Senior system engineer jobs in United Kingdom

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of contact for both internal and external stakeholders, and ensuring seamless collaboration across various teams. This role requires strong communication, interpersonal, and organisational skills alongside technical expertise. What you'll do • Strong stakeholder management skills, including ability to communicate complex concepts to non-technical and technical audiences., • Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing, • Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation., • Mediate potential conflicts and foster solutions-oriented discussions with stakeholders., • Establish and maintain efficient and scalable performance testing automation framework., • Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution., • Conduct discovery process to specify scope, extent and type of Performance testing required., • Able to define and troubleshoot Test environments to identify issues across System integration or component NFT.What you'll bring, • Experience in performance testing., • Experience working with multiple internal or external teams for issue resolving/requirements analysis/results analysis., • Develop and maintain Automated Performance test scrips using tools/framework like Gatling/LoadRunner/JMeter., • Experience in testing large-scale micro services-based web applications preferably media based., • Automating tasks using scripting languages like Scala/Python., • Coding in languages like Java/Scala/Groovy., • Working with databases like MongoDB/MySQL., • Good understanding of Build tools like Gradle, Docker etc., • Working knowledge of using Monitoring tools like Prometheus, Grafana, Elasticsearch Team overview Test Management Our Test Management team works closely with our design, delivery and business teams to create an unforgettable experience for our customers. From streaming products like NOW, to providing smart entertainment products like Sky Glass and Sky Go, and creating unforgettable Connected Living experiences, we're the problem solvers who find smarter and simpler ways to connect customers to more of what they love. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband, • A wide range of Sky VIP rewards and experiences Inclusion & how you'll work We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate . Please flag any adjustments you need to your recruiter as early as you can. We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process. Your office space : Osterley: Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There's also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. The Senior Machine Learning Engineer will play a key role in shaping the future of voice at Sky - building the intelligence that makes talking to your TV feel natural, responsive, and effortless. You'll design, develop, and maintain applied machine learning solutions that power Sky's far-field voice experiences across Sky Glass and other partner devices. What you'll do • Design, develop, train and optimise scalable ML models for far-field voice detection, verification, and enhancement across Sky devices and cloud platforms., • Contribute to innovation discussions and research in applied speech, audio signal processing, ASR, NLP and machine learning., • Build and construct cloud-based ML pipelines and APIs that process real-time audio streams at scale., • Work closely with data scientists, audio engineers, product managers, and external partners to deliver robust and accurate voice experiences., • Develop and document technical specifications, ensuring solutions meet latency, performance, and reliability requirements., • Monitor system metrics and production model performance to proactively identify opportunities for improvement., • Ensure best practices for ML operations (MLOps), including continuous integration, model deployment, and automated testing., • Provide technical guidance, code reviews, and mentorship to junior members of the team. What you'll bring, • Demonstrated ability across the full ML lifecycle: model development, deployment, monitoring, and maintenance, with solid theoretical knowledge from classic approaches to state-of-the-art techniques. Our team builds and powers the voice experience that brings Sky's entertainment ecosystem to life. We design and deliver the machine learning models and cloud systems that make speaking to Sky Glass and other partner 's FFV devices feel natural, seamless and reliable. At Sky , we're creating the technology that enables millions of customers to interact effortlessly with their TV - simply by using their voice . Working as part of the Far Field Voice team and the wider Voice team at Comcast, you'll focus on continuously improving the voice experience on EntOS across all territories and syndication partners. This includes researching and delivering key and novel features - from accurate voice detection and verification, to personalised and context-aware interaction models. You'll collaborate closely with data scientists, engineers, product managers, and partners to ensure we deliver a truly frictionless, high-quality voice experience. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband Your office space Osterley Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There are also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed, and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all right here at Sky. As a Senior Performance Engineer, you will be working as part of Global Commerce Central test team. You will be responsible for coordinating performance testing activities, acting as a single point of contact for both internal and external stakeholders, and ensuring seamless collaboration across various teams. This role requires strong communication, interpersonal, and organisational skills alongside technical expertise. What you'll do • Strong stakeholder management skills, including ability to communicate complex concepts to non-technical and technical audiences., • Taking ownership of NFR, requirement analysis and finalisation and driving non-functional initiatives like Chaos testing, • Detailed results analysis including application monitoring, identify Performance bottlenecks and recommend/implement improvements or performance optimisation., • Mediate potential conflicts and foster solutions-oriented discussions with stakeholders., • Establish and maintain efficient and scalable performance testing automation framework., • Design, develop and maintain Performance Test scripts. Test execution & co-ordination across multiple external and internal teams for issue resolution., • Conduct discovery process to specify scope, extent and type of Performance testing required., • Able to define and troubleshoot Test environments to identify issues across System integration or component NFT.What you'll bring, • Experience in performance testing., • Experience working with multiple internal or external teams for issue resolving/requirements analysis/results analysis., • Develop and maintain Automated Performance test scrips using tools/framework like Gatling/LoadRunner/JMeter., • Experience in testing large-scale micro services-based web applications preferably media based., • Automating tasks using scripting languages like Scala/Python., • Coding in languages like Java/Scala/Groovy., • Working with databases like MongoDB/MySQL., • Good understanding of Build tools like Gradle, Docker etc., • Working knowledge of using Monitoring tools like Prometheus, Grafana, Elasticsearch Team overview Test Management Our Test Management team works closely with our design, delivery and business teams to create an unforgettable experience for our customers. From streaming products like NOW, to providing smart entertainment products like Sky Glass and Sky Go, and creating unforgettable Connected Living experiences, we're the problem solvers who find smarter and simpler ways to connect customers to more of what they love. The rewards There's one thing people can't stop talking about when it comes to #LifeAtSky: the perks. Here's a taster: • Sky Q, for the TV you love all in one place, • The magic of Sky Glass at an exclusive rate, • A generous pension package, • Private healthcare, • Discounted mobile and broadband, • A wide range of Sky VIP rewards and experiences Inclusion & how you'll work We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate . Please flag any adjustments you need to your recruiter as early as you can. We've embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You'll find out more about what hybrid working looks like for your role later on in the recruitment process. Your office space : Osterley: Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There's also plenty of bike shelters and showers. On campus, you'll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed and even get pampered at our beauty salon. We'd love to hear from you Inventive, forward-thinking minds come together to work in Tech, Product and Data at Sky. It's a place where you can explore what if, how far, and what next. But better doesn't stop at what we do, it's how we do it, too. We embrace each other's differences. We support our community and contribute to a sustainable future for our business and the planet. If you believe in better, we'll back you all the way. Just so you know: if your application is successful, we'll ask you to complete a criminal record check. And depending on the role you have applied for and the nature of any convictions you may have, we might have to withdraw the offer.

Role: Audio Visual Technician Contract Type: Full-time, Permanent Location: London, UK Salary: £32,000 - £36,000 depending on experience, plus company benefits Interview Process: 2 stage (Virtual and Face-to-face) Kinly is a leading integrator of audio-visual and unified communications solutions, and the largest in Europe, serving as a globally trusted technology advisor to leading organisations. For more than 25 years, we have been designing, developing, integrating and supporting complex audiovisual solutions and businesses rely on us to deliver consistently secure and flexible meeting experiences. We now have an exciting opportunity for a proven Audio Visual Technician to join one of our most prestigious client sites, to join our existing and growing onsite team. This team provide dedicated AV & Event support services across some iconic venues and this exciting and diverse role will involve supporting senior figures from within government and external organisations, therefore attitude and attention to detail are crucial. You will need to be able to carry yourself well and provide a high-class service both personally and technically. The hours of support reflect the external event delivery requirements: • 8 hours between 07:30-22:00 Monday to Friday, • 8 hours between 07:30-16:30 During Recess, • Working as part of a team you will perform a 40hr Week within a rota system. The role requires the candidate to undergo security screening (BPSS & Parliamentary Clearance) Key responsibilities: • Ensure operational availability of all dedicated Event Spaces and all AV or Hybrid enabled meeting rooms, • Perform AV equipment setup/installation and support as required, • Provide technical support for events, including duration support where requested, • Set up and operate client supplied infrastructure, equipment and applications in dedicated live event spaces and meeting rooms to deliver live events where requested, • Attend post event debriefs where requested, • Provide quick responses to emergency/ad-hoc requests, adhering to SLA's where relevant, • Conduct regular proactive room and equipment checks, • Assist in ensuring "as build" documentation is maintained effectively, • Actively provide input into the team's standard operating procedures (SOP's), • Working as a team assist in arrangement of loan equipment to meet client specifications, • Demonstrate Self Service AV and VC Capabilities to end users wherever possibleSkills and Experience:, • Knowledge of AV solutions from a technical perspective, • Proven experience with digital mixing desks, vision mixers and camera controls, • Knowledge of collaboration clients such as Cisco, Teams, Zoom, Google, • Excellent people skills; including strong and professional verbal and written communication skills, • Adaptability to work in unfamiliar surroundings, • Passionate customer service attitude and proven customer service skills, • Extensive experience in working in a pressured operational environment, • Willing to undertake security screening (BPSS & SC) If you are selected for interview, and need any reasonable adjustments made for your interview, please let the Talent Acquisition team know, at the point of scheduling. If you do require details of the vacancy or the application process in an alternative format, please either email outlining your requirements; or you can view the vacancy via the Kinly page on Vercida which allows you to customise the content so that you can review in a way that works best for you. About Kinly Kinly is the globally trusted AV and UCC technology advisor to world-class organisations. Our solutions drive maximum collaboration, engagement and productivity to enable a world where people can work together, from everywhere. Our people are unified by a passion for helping teams achieve their workplace communication and collaboration goals, irrespective of complexity, location or project size. We design, engineer and support audio visual and collaboration technology solutions that add real business value and deliver exceptional user experiences, every time. Why Kinly? We are experienced: When you join our family you'll be part of a multi-award-winning team made up of the industry's most innovative professionals. We are proven: The world's leading global businesses rely on us to deliver secure and reliable meeting experiences. Come with us on our journey. We are independent: We partner with the world's best AV vendors to deliver our customers unrivalled access to cutting edge technology tailored to their exact needs. We are global: You'll be working with alongside the world's leading brands and supporting them on high-profile, international projects. Equal Opportunities: Kinly is committed to providing equal opportunities in employment, all qualified applicants will receive consideration for employment without regard to sex, age, gender identity, pregnancy, colour, race, national origin, sexual orientation, disability, religion or any other 'protected characteristics. We welcome your application.

The company I am representing is a highly respected systems integrator, serving water authorities all around the UK. They design build, install, commission and service SCADA/HMI/PLC control systems – Currently seeking a Senior Control Systems Engineer to join their team. They are always on the lookout for talented control systems engineers at all levels, so if you are interested pursue another avenue with this great company then we should also be talking, as I can make the introductions for you. As a Senior Control Systems Engineer, you will play a key part in the full life cycle of control system integration projects, from design & development through programming, testing and commissioning. This is a hands on senior engineering role where you will work closely with clients to develop solutions and ensure high quality project delivery. Key aspects of the role : • Lead and mentor engineers, including graduates and apprentices, to help the team perform at its best level., • Design and implement advanced control systems using PLC, SCADA and HMI Technologies, • Bring a problem solving mindset to complex engineering challenges and drive technical excellence, • Lead the design, development, and commissioning of control systems, • Attend client meetings, conduct site surveys, provide technical leadership, • Write code, programme and configure PLC and HMI/SCADA software (Siemens, Rockwell, Mitsubishi, Wonderwear / AVEVA, ClearScada, etc), • Oversea site commissioning (sometimes short periods away from home) What’s required from you : • 5 + years experience in control systems engineering, ideally in a senior lead role, • Degree in software or electrical engineering, or equivalent qualifications, • Mentoring or team leadership experience is a big plus, • Proven ability to design and modify PLC and SCADA/HMI software, • Experience with Allen Bradley, Siemens, Mitsubishi, or Wonderware systems (other platforms considered), • Strong leadership, documentation and communication skills, • Full UK driving licence with eligibility to work in the UK without sponsorship There are many benefits on offer with this amazing career opportunity, I look forwards to hearing from you.

My client is looking for a motivated Senior Optical System Engineer for their London office to join the Optical Network Integration team. Your Role: • Develop and run high-speed optical transceiver test plans, • Electrical and optical characterisation of transceivers, • Optimise receiver performance and analyse link margins., • Automate test, calibration, and characterisation processes. Experience Needed: • MS or PhD in Physics or relevant field, • Hands on optical communication systems development, testing and integration, • Automated test systems and scripting, • Strong knowledge of equalisation techniques for high-speed link performance, • Good to have worked with 50Gbps or above Benefits: • Hybrid work, • Employee stock option scheme, • Private medical insurance, • Competitve salary range with great earning potential If you are looking for a challenging role within the AI space, contact Ella Flynn at IC Resources.

Founding Software Engineer 📍 Hybrid — London/Athens 🕒 Full-time | Mid/Senior Level 🚀 Founding Team About Us Inferity is transforming how teams search, analyze, and understand frontline video. From hours of unstructured body cam or incident footage to complex multi-source workflows, our AI-driven platform turns video into structured, decision-ready insights. We’re building AI agents that reason across video, audio, language, and metadata, powering real-world workflows where accuracy, speed, context, and clarity are essential. The Role We’re looking for a Founding Software Engineer to lead backend and infrastructure development for our category-defining video understanding product. From data ingestion pipelines to scalable APIs, you’ll blend backend engineering and DevOps to turn cutting-edge AI into a production-ready platform. As part of the founding team, you’ll design and implement system architecture, backend services, and cloud infrastructure, working closely with AI scientists and full stack engineers to deliver a scalable, reliable product. Why Join Us 🎯 Work on impactful AI that improves safety, trust, service quality and decision-making 🚀 Founding team equity 🛠 Deep technical challenges, exposure to the latest AI developments 💬 End-to-end ownership + product influence 🌍 Flexible location (London/Athens hubs) Key Responsibilities • Architect and implement the backend platform for data processing, search, and advanced reasoning, • Design scalable systems and APIs for data-intensive, low-latency workflows, • Optimize database interactions for high-speed visual search and reasoning, • Manage cloud infrastructure (compute, networking, storage, security, observability), • Set up CI/CD pipelines for fast, reliable deployments, • Deploy and integrate AI/ML models into production pipelines, • Take a product-first approach: asking “why,” not just “how” What You’ll Need Essential Skills • Startup Mindset: Bias for action, ownership, comfort with ambiguity, • Backend Development: Python (FastAPI, Flask) + microservices, • Distributed Systems: Scaling high-volume data systems, • Cloud: AWS/GCP/Azure (ECS/EKS, S3, Lambda, IAM or similar), • Databases: PostgreSQL + strong data modeling, • Containers: Docker; orchestration tools, • Infra as Code: Terraform, CloudFormation, • Monitoring: Prometheus, Grafana, ELK, • Security & Compliance: Data protection and access control Nice-to-Haves • AI/ML integration (PyTorch, HF etc.), • MLOps (MLflow, Kubeflow, SageMaker), • Vector search (Pinecone, pgvector, Weaviate, Qdrant etc.), • Video ingestion pipelines & codecs 💡Don’t worry if you haven’t used these exact tools. If you’ve built and scaled similar systems, we’d love to hear from you. Next Steps Apply here or email us at with your CV, GitHub, or just a note on why this role excites you. 🚀

Senior Full Stack Engineer Location: London (Onsite – 5 days per week) Salary & Benefits: £80,000–£120,000 + Equity + Benefits A high-growth AI technology company is seeking a Senior Full Stack Engineer to join their world-class engineering team. This is a rare opportunity to work at the intersection of artificial intelligence, user experience, and infrastructure, helping to build a next-generation video intelligence platform used across industries, including logistics, education, healthcare, and hospitality. You’ll be joining a venture-backed, product-led startup with a strong technical foundation and a clear mission to transform how businesses leverage video data. The team includes engineers and researchers from leading global tech companies and academic institutions, and the company is already generating revenue with multiple years of runway. The Role • Design and implement scalable backend APIs and services using modern technologies., • Build intuitive, high-performance front-end interfaces in collaboration with product and design teams., • Ensure system reliability, scalability, and observability across the full stack., • Work closely with edge-computing and infrastructure teams to deliver robust, real-time features., • Take ownership of feature delivery, from development and testing to debugging and optimisation., • Contribute to architectural decisions and help shape the technical direction of the platform. Skills & Experience • 3+ years of professional experience building full-stack applications at scale., • Strong backend development skills in Python or Go, with experience designing APIs and working with databases such as PostgreSQL and Redis., • Proven experience with React and TypeScript, including component libraries and data-fetching tools like react-query., • Familiarity with infrastructure-as-code tools and cloud platforms (preferably AWS)., • Experience with CI/CD pipelines and modern DevOps practices., • Strong communication skills and a collaborative mindset., • High intrinsic motivation and a proactive approach to problem-solving. If these sound interesting, please apply or drop me an email at

Position Title: Principal Electrical Design Engineer – Power Transmission Location: Flexible across the UK (remote/hybrid options available) - Key Locations are London & South East/South West/Scotland Employment Type: Full-Time, Permanent Salary: Competitive package with benefits Industry: Energy & Utilities – Transmission Infrastructure About the Role: We’re looking for seasoned Electrical Design Engineers to take on a senior-level role within our expanding Transmission & Distribution (T&D) team. This opportunity is tailored for professionals with extensive experience in designing electrical infrastructure for UK transmission networks, particularly those familiar with National Grid frameworks. Applicants should bring in-depth technical knowledge in one or more of the following specialisms: • High Voltage (HV/EHV) Cable Systems, • Overhead Line Design, • Protection & Control Engineering, • Substation Engineering (AIS/GIS) About the Client: My client is a leading global consultancy and engineering firm delivering innovative solutions across the energy, infrastructure, and environmental sectors. With a strong footprint in the UK power industry, they are actively involved in delivering major substation and high-voltage infrastructure projects that support the transition to a more sustainable and resilient energy network. Their teams are committed to technical excellence, safety, and collaborative project delivery. Main Duties • Lead or supervise complex electrical design projects, ensuring alignment with regulatory and client-specific standards., • Develop and review technical outputs including single line diagrams, cable routing plans, substation layouts, protection schemes, and equipment specifications., • Serve as a senior technical authority, providing guidance to engineering teams and participating in peer reviews., • Engage with key stakeholders, including UK transmission operators and distribution network owners, to ensure smooth coordination throughout project stages., • Manage project deliverables across all phases — from feasibility assessments through to detailed design and site support., • Maintain compliance with applicable health, safety, quality, and environmental frameworks., • Take part in technical reviews, design risk assessments, and structured safety analysis sessions (e.g., HAZOP, HAZID)., • Contribute to bid development and technical input during tender processes. Candidate Profile Mandatory Criteria: • Must be located in the UK., • Demonstrable track record delivering design work on National Grid-related schemes., • Minimum 10 years’ professional experience in electrical design for transmission and distribution networks., • Chartered (or actively pursuing chartered status) through a recognised institution such as the IET., • Strong grasp of UK power engineering standards including those issued by the ENA and National Grid (e.g., TS 3.04, TS 2.10)., • Proficient in relevant design platforms such as AutoCAD, Bentley software, ETAP, or DigSILENT. Desirable Attributes: • Experience across all project stages, including installation and commissioning., • Familiarity with grid compliance procedures and protection system coordination., • Prior involvement in design audits, assurance, or senior review functions., • Exposure to project delivery alongside EPC contractors or as part of multidisciplinary teams. What’s in It for You • Attractive remuneration package with annual performance-based reviews, • Flexible working arrangements tailored to your lifestyle, • Generous annual leave allowance, • Pension contributions, private medical cover, and life insurance, • Access to major UK energy infrastructure projects, • Supportive environment for continued professional growth How to Apply: If this role is of interest to you. Please click apply and provide your most up to date CV for consideration. Disclaimer: By submitting your resume to Westwood Recruitment Solutions Ltd, you acknowledge and agree to the following: Westwood Recruitment Solutions Ltd acts as an employment agency and will work to find suitable employment opportunities for you. We do not guarantee employment. You agree that all information submitted to Westwood Recruitment Solutions Ltd is accurate and truthful. You agree to hold Westwood Recruitment Solutions Ltd harmless for any liabilities arising from employment, and to treat all candidate data as confidential.

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. Are you ready to elevate your career? At Ripple Labs Inc., we offer an outstanding opportunity for a Senior Software Engineer to join our top-tier team in London. As a part of our dynamic and ambitious group, you will play a key role in crafting and developing groundbreaking software solutions that drive innovation and success! Responsibilities As a Senior Software Engineer, you will: • Design, develop, and implement software systems that meet meticulous quality standards., • Work with diverse teams to define technical needs and deliver impeccable solutions., • Lead efforts in resolving and debugging to ensure flawless software delivery., • Mentor and guide junior engineers, encouraging a culture of inclusion and collaboration., • Conduct code reviews to maintain our proven high standards of software quality., • Engage in agile development processes, strictly following standard methodologies., • A Bachelor's or equivalent experience in Computer Science, Engineering, or a related field., • Proven experience in software development, with at least 5 years in a similar role., • Strong proficiency in programming languages such as Typescript, JavaScript and Java, • Experience with Spring and React., • Outstanding problem-solving skills and the ability to thrive in a fast-paced, ambitious environment., • Proficient in software design patterns and standard methodologies., • Excellent communication skills and a collaborative approach. Do Your Best Work • The opportunity to build in a fast-paced start-up environment with experienced industry leaders, • A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning., • Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team., • In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in., • Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team, • Competitive salary, bonuses, and equity, • Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support, • Employee giving match, • R&R days so you can rest and recharge, • Generous wellness reimbursement and weekly onsite & virtual programming, • Generous vacation policy - work with your manager to take time off when you need it, • Industry-leading parental leave policies. Family planning benefits.

About Lodha UK Lodha is a leader in the ultra-luxury market. The company has developed some of the finest residential buildings in London and uniquely manages all of its own developments through its hospitality division. As well as No 1 Grosvenor Square, we have developed and manage Lincoln Square in Covent Garden and Holland Park Gate in Kensington. The goal of our hospitality division is to be recognised as the best landlord in London, by continuously enhancing the experience of our residents and the value of their properties. The Role We are searching for a Senior Engineer whose primary focus is to ensure the seamless enjoyment of resident’s apartments. You will act as the first port of call for any technical issues that may occur within the apartment, conducting investigations, carrying out repairs where possible and co-ordinating with external specialists where necessary. You will operate MEP systems and the Building Management System (BMS), liaise directly with residents and their representatives, and support maintenance operations across our developments. You’ll be part of a collaborative team dedicated to excellence and outstanding resident service. What you’ll do • Respond to resident queries and issues efficiently, carrying out necessary in-apartment investigate and repair work with professionalism and care, • Carry out maintenance and repairs across residences, plant, and common areas, ensuring the highest standards, • Monitor and manage the Building Management System (BMS) to maximise safety, efficiency, and sustainability, • Ensure compliance with Health & Safety regulations and support emergency response procedures, • Coordinate subcontractors and assist with reporting, documentation, and stock control, • Proactively identify opportunities for improved efficiency and long-term value, • Provide professional, courteous service to residents, representing the Lodha standards at all times What we’re looking for • Recognised engineering qualification (e.g. formal apprenticeship, NVQs, City & Guilds or equivalent) and minimum 5 years’ experience in engineering/maintenance, • Extensive working knowledge of MEP systems and safe working practices, • Proficiency with specialist systems such as BMS, HIU, CIU, MVHR, and AHU, • Previous experience working with Crestron and/or Lutron, • Up-to-date knowledge of fire and Health & Safety systems Why Join Us? This is a unique opportunity to work within London’s prestigious developments, as part of a passionate, professional team that sets the benchmark for luxury living.

About the Company Every hour, millions of sports fans lose hard-earned cash on suboptimal bets — and this company is changing that. Ranked among the top three social media identities in the U.S. gambling space, they are arming fans with market-beating insights, tips, and data, all powered by cutting-edge, in-house algorithms. Their flagship digital B2C subscription product launched in October 2024 and has since been experiencing very rapid growth — currently doubling revenues every 1–2 months while maintaining healthy 40%+ profit margins. It combines top-rated human expertise with market-leading AI algorithms, delivering world-class analytics and insights straight to the fingertips of thousands of subscription customers. Leveraging industry-leading social channels with millions of engaged followers, they’re scaling the consumer product through their massive social reach. With a lean but highly capable team of engineers, designers, and product leaders from top-tier companies such as Meta and Alibaba, the company is now entering an exciting scale-up phase. This is a unique opportunity to join and directly shape a pioneering consumer product. Role Overview We are looking for an outstanding Senior Software Engineer to join our fast-moving journey. You’ll be a key contributor across the stack in our Rust-based environment, building intuitive experiences and scalable systems while influencing product direction. We value recent impact above all else: what you’ve shipped, how you’ve solved problems, and the ownership you’ve shown in your most recent role. You’ll partner with product and data teams to deliver features that delight users, drive retention, and boost business value. This role also offers the chance to mentor others, shape engineering culture, and play a critical role in our growth story. Key Responsibilities • Drive the development and scaling of GameScript to deliver best-in-class insights to sports fans, • Design, build, and maintain production systems (frontend and backend) using Rust, • Partner with product and design teams to turn ideas into fully functional features, • Contribute to strategic decisions on product direction (e.g., integrations, AI-powered algorithms, tooling for fans), • Rapidly test and iterate based on customer feedback and analytics, • Improve system scalability, reliability, and performance, • Lead code reviews, mentor engineers, and support hiring as we grow, • Take ownership from concept to delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications • 5+ years in software engineering (flexible if skills and impact are strong), • Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift), • Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap), • Proven track record of recent impact: delivering features, improving systems, solving real-world challenges, • Comfort adapting to new languages and stacks quickly, • Experience in smaller/startup environments (ownership mindset, thrives in ambiguity), • Strong communication and collaboration skills; disciplined in reviews and documentation, • Degree in Computer Science, Engineering, or related field (top-tier university preferred) Desirable Experience • Hands-on experience with Rust (or willingness to learn — our current team picked it up on the job), • Cloud infrastructure: Kubernetes, GCP, Cloudflare, Terraform, • Databases: SQL-like, especially SurrealDB, • Leadership qualities: mentoring, project ownership, stakeholder management, • Exposure to sports betting, gambling, or adjacent domains (not required) What Success Looks Like (6–12 Months) • You’ve shipped high-impact features end-to-end, driving real user engagement, • You’ve taken ownership of key systems and improved performance/reliability, • You’re mentoring others and helping to build a strong engineering-first culture, • You’ve influenced architectural decisions and contributed to our tech evolution, • You’re fully fluent in our Rust-based stack and pushing its boundaries What We Offer • Join early and directly shape a consumer product at scale, • Work across the stack, from backend systems to frontend UX to internal tooling, • Operate at the intersection of algorithmic insights, AI, and social media, • Collaborate closely with a talented, supportive, and ambitious team, • Competitive salary with a performance-based bonus designed to reward your impact, • Private health insurance, fitness incentives, and free daily lunch (often dinner as well), • A fast-paced, intellectually challenging environment where ideas matter and careers grow, • The rare opportunity to be part of the founding team of a first-of-its-kind consumer product in sports betting

Civil, Structural, Architectural QA/QA Engineer – London Data Centre My client is a first-generation construction company with operations across Ireland, UK and Northern Europe. We specialize in Critical Environments such as Data Centres, Life Sciences, Aviation, High Value Manufacturing and Critical Logistics. They are currently seeking experienced and talented QA/QC Engineers to join our high performing project team in North London. If you would like to join a company who wins high profile projects with blue chip clients and if you enjoy working in a stimulating environment, then this is the company for you. REPORTING TO: Project Manager Purpose of Role Work with the Project Team and Client representatives to ensure the quality and workmanship of every activity meets and exceeds expectations through a thorough knowledge of all phases of construction relating to the project. Role Responsibilities • Develop and be responsible for all QA/QC documents for the entire project including certificates, calibration, test results, inspection requests, non-compliance reports and site instruction/ observations, permanent materials delivered and other QA/QC documents., • Develop and determine all standards to perform inspection and tests on all procedures and oversee all testing methods ensuring high standards of quality are maintained for all processes., • Review the quality of all materials at the site and ensure compliance with all project specifications and quality collaborate with the Procurement Department and Project Team for all material procurement and maintain a high quality of materials., • Supervise the effective implementation of all test and inspection schedules and ensure adherence to all procedures and coordinate with various teams to perform quality audits on processes., • Assist with training to ensure that all employees have sufficient knowledge of all quality standards and ensure compliance to all quality manuals and procedures and collaborate with contractors and suppliers to maintain the quality of all systems., • Ensure sufficient quality processes are in place to manage the lifting of all materials and equipment and also the storage of all hazardous materials. Perform quality audits as per the required schedule., • Regularly analyse all products and non-conformance processes, including the evaluation of all documents to ensure that they meet quality requirement. Prepare monthly reports to evaluate performance., • Develop a robust system to Review and monitor all project activities, completing analysis to ensure all processes and work completed meet quality requirements., • Work closely with the Project Team to manage all work methods. Maintaining knowledge on all quality assurance standards and monitor continuous application for all quality assurance processes, recommending corrective actions as required., • Work closely with H&S Team to ensure that method statements are in place for all activities including risk assessment and job safety environmental analysis., • Develop an Inspection Test Plan and Checklist based on specifications of the project., • Liaise with the Project Team for submission of material submittals to the Client Team., • Coordinate with the Client Team in relation to all audits/site inspections. The Candidate • Third level qualification in Engineering or related discipline., • Minimum of 5 years’ experience in construction/engineering, • Excellent ability to work in a cross-functional team environment., • Extremely detail oriented with well-developed trouble shooting skills., • Excellent organisation and time management skills, • Excellent IT Skills, • Knowledge of all relevant building and quality regulations, • Excellent communication skills, both written and verbal. Career Path Our client implement a highly structured professional development programme (PDP) and mentoring programme which has been the foundation to our success. As a QA/QC Engineer, the operational career path for highly performing individuals is to progress to Senior QA/QC Engineer, to QA/QC Manager to Head of Quality. However, this is just one of many possible directions – our client supports diverse career trajectories, allowing individuals to explore opportunities across departments based on their interests and strengths.

About Buildots Buildots is transforming construction management with AI and computer vision. Our AI-powered SaaS platform automates on-site progress tracking, giving construction teams the tools to plan smarter, improve efficiency, and cut costly delays by up to 50%. The $13 trillion construction industry has seen little disruption in the past 150 years. Until now. Backed by leading VCs and industry pioneers, Buildots enables a new, performance-driven approach. Deployed on hundreds of projects across North America, Europe and the Middle East, Buildots is already reshaping the future of the world's largest industry, and we're on track for rapid expansion in 2025. Buildots’ customers include top global contractors, consultants and owners – Intel, Sir Robert McAlpine, Ledcor and CBRE, to name a few. About The Role Buildots brings groundbreaking capabilities to managers on construction sites, far beyond everything they have seen before. We are looking for a Customer Success Manager to take part in the implementation of these capabilities on construction projects to ensure successful delivery for our customers. This position is about making sure the project and the users within it make the most out of the system, and building upon that success to generate business with the contractor’s future projects. As a CSM within Buildots you are responsible for the set-up and onboarding of all new projects within your portfolio, and then the successful product adoption across multiple users within the projects. We want to ensure the data Buildots offers becomes embedded into the day to day practices of our projects, which leads to adoption across our key accounts. Within the organization you will be the voice of the customer, working to provide relevant and critical information to our product managers, you’ll provide user stories and wins to the account teams helping to support the successful expansion within our key accounts. Alongside this you’ll work closely with our technical team to ensure project data is correct, as projects evolve so does their digital twin within Buildots, alongside your dedicated VDC you’ll need to ensure we’re ahead of the game. What You'll Do: • Provide strategic advisory services to maximize customers' adoption, implementation, and ROI from Buildots across multiple construction projects., • Lead the relationship with our key champions ensure they feel supported by Buildots, whilst also promoting the customer voice inside the business., • Efficiently handle onboarding of new users, driving seamless adoption of the technology, including training of on-site users on how to use the system and make the most out of it., • Gain insights from data and the use of the system on projects and feedback to the product team to influence the product’s roadmap and features., • Bring determinable value to the customers that can be recorded and reported internally as customer stories, • Work within the customer success team to shape and refine delivery for clients by using expert knowledge. Creating and updating playbooks within the team, ensuring an ongoing legacy of Customer Success Delivery. Requirements: • 5-7 years' experience as a construction professional, preferably site based (i.e. Project Manager, Site Manager, Project Engineer, Project controller), • Comfortable with change management, ability to learn from successes and failures to help find better strategies and solutions, ability to effectively escalate to management when needed, contribute to building the company's success secret sauce, • Proven stakeholder management and networking skills, with examples of working with senior positions alongside junior team members within your customer base, • Ability to thrive in a fast-paced startup working environment handling multiple priorities, whilst maintaining high attention to detail with best-in-class service delivery results., • You’re a pro-active and independent achiever, self-learner, able to handle a task from idea to production. You’re responsible for full ownership of your customers and finding creative solutions which land with your users and market., • Excellent written and verbal communication skills, including the ability to explain complex concepts in simple terms to clients, adapting to different cultural communication styles, and often in a group setting, • Willingness to travel up to 40%, • Candidates must be able to work in London 3 days a week If you don’t meet every single requirement, we still encourage you to apply. Your unique experiences, skills, and passion may be exactly what we’re looking for. **By submitting your application, you agree that Buildots will process your personal data in accordance with Buildots' Privacy Policy.

Years of Experience: 3- 5+ years Skills: Go, Java, Git, REST Web Services, Jenkins, NoSQL, Postgres/ql Based in London Victoria or Burgess Hill Enthusiastic, diligent Senior Golang Software Engineer to work on the global Loyalty and Benefits platform in American Express. The candidate should have excellent soft skills, strong technical ability with an extensive passion to learn. A modern microservice-based Loyalty and Benefits platform, designed to be able to handle all aspects of the Loyalty and Benefits customer experience, globally. Built using modern tools such as Golang, Kafka and Docker, there is ample opportunity to drive innovation and grow knowledge and skills as an Engineer. As a Software Engineer on an Scrum team, you will be building and enhancing features in the Account domain. You will also coordinate and work with other Engineers across the platform to share knowledge and principals. Required: · Demonstrable experience in at least one back-end type safe programming language (Golang Preferred) · Comfortable/experienced with back-end micro-service architecture and communication, specifically REST and asynchronous messaging services (e.g., Kafka, RabbitMQ etc.) · Comfortable/experience within a Scrum framework working with as part of a team to deliver business functions and customer journeys that are tested and automated throughout the CICD pipeline to production Desired: · Bachelors Degree in computer science, computer engineering, or other technical discipline, or equivalent work experience. · Experience in professional software development. · Solid understanding of test-driven development, including unit, component, functional, system integration and regression tests. · Knowledge of software engineering methodology (Agile, incl Scrum, Kanban, SAFe, Test-Driven Development (TDD), Behavior Driven Development (BDD) and Waterfall) Knowledge of any or all of the following technologies is desired: Kafka, Postgres, Golang, Git, gRPC, Docker, GraphQL · Experienced in continuous integration (CI), continuous deployment (CD) and continuous testing (CT), including tools such as Jenkins, Rally and/or JIRA and version control such as GIT or SVN.

📍 Location: London, office work 🕓 Job Type: Full-Time 💼 Experience Level: Senior / Staff (5+ years) On behalf of our client, we’re looking for a Teleoperation Control Engineer to help shape the future of human–robot interaction. This is a unique opportunity to join a cutting-edge robotics team developing intuitive control systems that bridge the gap between human intelligence and advanced humanoid robots. You’ll design and implement real-time teleoperation pipelines that allow human operators to guide, teach, and refine robot behaviours, fuelling continuous learning and model improvement. This role combines hands-on robotics work, system integration, and creative problem-solving at the intersection of hardware, software, and AI. 💡 What You’ll Be Doing • Designing and developing low-latency teleoperation interfaces for humanoid robots in manipulation and mobility scenarios, • Building a scalable teleop architecture that works across multiple robotic platforms, • Integrating input devices such as VR controllers, gloves, motion capture systems, and haptic devices, • Translating high-frequency operator inputs into smooth, natural robot movements, • Creating tools and workflows to enhance operator training and demonstration efficiency, both in simulation and on real hardware, • Blending human input with autonomy to achieve semi-autonomous operation and shared control, • Developing visualisation tools for intuitive remote control and monitoring, • Collaborating with hardware and perception teams to align teleop features with system design, • Conducting performance testing and reliability validation on physical robot systems 🧠 What We’re Looking For • MSc or PhD in Robotics, Computer Engineering, HCI, or related field, • 5+ years’ experience in robotics with a strong focus on teleoperation and human–robot interfaces, • Solid programming skills in C++ and Python, with experience in ROS/ROS2 and real-time control systems, • Hands-on experience working with robotic hardware (humanoid, dexterous, or mobile platforms), • Strong understanding of kinematics, motion control, and system integration, • Excellent debugging, performance tuning, and software design skills 🌟 Bonus Points For • Experience with data collection for imitation learning or behaviour cloning, • Knowledge of shared autonomy, intent inference, or assistive control systems, • Familiarity with simulation tools like Isaac Gym, Mujoco, or Unity, • Passion for enhancing the human–robot experience through thoughtful design and innovation If you’re excited by the idea of enabling robots to learn directly from human intuition and want to work on groundbreaking projects in humanoid robotics, we’d love to hear from you. 📩 Apply now or reach out directly to discuss this opportunity in confidence.

Senior Software Engineer – Python / Hardware Systems Do you want to build real-world machines that handle complex tasks with speed and precision. This isn’t app or web dev, it’s embedded Python, hardware integration, and system-level thinking. We’re looking for someone who writes robust code, understands how systems behave in the wild, and knows how to push hardware and software to work together seamlessly. What you’ll be doing: • Writing Python to interface with motors, sensors, relays, power systems, and I/O, • Designing and maintaining services that run on embedded Linux (often headless), • Working with serial protocols (UART, I2C, SPI), MQTT, CANbus, Modbus etc., • Handling real-time constraints, task scheduling, and resource-limited environments, • Debugging across layers: device logs, serial traces, signal timing, and hardware behaviour, • Building automated test rigs and simulation tools to catch bugs early, • Optimising code for performance, memory, and reliability at the edge Tech you might use or encounter: • Python (asyncio, multiprocessing, struct, ctypes, pytest), • Linux (systemd, udev rules, shell scripting, device trees), • Microcontrollers and SBCs (Raspberry Pi, BeagleBone, STM32, ESP32), • Networking and messaging: ZeroMQ, MQTT, TCP/UDP sockets, • ROS, FreeRTOS, or similar frameworks for real-time or robotics, • Docker, CI pipelines, version control (Git), and hardware-in-the-loop testing, • Occasional interaction with backend systems (Nest.js, Postgres) for telemetry and config What we’re looking for: • Strong Python skills in embedded, automation, or device-heavy environments, • Confident with low-level comms, device integration, and hardware abstraction, • Knows how to debug flaky hardware, noisy signals, and time-sensitive code, • Understands performance trade-offs, concurrency, and memory management, • Bonus if you’ve worked on robotics, IoT, industrial control, or real-time systems, • Comfortable owning problems end to end, from code to field deployment Why join: Small team, real impact, and problems that require actual engineering.

Software Engineer C#, .NET Core, NUnit, Postgres, AWS, Azure, Kubernetes, Docker. City of London, United Kingdom Perm Role: £65,000 - £80,000 Harrington Starr has partnered with a Global Financial Technology company, and they are looking to hire a Mid - Senior C#, .Net Software Engineer, with experience working with highly scalable and performant systems. This is a great opportunity to join a very well-established, growing global team working to build a resilient and reliable system designing, planning, and implementing new features. Key responsibilities: • Hands on contribution to the design of major products and applications., • Designing, planning and executing new features., • Ensuring consistency across engineering teams, utilising appropriate the appropriate technologies within the applications. Benefits of the role: • Flexible hybrid working structure (3 days onsite), • Generous holiday leave., • Private medical insurance., • Excellent base salary up to £80,000 based on experience., • Funded additional training and development and certifications., • Excellent bonus structure. What skills, experience and qualifications required: • Strong commercial experience with C#, .NET Core., • Experience working with cloud technology (Azure/AWS)., • Strong commercial experience working with highly scalable and high-performance systems., • Excellent communication skills., • Full, unrestricted right to work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Mid - Senior Software Engineer, with strong C#, .Net experience, having a direct impact from the get-go! For any additional questions, please contact me via LinkedIn or through email - . If you feel this role is the right one for you, please apply below!

Senior BMS Engineer – London (Building Management Systems / Smart Buildings / Commissioning & Integration) We’re working with one of the UK’s most forward-thinking building technology companies to find a Senior BMS Engineer to join their growing London team. This is a fantastic opportunity for an experienced engineer who’s passionate about smart buildings, system integration, and energy-efficient control solutions. The Role You’ll be responsible for leading the commissioning, upgrades, and optimisation of Building Management Systems across a diverse range of commercial, education, and public sector sites. Working as part of a dynamic and collaborative team, you’ll take ownership of delivering high-quality BMS projects from design through to handover. Key Responsibilities • Lead the commissioning, testing, and optimisation of BMS and control systems, • Carry out system upgrades, fault-finding, and performance tuning, • Support the design, configuration, and graphics development for BMS projects, • Collaborate with project managers, consultants, and end clients to ensure smooth project delivery, • Mentor junior engineers and provide technical guidance across the team, • Ensure all works meet relevant compliance and documentation standards Requirements • 5+ years’ experience working with Building Management Systems (Trend, Tridium Niagara, Siemens, or similar), • Proven background in commissioning, integration, and project delivery, • Strong understanding of HVAC principles and building services, • Experience with networking, open protocols (BACnet, Modbus, MQTT), and modern integration tools, • Excellent communication and client-facing skills, • ECS/CSCS and relevant electrical or controls qualifications What’s on Offer • Competitive salary and benefits package, • Flexible working with a mix of site and remote work, • Ongoing training and certification in emerging smart building technologies, • The chance to work with a company driving innovation in energy efficiency, sustainability, and digital buildings If you’re a skilled BMS Engineer looking to take the next step into a senior role with more autonomy, project variety, and exposure to cutting-edge technology — we’d love to hear from you.

numi is proud to have partnered with a multiple award-winning, high-growth fintech company. We have made multiple hires to this company, it is a place for top-tier engineers who are also excellent colleagues. As they continue to grow, they're looking for an exceptional IC (Individual Contributor) to solve some of their most complex problems. This is an opportunity to be a top technical voice, influence the system, and mentor a talented team. As a Principal Engineer, you will be a hands-on problem solver and a technical leader, influencing the team through expertise and example rather than line management. What You'll Do • Solve Complicated Problems: Tackle some of the most difficult challenges in fintech, such as increasing the reliability of core data and solving problems at scale., • Provide Technical Direction: Lead through influence by setting the technical direction and providing guidance on system and data architecture., • Mentor the Team: Support and mentor senior engineers, helping them weigh up approaches and accelerate their learning., • Lead by Example: Run training sessions and facilitate discussions to elevate the entire engineering team. Who We're Looking For You are a seasoned engineer with 10-15 years of experience, a track record of building maintainable, scalable services and systems, and an upward trajectory in your career. You are a fantastic IC who thrives on solving tough problems. • Significant experience with Python., • A background in a cloud-focused organization with exposure to AWS, GCP, or Azure., • A desire to work collaboratively in a team and an ability to communicate effectively with both technical and business stakeholders. Nice to Have: • Experience with Vue, Nuxt, React, or Next., • Experience or a strong interest in Fintech. Why You'll Love Working Here • Exceptional Impact: Be the biggest single influence on the system and technology direction., • Unrivaled Learning: Gain exposure to the finance industry while working on a modern tech stack., • Incredible Colleagues: Join a team of skilled engineers and excellent colleagues., • Real Ownership: Receive a meaningful equity stake and a competitive salary of £120k-£140k plus EMI options.

Role: Senior Backend Engineer (Product) Location: Hybrid - London Compensation: Up to £130,000 + equity We’re supporting a next-generation AI company developing a groundbreaking platform that automatically creates and scales immersive 3D environments. The team is bringing world-class technology from research to reality — turning complex creative workflows into seamless, intelligent systems. As a Senior Backend Engineer, you’ll own the architecture behind this core product. You’ll design APIs that power creative tooling, orchestrate large-scale compute workloads, and shape the technical foundations of a platform redefining what’s possible in 3D content creation. What you’ll do • Build and scale backend services and APIs for web and desktop applications., • Design and implement distributed systems for async processing, ML workflows, and asset pipelines., • Own authentication, billing, and subscription systems — ensuring reliability and seamless user experience., • Drive observability, performance tuning, and deployment automation across the stack., • Collaborate closely with product, frontend, and ML teams to deliver features that delight and scale. You should have • 5+ years of experience developing production-grade backend systems and APIs., • Strong skills in Python (FastAPI or similar) and modern cloud infrastructure., • Deep understanding of system design, scalability, and reliability., • A product-oriented mindset — you design with end users and UX impact in mind., • Passion for clean abstractions, maintainable code, and well-defined interfaces. Nice-to-haves • Experience with cloud-native infrastructure (AWS, GCP, or Azure)., • Familiarity with auth, billing, or subscription systems., • Background in 3D graphics, creative tooling, or ML pipelines., • Knowledge of observability tools like Grafana, Prometheus, or OpenTelemetry. This is a rare opportunity to join an early-stage team backed by leading deep-tech investors, building the foundation of a platform that fuses AI, creativity, and large-scale 3D generation. If you love architecting systems that empower creators and push technology forward, we’d love to hear from you.

This is a remote-working opportunity for a Senior Analog IC Design Engineer to join a leading Semiconductor company based in Edinburgh. Join a world-leader in consumer electronics and enjoy the flexibility of working from home! Here are the Senior Analog IC Design Engineer you will be responsible for the design, verification and simulation of CMOS analog blocks for power management circuits including voltage references, bias circuits, comparators and amplifiers meeting performance, area and power specifications. Other responsibilities include: • Working with block leads to achieve system and design strategy for power management products., • Producing high quality documentation for own IP blocks, • Taking technical leadership for sub-systems and driving them from specification to production, • Interpreting requirement specifications to achieve system and designing strategy, • Driving silicon debugging and designing characterization, • Driving Lab evaluation in collaboration with Applications Engineers for own design The ideal candidate will be a seasoned Analog IC Design Engineer with experience in ADCs or power management IC design. Excellent communication and team working skills are required, and candidates must be based in the UK. A very strong base salary is on offer, together with annual bonus plan and stock units. For details, get in touch!

Job Summary Bring your IT career and talents to CDW, where you can make a greater impact, be inspired by our mission and feel excited about your career and future. As a Fortune 200 leader, we are the driven professionals and technology experts that companies trust most to solve their IT challenges. As a Senior Software Engineer Manager, you’ll take on a high-profile, high-impact role for internal stakeholders and customers. Your experience in building and managing high-performance teams will help accelerate our growing business further. You will collaborate with other teams to develop new offerings, plan go-to-market strategies and lead your team of Software Engineers to execute those strategies. The ideal candidate will have a strong technical background in Salesforce, Azure Cloud Services, Workday, Navision, Sub Hub, Informatica, PeopleSoft and Enterprise Integrations, along with a proven track record of leading cross -functional teams and managing complex, large-scale digital transformation initiatives Hybrid Work Pattern - 2 days in office, based in Central London What you will do • Lead and mentor a team of Software engineers, ensuring high-quality software development and delivery., • Mentoring and coaching a team of 15+ coworkers on the execution of optimal solution roadmaps while maintaining consistently high levels of customer satisfaction., • Exhibit and advance technology leadership while serving as trusted leader/advisor, trainer and "Go To" person for the solution, both technically and strategically., • Lead the implementation, customization, and ongoing optimization of enterprise systems, including Workday, Navision, Sub Hub, Informatica, and PeopleSoft, ensuring they align with business needs and industry best practices., • Ensure scalability, security, and compliance by applying best practices in enterprise architecture, data governance, and role-based access controls., • Optimize system performance by continuously monitoring and refining workflows, reducing redundancies and improving automation, • Collaborate with business units and IT stakeholders to assess current processes, identify gaps, and implement solutions that drive efficiency and innovation., • Lead migration and upgrade projects for legacy systems, ensuring minimal disruption and maximizing system adoption across teams., • Leverage AI/ML and analytics capabilities to enhance reporting, forecasting, and decision-making within these platforms., • Lead end-to-end digital transformation initiatives, modernizing legacy systems and migrating critical business applications to cloud platforms., • Ensure seamless data migration, system integrations, and performance tuning for high availability environments., • Ensure we build solutions that leverage our cross-practice expertise and drive client value and CDW differentiation What we expect of you Minimum basic requirements • 10+ years of experience in technical engineering or architecting., • 5+ years leading technical teams., • Proven experience leading cross-functional engineering teams and driving Agile methodologies., • Strong ability to communicate effectively with technical and non-technical stakeholders, ensuring alignment across teams and executives., • Demonstrated analytical, organizational, and decision-making skills with negotiation expertise to drive positive outcomes., • Experience managing multi-team collaboration in complex digital transformation projects., • Enterprise Systems, • Expertise in Salesforce Sales Cloud, Service Cloud, Marketing Cloud, and Experience Cloud., • Strong proficiency in Apex, Visualforce, Lightning Web Components (LWC), and Flows., • Experience with Salesforce integrations (APEX REST APIs, MuleSoft, Data Loader, middleware solutions)., • Azure Cloud & DevOps, • Hands-on experience with Azure services (Azure Functions, Logic Apps, API Management, Azure SQL, etc.)., • Expertise in Azure DevOps, CI/CD pipelines, and Infrastructure as Code (Terraform, ARM templates)., • Strong understanding of Azure security best practices, identity management (Azure AD), and networking. Preferred skills, experience, and qualities needed • Education: Bachelor’s or Advanced Degree in Engineering, Computer Science, or related field., • Certifications: PMP, Digital Leader (Azure, AWS, or Google Cloud)., • Technical Depth: Expertise in at least two areas: Salesforce Sales Cloud, Cloud Networking, Security, AI, Storage, Private/Hybrid/Public Cloud, Data Protection, Disaster Recovery., • Industry Trends: Experience with AI/ML-driven CRM solutions and cloud-native architectures

As a Principal / Lead Full-Stack Engineer, you'll thrive if you're hands-on, grounded, and passionate about building with technology. This role is ideal for those looking to have a large impact and huge scope for growth, while still being hands on with technology. We aim to allow growth without becoming “post-technical”. Our clients diverse tech stack includes TypeScript, Java, .Net, Scala, Kotlin, Golang, Elixir, Python, .Net, Node.js, and Rust. Experience with one, or more than one of those languages would be preferred. We focus on lean teams without traditional management layers, working in small, collaborative teams (2-5 people) where a well-founded argument holds more weight than the years of experience. Responsibilities: • Lead engagements when working with customers across domains like retail, banking, publishing, social, education, adtech and more, • Remain fully hands-on and write high-quality, production-ready code that enables smooth deployment of solutions, • Drive architectural and design decisions, ensuring scalable, resilient systems built on sound engineering principles and best practices, • Partner with clients to define and evolve their technology and data strategy, modernizing infrastructure, architecture, and technology stacks, • Utilize DevOps tools and practices to automate and streamline the build and deployment processes, • Work closely with Data Scientists and Engineers to deliver robust, production-level AI and Machine Learning systems, • Develop frameworks and tools for efficient data ingestion from diverse and complex sources, • Operate in short, iterative sprints, delivering working software aligned with clear deliverables and client-defined deadlines, • Demonstrate flexibility by learning and working across multiple programming languages and technologies as required Additional Responsibilities: • Actively contribute to a high-performing engineering culture by working from ours or client offices regularly to collaborate closely with fellow senior techies, fostering strong technical discussions and decision-making, • Provide hands-on mentorship and technical guidance that encourages knowledge sharing, continuous improvement, and innovation within your team Skills you’ll need: • Demonstrated experience as a Principal or Lead Software Engineer, • Experience in leading architecture and design decisions, ensuring adherence to best practices in technology choices and system design, • Deep understanding of programming fundamentals and expertise with at least one programming language (functional or object-oriented), • A nuanced and rich understanding of code quality, maintainability and practices like Test Driven Development, • Experience with one or more source control and build toolchains, • Working knowledge of CI/CD will be an added advantage, • Understanding of web APIs, contracts and communication protocols, • Understanding of Cloud platforms, infra-automation/DevOps, IaC/GitOps/Containers, design and development of large data platforms, • A maker’s mindset - To be resourceful and have the ability to do things that have no instructions What will you experience in terms of culture at Sahaj? • A culture of trust, respect and transparency, • Opportunity to collaborate with some of the finest minds in the industry, • Work across multiple domains What are the benefits of being at Sahaj? • Unlimited leaves, • Life Insurance & Private Health insurance paid by Sahaj, • Stock options, • No hierarchy, • Open Salaries

Senior BMS / MEP Validations Engineer – London - £65,000 RGB are representing a fast-growing building services engineering consultancy entering its next phase of expansion. Since launching in 2020, the company has seen rapid growth across its Design, Energy & Sustainability, and Commissioning Management teams and is now developing its operations division, with a focus on Validations. This is a pivotal moment to get involved, working alongside senior leaders who have a track record of building high-performing technical teams. We're seeking a technically strong, motivated engineer ready to take ownership, shape a growing division, and play a key role in the company’s continued success. Salary package: • £50,000 - £65,000 – Plus performance bonus, • 25 Days Holidays, • Annual salary review, • Opportunities for training, mentoring, and personal development, • Direct access to senior leadership and involvement in major projects, • Progression Key Responsibilities • Lead the preparation of validation activities, including permits, access logistics, and RAMS, ensuring all documentation is in place and aligned with project requirements., • Carry out thorough inspections of Mechanical, Electrical, and Public Health systems, identifying issues, assessing performance, and documenting findings with detailed commentary and supporting photos., • Work collaboratively within the team, effectively sharing responsibilities and providing guidance to junior engineers and subcontractors., • Manage third-party vendors during site activities, ensuring compliance with quality, safety, and schedule expectations. Act as a professional representative in client meetings and on-site engagements., • Produce accurate, well-structured validation reports using Microsoft Office tools. Track progress, record actions, and provide clear, actionable recommendations., • Monitor project timelines, identify risks or delays, and support the alignment of validation tasks with broader programme milestones., • Feed validation outcomes into the design process by identifying required system upgrades or replacements. Support commissioning phases during project redevelopment or fit-out works. About The Company: The company’s work spans the full project lifecycle, from early-stage design and energy strategy through to commissioning and post-occupancy validation. Its structure is built around four key divisions: • MEP Design, • Energy & Sustainability, • Commissioning Management, • Operations & Validations Requirements • Strong working knowledge of BMS platforms (e.g. Trend, Siemens, Schneider, Honeywell), • Proven track record in system validation, commissioning, or technical surveying, • Excellent written and verbal communication skills, with strong reporting ability, • Willingness to travel Be Part of the Next Chapter If you are an experienced engineer who wants to take ownership of your work, help build a team, and play a key role in shaping the future of a rapidly expanding consultancy, we would love to hear from you. Apply now or get in touch with the leadership team for a confidential discussion.

Halian is proud to partner with a leading medical device innovator based in London in their search for a Senior Systems Engineer. This is a pivotal role within the growing R&D team, driving both new product development and sustaining engineering for life-supporting technologies. As a Senior Systems Engineer, you’ll be at the forefront of shaping technical architecture, optimising engineering processes, and ensuring regulatory compliance across complex systems within Medical Devices. This is a fantastic opportunity to make a tangible impact in a regulated, high-reliability environment. Key Responsibilities: • Lead the definition and execution of technology roadmaps aligned with long-term business goals., • Own system architecture and feasibility assessments for assigned products., • Translate stakeholder needs into robust system requirements and design documentation., • Drive engineering governance activities including Critical Design Reviews (CDRs)., • Collaborate with V&V teams to support defect triage, issue resolution, and validation., • Monitor regulatory changes and ensure compliance with standards such as IEC 60601, IEC 62304, and ISO 14971., • Conduct risk management activities including FMEA and hazard analysis., • Champion continuous improvement across engineering tools and processes. Required Experience & Qualifications: Essential: • Bachelor’s degree in biomedical, mechanical, electrical, or systems engineering (or equivalent)., • Strong background in high-reliability systems., • Deep understanding of ISO 14971 and IEC 62304 standards., • Proven experience in systems engineering disciplines: requirements, architecture, design, V&V, and release., • Familiarity with ISO/IEC/IEEE 15288 lifecycle within regulated product development., • Comfortable working in cross-functional teams and dynamic project environments. Desirable: • Experience in ISO 13485-compliant environments., • Knowledge of real-time control systems and embedded platforms., • Experience in IEC 60601-1, • Strong communication and collaboration skills across engineering, quality, and clinical teams.

Senior Software Engineer II – ML Platform & GenAI (relocation to dubai) Location: Dubai, United Arab Emirates As part of the Machine Learning Platform & Generative AI Applications team, this role sits at the intersection of engineering, data science, and product development. The team builds the foundational tools that power intelligent and engaging user experiences across multiple business verticals. This is an exciting opportunity for a Senior Software Engineer with expertise in GenAI and platform engineering to contribute as a hands-on technical leader. You will help shape the next generation of AI-driven services by building scalable infrastructure and driving innovative applications from concept to production. Key Responsibilities • Design and implement scalable services, APIs, and workflows to support GenAI-driven feature development., • Collaborate on flagship GenAI applications, such as:, • Retrieval-Augmented Generation (RAG) powered support systems, • AI copilots for partners or drivers, • Marketplace-level forecasting and decision-support tools, • Define and evolve platform architecture to ensure reliability, scalability, cost-efficiency, and security., • Build platform capabilities such as:, • Prompt versioning, • Evaluation dashboards, • Real-time user feedback systems, • Promote MLOps best practices and responsible AI by establishing robust monitoring, guardrails, and launch protocols., • Mentor team members and contribute to a culture of engineering excellence through code reviews, workshops, and knowledge sharing., • Collaborate with cross-functional teams including product managers, designers, and data scientists to translate high-level ideas into executable engineering tasks. Qualifications & Requirements • 7+ years of professional experience in software engineering with strong design principles and system architecture knowledge., • Proficiency in programming languages such as Python, Java, Go, or similar., • Experience working with Generative AI and ML infrastructure, including:, • Fine-tuning transformer models, • Managing embeddings, • Building RAG pipelines, • Familiarity with vector databases (e.g., Pinecone, Milvus, Weaviate) and semantic search techniques., • Strong foundation in cloud infrastructure, networking, security, CI/CD pipelines, and observability., • Experience with cloud platforms (AWS, GCP, etc.) or database internals., • Proven track record of delivering end-to-end projects and mentoring engineers., • Direct experience with ML platforms and MLOps is required.

Humanoid is the first AI and robotics company in the UK, creating the world’s most advanced, reliable, commercially scalable, and safe humanoid robots. Our first humanoid robot HMND 01 is a next-gen labour automation unit, providing highly efficient services across various use cases, starting with industrial applications. Our Mission At Humanoid we strive to create the world’s leading, commercially scalable, safe, and advanced humanoid robots that seamlessly integrate into daily life and amplify human capacity. Vision In a world where artificial intelligence opens up new horizons, our faith in its potential unveils a new outlook where, together, humans and machines build a new future filled with knowledge, inspiration, and incredible discoveries. The development of a functional humanoid robot underpins an era of abundance and well-being where poverty will disappear, and people will be able to choose what they want to do. We believe that providing a universal basic income will eventually be a true evolution of our civilization. Solution As the demands on our built environment rise, labour shortages loom. With the world’s workforce increasingly moving away from undesirable tasks, the manufacturing, construction, and logistics industries critical to our daily lives are left exposed. By deploying our general-purpose humanoid robots in environments deemed hazardous or monotonous, we envision a future where human well-being is safeguarded while closing the gaps in critical global labour needs. We are looking for an exceptional Senior or Staff RL Control Engineer to join our Control Team in London. You will be a key contributor to the development and evolution of our whole-body control (WBC) software stack - the layer that unifies locomotion, manipulation, and interaction control for our robotic systems. The ideal candidate combines a strong background in classical control with the ability to develop and integrate reinforcement-learning-based control components into complex, real-time systems. You will work at the intersection of robot dynamics, control architecture, and modern learning-driven control, collaborating closely with engineers in London and Vancouver who share responsibility for our global control infrastructure. A key focus of this role will be ensuring safety and robustness in loco-manipulation behaviors of bipedal robots - designing control strategies that guarantee safe, stable, predictable, and recoverable interaction between locomotion and manipulation subsystems in dynamic environments. This is a hands-on, system-defining role for someone passionate about high-performance robotic control - from model-based design to the deployment of advanced control strategies that bring robots to life. What You’ll Do: Whole-Body Control Architecture: • Design, implement, and extend whole-body control frameworks that coordinate multiple robot subsystems (locomotion, manipulation, teleoperation)., • Develop and maintain mid-level controllers that translate motion objectives into coherent, stable, real-time control actions., • Ensure controllers are modular, deterministic, and extensible, supporting both classical and learning-based control strategies., • Architect and tune low-level controllers for balanced performance, supporting compliant behaviors for learning tasks and precise fallback modes for safety., • Develop and enforce safety mechanisms within WBC to manage contact, stability, and recovery during combined locomotion and manipulation (loco-manipulation) behaviors. Reinforcement Learning Integration: • Develop and integrate RL-based controllers and policies within the WBC architecture., • Define clear, robust interfaces between classical controllers and learned components, enabling smooth blending and fallback behaviors., • Collaborate with the Imitation Learning and Deployment teams to ensure compatibility of runtime systems and deployment pipelines - while maintaining full ownership of control and WBC components., • Shape RL action spaces to promote safe exploration, avoiding extreme behaviors while enabling smooth policy execution., • Work with deployment teams to align RL outputs with hardware realities, using simulation penalties and transfer techniques for reliable rollout. System Integration & Cross-Site Collaboration: • Collaborate daily with control engineers across Boston, London, and Vancouver, aligning control strategies, architecture, and codebase., • Benchmark actuator properties (like torque limits and delays) to refine simulation models, closing the sim2real gap., • Validate controllers in simulation and hardware environments, iterating closely with system-level testing teams., • Participate in design reviews, profiling, and performance analysis for high-impact control modules. We’re Looking For: • M.S. or Ph.D. in Robotics, Control, Mechanical Engineering, Computer Science, or related field., • 5+ years of experience developing control software for complex robotic systems (humanoids, legged platforms, or articulated manipulators)., • Strong theoretical and practical background in classical control (model-based control, observers, optimal control, QP-based control)., • Proven ability to design and implement real-time control algorithms in C++ or Python., • Deep understanding of robot dynamics, kinematics, and control optimization., • Experience validating control architectures both in simulation and on physical hardware. Nice to have: • Experience developing or integrating reinforcement-learning-based control policies for high-DOF systems., • Familiarity with whole-body control frameworks, including task hierarchies, optimization-based control, and constraint handling., • Background in real-time or distributed control systems, including ROS2 or real-time middleware., • Strong software engineering skills: modular design, benchmarking, testing, and performance profiling., • Demonstrated ability to collaborate across geographically distributed teams and disciplines. What We Offer: • Competitive salary plus participation in our Stock Option Plan, • Paid vacation with adjustments based on your location to comply with local labor laws, • Travel opportunities to our London and Vancouver offices, • Comprehensive health insurance coverage, • Freedom to influence the product and own key initiatives, • Collaboration with top‑tier engineers, researchers, and product experts in AI and robotics, • Startup culture prioritizing speed, transparency, and minimal bureaucracy

Staff Backend Engineer Location - London hybrid (once per week onsite, minimum twice monthly) Salary - 130k-160k+ bonus/benefits + equity Our unicorn client is a fast-growing technology company in the mobility and insurance space. They're looking for a Staff Backend Engineer to take on one of their most senior individual contributor positions, providing hands-on technical leadership while helping define the engineering culture. This is a rare chance to have genuine impact on the technical direction of business-critical, data driven systems with AI at the centre. You’ll work across multiple teams, shaping architecture, setting high standards, mentoring engineers, and collaborating with stakeholders to deliver real user and business value. The Opportunity • Drive technical strategy and system architecture across multiple teams., • Tackle complex engineering challenges end-to-end, delivering the most critical components yourself., • Champion engineering best practices—from design and implementation to testing, observability, and scaling., • Collaborate with product, data, and business teams to align priorities and ensure technical solutions meet real business goals., • Mentor and coach engineers and technical leads, helping them grow both technically and as leaders., • Act as a technical multiplier—bring clarity to ambiguous problems, unblock teams, and ensure sound decision-making through clear, informed communication., • Contribute to company-wide technical standards and improve processes and tooling for the broader engineering organisation. What We’re Looking For • Proven experience designing and delivering scalable distributed systems, ideally with Python or a mix of statically and dynamically typed languages., • Strong track record of writing production-quality code with a focus on maintainability, reliability, and performance., • Experience leading technical direction across multiple teams or projects—aligning engineers without relying on formal authority., • Ability to partner with senior stakeholders, balancing technical priorities with business needs., • Hands-on, pragmatic mindset—comfortable diving into code and systems to understand trade-offs and guide delivery., • Curiosity and a growth mindset—keen to expand into areas like machine learning systems or mobile integration if not already experienced. Why Join? • Our client offers a genuinely collaborative, inclusive environment with the freedom to take ownership and deliver impactful work., • Be part of a company where people support each other and celebrate collective wins., • Help define technical leadership standards and mentor the next generation of engineers., • Flexible hybrid working model: at least one day per week in their central London office, with balance for focused home-working., • Competitive salary, private medical insurance, company equity options, generous holiday allowance, and a broad package of wellbeing benefits., • Commitment to diversity and inclusion—they welcome applications from all backgrounds. If you're a senior backend engineer or staff-level individual contributor who wants to combine hands-on coding with strategic technical influence, and you're looking for a role where you can shape both systems and culture, we'd love to hear from you.

Senior Optical Engineer | London | Hybrid | £60k-£90K | Lucrative Stock Options Are you an experienced Optical Engineer with experimental experience with Optical Systems? Are you looking to work on cutting-edge products in AI and Machine Learning? Then this might just be the role for you! We are working with a disruptive London-based Computer Networking company who are working on the cutting edge of AI and Machine learning technology with applications for increased productivity in Data centres and HPCs. They are looking for a Senior Optical Engineer to join them in their mission to revolutionise AI systems whilst reducing energy consumption and striving for a sustainable future. Key responsibilities: • Work within the optical network integration team in close collaboration with other teams., • Building optical testbeds and implementing automated measurement methodologies for the identification of System performance capabilities., • Modelling and characterisation of electrical and optical components and end-to-end systems., • Assessment of optical transmission and network performance for short-reach AI Networked Systems. Required experience: • Hands-on optical communication systems development and testing experience., • Experience with Optical Transmissions & Transceivers., • High-baud-rate experience within optical communication systems., • Strong DSP and end-to-end optimisation experience., • End-to-end systems modelling experience, including RF and optical., • Strong Python skills for Test automation and scripting., • PhD degree in optical communications, physics, or other relevant fields or experience within the industry; What’s in it for you? • Up to £90k DOE, • Lucrative stock options., • 25 days holiday + bank holidays., • Hybrid working., • Relocation assistance., • Visa sponsorship provided.

Alfred Recruitment are currently working with an award winning façade engineering consultancy, who with over more than 20 years in the industry have built themselves an exceptional reputation for quality and expertise. They are currently in a great stage of growth having massively expanded their portfolio, are so are now looking for a new Façade Engineer to join their team and bring their expertise to these exciting, high profile projects. This role will suit someone with around 2-4 years of experience within façade engineering, as the role will come with a great deal of support from experienced mentors and the opportunity to be involved with some amazing, yet complex work. Also this role will come with some fantastic career development opportunities thanks to the growth this company is going through. What you’ll be doing • Completing engineering analysis and structural engineering calculations across a wide range of façade system and elements, • Working with external structural engineering consultants to ensure accuracy, • Creating programs and spreadsheets for automated calculation., • Carrying through calculations using TEDDS for various systems, • Carrying out site visits where necessary, • Keeping track of the latest facade structural and product information with regards to products and systems used within the façade industry., • Assisting the directors, associates and senior staff with other tasks as required. What you’ll need for this role? • At least 2 years’ experience working with a Façade Engineering role, • Must have a bachelor degree qualified and ideally working towards Chartered membership of the Institution of Structural Engineers (although not essential), • Good practical and technical structural engineering knowledge and experience., • The candidate should also have a good knowledge of facade materials, products, manufacturing methods and construction methods.

Senior Optical Hardware Validation Engineer Location: London (Hybrid) Salary: £60,000 – £80,000 + Benefits Visa & Relocation: Support available for qualified candidates This role would suit an electronics or optical engineer with experience of highspeed fibreoptic network electronics integration, test and validation. The opportunity: This is an exciting and new opportunity to join a start-up involved with the research, development and design of optical / photonic technologies. Their technologies are designed to radically improve network speed and energy efficiency of AI / ML applications. The role: Involves the systems integration of optical transceiver and other photonics hardware. Also, test, prototyping, characterization and validation of their ultra-fast optical hardware products. As a Senior Optical Engineer, you’ll take an active, hands-on role in lab-based experimentation, hardware integration, and system-level validation. Working closely with multidisciplinary design teams, you’ll bring together advanced electronics (SoC / high speed boards) and optical technologies, helping to move products from prototype to production readiness. Typical involvements - Senior Optical Engineer / Hardware Validation Engineer • Integrate and test very high-speed optical / photonic and electronic hardware systems, • Assess optical transmission and network performance for short-reach AI Networked Systems, • Develop and execute test plans for high-speed optical transceivers across the full product lifecycle (prototype, validation, production)., • Perform electrical and optical characterisation of transceivers, specifically in burst-mode Tx/Rx testing., • Analyse test data to identify performance margins, failure modes, and opportunities for design/manufacturing improvements., • Optimise receiver performance through equalisation tuning (CTLE, DFE, FFE) and characterise link margins., • Design and execute automated test and characterisation routines for prototypes and NPI systems., • Analyse and optimise system-level performance across electrical and optical domains. Candidates should be collaborative, analytical, and hands-on approach to solving complex engineering challenges Skills / Knowledge Required: Senior Optical Engineer / Hardware Validation Engineer • MSc or PhD degree in optical communications, photonics, physics, electronics engineering or other relevant areas, • Proven experience working in industry on similar high-speed electronics/ transceivers / optical modules (e.g. >50 Ghz : >10Gbps), • Strong background in optical / photonic or high-speed electronic system integration, testing, validation, or integration., • Understanding of signal integrity, high-speed PCB design considerations, and packaging impacts on performance., • Experience with fibre-optic communication systems testing (OLT, ONT, PON) and integration., • Expertise in burst-mode transceiver characterisation., • Solid understanding of equalisation techniques (CTLE, FFE, DFE) for improving high-speed link performance., • Proficiency in using high-speed measurement instruments (e.g., sampling oscilloscopes, BERTs, burst-mode analysers)., • Familiarity with optical components (lasers, photodiodes, burst-mode APDs/TIAs, modulators) and transceiver architectures. Others (beneficial): • Strong hands-on experience in optical / photonic communication systems development and testing, ideally at 100Gbps and above., • Experience with automated test systems and scripting (e.g., Python, Matlab, C++, C#)., • A strong and demonstrable interest in sustainable technologies, AI, ML and / or HPC would be preferred. This is a great opportunity to join a highly technical team driving innovation in next-generation AI / ML networking hardware. The Senior Optical Engineer opening is based in central London (hybrid). Assistance can be granted to obtain working visas.

About Online Filings Our mission is to empower entrepreneurs to realise their dreams, giving them more time to focus on what truly matters. Our platform simplifies all administrative tasks, allowing entrepreneurs and small business owners to manage their business admin effortlessly and without the usual complexities. By harnessing cutting-edge technology and data analytics, coupled with outstanding customer service, we provide a seamless experience that emphasises simplicity, efficiency, and rapid execution. Our goal is to remove obstacles, enabling you to achieve success faster and more effectively. Role Overview As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex problems, and are ready to lead innovative projects, we encourage you to apply. Join our dynamic team and contribute to building transformative solutions that make a tangible impact. This role will be eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities • Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle., • Architecture & Design: Oversee system architecture decisions, ensuring alignment with business goals and scalability requirements., • Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment., • API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation., • Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability., • Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices., • Integration & Automation: Architect and maintain integrations with external APIs such as AWS, Stripe, Zendesk, Twilio, Google Analytics, Google Ads, HMRC, etc…, • Code Quality & Reviews: Enforce code quality through rigorous reviews, automated testing, and CI/CD processes., • Project Management: Collaborate with cross-functional teams to gather requirements, set timelines, and deliver high-quality solutions on schedule., • Continuous Improvement: Stay ahead of industry trends, introducing innovative tools and technologies to enhance development efficiency. Qualifications and Key Skills • Education: Bachelor’s in Computer Science or related field from a Tier 1 university., • Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs, • Leadership: Proven track record of leading development teams and managing large-scale projects., • Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation., • Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture., • Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive and solution-oriented mindset., • Soft Skills: Excellent communication, organisational skills, and the ability to work independently or within a team. Preferred Qualifications • Advanced Degrees: Master’s in Data Science or Software Engineering., • Cloud & DevOps: Experience with AWS cloud services, Terraform, Docker, Kubernetes, • Agile/DevOps: Experience with Agile methodologies, CI/CD pipelines, and project management tools (Jira, Confluence, Bitbucket)., • AI/ML: Exposure to AI/ML projects or data analytics. Benefits and Perks Our comprehensive offering is designed around flexibility, well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. • Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases., • Performance Bonus: Up to 10% annual bonus., • Generous Holiday Allowance: 27 days holiday plus bank holidays., • Health Insurance: Private health insurance including dental care, vision, and health screenings., • Lifestyle Benefits: benefit from up to 50% discounts at selected gyms and exclusive lifestyle accessory offers and rewards to support your physical health and well-being., • Mental Health Support: access to up to 8 free Cognitive Behavioural Therapy (CBT) sessions and free annual subscriptions to mindfulness apps like Headspace., • Retirement: We contribute 3% to your pension, for every 5% you contribute., • Powerful computer to work from your home., • Cycle to work scheme., • Flexible Working Options: hybrid setting (3 days in the office) Online Filings is an equal opportunity employer. We celebrate diversity and are committed to equal employment and creating an inclusive environment for all employees, irrespective of race, gender, sex, religion, nationality, age or disability.

About the Role As Senior Electrical Design Engineer, you will take a key role in shaping the technical design, integration, and delivery of high-voltage BESS assets. Working within a collaborative engineering team, you will ensure that designs are compliant, constructible, and optimised for performance and reliability. This is an excellent opportunity for a technically driven engineer who thrives on complex electrical challenges and wants to play a hands-on role in the energy transition. Key Responsibilities • Lead the electrical design and review of BESS projects from feasibility through to construction and commissioning., • Develop single line diagrams, protection and control schemes, and equipment specifications for HV and LV systems., • Coordinate grid-connection designs with DNOs/TSOs and ensure compliance with national and European grid codes., • Support RFP and procurement processes, contributing technical specifications for major electrical equipment (transformers, switchgear, inverters, etc.)., • Interface with civil, controls, and EPC teams to ensure fully integrated and compliant designs., • Review contractor and supplier submissions, ensuring quality, safety, and adherence to standards., • Provide engineering support during construction, testing, and energisation stages., • Contribute to continuous improvement of internal design standards, templates, and processes., • Occasional travel to project sites and partner offices across Europe. About You • Degree in Electrical Engineering or related discipline., • Proven experience in high-voltage electrical design within renewable energy, substations, or BESS projects., • Strong understanding of protection, earthing, and control systems, and relevant UK/EU standards., • Comfortable working with grid-connection studies, G99 compliance, and power system interfaces., • Skilled in using design and documentation tools (AutoCAD, CAD for review, or similar)., • Effective communicator, capable of working across engineering, construction, and external stakeholders., • Highly organised with strong attention to detail and a proactive, problem-solving mindset.

ROLE- Senior Mechanical Design Engineer LOCATION- Northwest London TERM- Permanent SALARY- £40,000 - £70,000 dependent on experience My client designs specialist products in a highly regulated industry. They are looking for a Senior Mechanical Design Engineer to join their team in Northwest London on a permanent basis. The Senior Mechanical Design Engineer will ideally have the following attributes: • HNC / HND / BTEC / NVQ / Degree qualified in Mechanical Engineering, Biomedical Engineering or similar, • At least 2 years’ experience in a similar Design Engineering position, • Experience working with medical devices, agriculture, consultancy or in a highly regulated industry would be beneficial, • Experienced with full lifecycle product design, • Excellent knowledge of manufacturing processes and materials – plastic injection moulding, sheet metal, castings, etc., • Excellent mathematical ability and knowledge of mechanisms, • Be proficient using 3D CAD software such as AutoCAD, SolidWorks, Inventor etc., • Good theoretical mechanical engineering knowledge of core principles and tight tolerances, • Excellent communication skills both verbal and written, • Proficient using MS Office, • Excellent organisational skills and time management skills, • Have the ability to work well alone as well as part of a small multi-disciplinary team The Senior Mechanical Design Engineer role will involve: • Using CAD for concept design and producing technical drawings, • Working in a highly regulated industry to design various products, • Liaising with manufacturing providers, • Being involved in final assembly of products, • Creating the required documentation for design as well as project reports / plans, • Updating 3D models and drawings, • Inputting parts into the MRP system creating BOMs, • Checking drawings for sign off, • Working in a small multi-disciplinary team on varied projects If you are interested in this position, please apply with an up to date CV as soon as possible.

💻 Founding Engineer (Typescript/Rust) 🙌 Mid/Senior ⏰ AI Time Machine 🇬🇧 4 Days Onsite in London 💷 £60,000 - £100,000 (Permanent) + >1% Equity + Benefits Our client is a pre-seed startup building an AI website time machine — a platform that alerts users whenever tracked websites change. Backed by early traction with customers like Eleven Labs and Gradient Labs, the team is blending deep tech with a touch of AI to create a product that changes how the web is monitored. This is an opportunity to join at the ground floor as engineer no. 2, shaping not only the product but also the engineering culture and future growth of the company. We are looking for a Typescript Engineer who is excited to grow into Rust and take ownership of critical parts of the system. No prior Rust experience is required — this is a rare chance to learn Rust in production. Currently, the stack is around 70% Typescript, 30% Rust but fluid. Requirements • Strong Typescript experience (3+ Years), • Interest in learning Rust — no prior experience required, • SQL experience, • Cloud experience (AWS preferred), • Willingness to work 4 days onsite in London, • Comfort with cloud/infrastructure technologies (e.g. Kubernetes, Docker, AWS/GCP), • Experience in early-stage or startup environments is a plus Benefits • Salary from £60k - £100k, • Guaranteed pay rise upon Seed round of funding, • 30 days holiday + local national holidays, • Flexible Hours, • Minimum 1% Equity!, • Quarterly socials and workshops, • Pension match up to 5%

Specifics • Salary: £70-90k, depending on experience., • Share Options: Significant share options as part of the early team., • Location: In-person work at the company’s headquarters in Bermondsey, South-East London., • Time Off: Unlimited time off. We are conducting a search on behalf of a pioneering synthetic fuel company dedicated to decarbonising heavy industry who have recently raised over £10million in funding. This company's mission is to make synthetic fuels cheaper than fossil fuels and contribute to a sustainable future by keeping CO2 locked underground. The company designs and manufactures modular synthetic fuel plants that integrate a Direct Air Capture (DAC) system, an Alkaline Electrolyzer, and a Sabatier Reactor. These systems are vertically integrated with off-grid DC solar and the European gas grid. Having recently deployed the UK's largest synthetic fuel plant, the company is now focused on scaling its operations by a factor of 1,000 within the next two years. We are looking for a Senior Mechanical Engineer to help bring these designs to life by integrating the complex and various systems that they have created. This role involves significant work with condensing, cooling, plumbing, and system integration. We need someone with immense curiosity and urgency to tackle the thermodynamic challenges of converting H2 and CO2 into synthetic fuels. The ultimate goal is to reduce the cost of methane to the point where drilling for fossil fuels is no longer viable and companies can "mine the sky for carbon." If you are driven to make a tangible, real-world impact and want to work alongside a team of highly dedicated and talented individuals, this is the role for you. The Role • Design the Balance of Plant (BoP) for large-scale Alkaline electrolyzer deployments, including:, • Condensing gas streams to meet reactor specifications., • Maintaining optimal stack temperature for the electrolyte, electrodes, and gasketing., • Designing gaskets and cells, including over-moulding and metal profiling., • Develop control programs to pair production effectively and safely with off-grid DC solar., • Oversee the design, manufacturing, build, and deployment of the entire system. Core Skills & Experience • 5+ years of professional experience., • Bachelor’s or Master’s degree in Mechanical/Aeronautical Engineering or a related field., • A strong, fundamental understanding of thermofluids, heat and mass transfer, and chemical kinetics., • Experience in system design, including component sourcing, CAD (SolidWorks), and design for manufacture/assembly., • Proficiency in simulation and analytical modeling., • Experience with test setup design, running experiments, and data analysis. Specifics • Salary: £70-90k, depending on experience., • Share Options: Significant share options as part of the early team., • Location: In-person work at the company’s headquarters in Bermondsey, South-East London., • Time Off: Unlimited time off.

Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days. Ki is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years. Ki’s teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. What’s the role? Our broker platform is the core technology crucial to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Staff Software Engineer to join our Engineering team. You will provide technical leadership for both delivery squads and the wider engineering organisation. Along with our engineering leadership, you’ll champion engineering excellence and high standards of quality through an environment of continuous improvement. You will be hands-on, directly delivering new impactful software. You will be able to propose, design, and execute initiatives independently, leading colleagues to deliver on these goals. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications, • Design, build, test, document and maintain API’s and integrations, • Develop new functionality in our core Kotlin based services, working in multi-disciplinary teams, • Ensure quality control using industry standard techniques such as automated testing, pairing, and code review, • Work with the Product team to understand end-user requirements and translate them into an effective technical solution, • Document technical design and analysis work, • Assess current system architecture and identify opportunities for growth and improvement, • Build mock-ups or prototypes to explore and troubleshoot new initiatives, • Explore new ideas and emerging technologies, develop prototypes quickly, • Uphold and advance the wider engineering team’s principles and ways of working, • Promote a culture of continuous improvement, positively influence current ways of working, leading by example, • Serve as a domain expert in many of Ki’s core technologies, • Mentor and coach colleagues in both engineering and business domain subjects towards building their own abilities and skills · Opinionated regarding system architecture, able to suggest improvements and changes required to support delivery of new functionality, where required Required Skills and Experience: • Experience as a senior level engineer working across a modern web stack, • Strong software engineering principles (SOLID, DRY, ER modelling), • Professional experience with a server-side language, ideally JVM based, • Comfortable working with cloud infrastructure, infrastructure as code, familiar with standard logging and monitoring tools used to investigate issues, • Experience with continuous integration, or ideally, continuous delivery, • Strong familiarity with build tools (e.g. Maven) and version control tools (e.g. Git/Github), • Experience working in agile teams, following Scrum or Kanban, participating in regular ceremonies including stand-ups, planning, and retrospectives, • Experience using project management and workflow tools (e.g. Jira), • Previous experience of software development in the financial markets, Fintech or Insurtech is preferable Our culture Inclusion & Diversity is at the heart of our business at Ki. We recognise that diversity in age, race, gender, ethnicity, sexual orientation, physical ability, thought and social background bring richness to our working environment. No matter who you are, where you’re from, how you think, or who you love, we believe you should be you. You’ll get a highly competitive remuneration and benefits package. This is kept under constant review to make sure it stays relevant. We understand the power of saying thank you and take time to acknowledge and reward extraordinary effort by teams or individuals. If this sounds like a role and a culture that appeals to you, please apply.

Who are we? Look at the latest headlines and you will see something Ki insures. Think space shuttles, world tours, wind farms, and even footballers’ legs. Ki’s mission is simple. Digitally disrupt and revolutionise a 335-year-old market. Working with Google and UCL, Ki has created a platform that uses algorithms, machine learning and large language models to give insurance brokers quotes in seconds, rather than days. Ki is proudly the biggest global algorithmic insurance carrier. It is the fastest growing syndicate in the Lloyd's of London market, and the first ever to make $100m in profit in 3 years. Ki’s teams have varied backgrounds and work together in an agile, cross-functional way to build the very best experience for its customers. Ki has big ambitions but needs more excellent minds to challenge the status-quo and help it reach new horizons. What’s the role? Our broker platform is the core technology crucial to Ki's success – allowing us to evolve underwriting intelligently and unlock massive scale. We're a multi-disciplined team, bringing together expertise in software and data engineering, full stack development, platform operations, algorithm research, and data science. Our squads focus on delivering high-impact features – we favour a highly iterative, analytical approach. We're looking for a Senior Full-stack Engineer to join our Development team. Principal Accountabilities: • Build robust and scalable software for business critical, web-based applications, • Build eye-catching, functional, efficient, and reusable web and mobile-based sites that drive these web applications, • Design, build, test, document and maintain API’s and integrations, • Ensure quality control using industry standard techniques such as automated testing, pairing, and code review, • Work with the Product team to understand end-user requirements and translate them into an effective technical solution, • Document technical design and analysis work, • Assess current system architecture and identify opportunities for growth and improvement, • Build mock-ups or prototypes to explore and troubleshoot new initiatives, • Work with the Product team and UX designers to review designs, implement new features, and ensure user experience is top level, • Explore new ideas and emerging technologies, develop prototypes quickly, • Uphold and advance the engineering team’s principles and ways of working, • Serve as a domain expert for one or more of Ki’s core technologies, • Mentor and coach colleagues in both engineering and business domain subjects Required Skills and Experience: • Experience as a mid-senior level engineer working across a modern web stack, • Strong software engineering principles (SOLID, DRY, ER modelling), • Professional experience with a server-side language, ideally JVM based, • Professional experience building web-based single page applications, using React/Typescript or an equivalent, • Knowledge of front-end development, able to build rich user interfaces following a responsive design, • HTML/CSS experience, including concepts like layout, specificity, cross browser compatibility, and accessibility, • Comfortable working with cloud infrastructure, infrastructure as code, familiar with standard logging and monitoring tools used to investigate issues, • Experience with continuous integration, or ideally, continuous delivery, • Strong familiarity with build tools (e.g. Maven) and version control tools (e.g. Git/Github), • Experience working in agile teams, following Scrum or Kanban, participating in regular ceremonies including stand-ups, planning, and retrospectives, • Experience using project management and workflow tools (e.g. Jira), • Previous experience of software development in the financial markets, Fintech or Insurtech is preferable Our culture Inclusion & Diversity is at the heart of our business at Ki. We recognise that diversity in age, race, gender, ethnicity, sexual orientation, physical ability, thought and social background bring richness to our working environment. No matter who you are, where you’re from, how you think, or who you love, we believe you should be you. You’ll get a highly competitive remuneration and benefits package. This is kept under constant review to make sure it stays relevant. We understand the power of saying thank you and take time to acknowledge and reward extraordinary effort by teams or individuals.

Senior Electrical Engineer | £60,000–£80,000 Location: North West London A leading engineering client is looking for a Senior Electrical Engineer to join their team delivering complex infrastructure projects across rail, highways, power, and tunneling sectors. This is an exciting opportunity to contribute to high-profile, technically challenging projects while working in a collaborative, innovative, and sustainable environment. Why This Role? • Competitive salary with yearly appraisals, • Travel expenses covered for project assignments, • 24/7 Perkbox membership for benefits, wellbeing tools, and discounts, • Life Assurance and Private Medical Insurance, • Generous pension scheme, • 25 days holiday plus bank holidays, including Christmas shutdown About the Role • The Senior Electrical Engineer will provide end-to-end electrical engineering services, including:, • Design and engineering up to 33kV for large infrastructure projects, • System studies such as load flow, short circuit, protection coordination, harmonics, arc flash, and equipment sizing, • Review of designs for safety, compliance, maintainability, and constructability, • Collaboration with CAD/BIM teams to resolve clashes and interface issues, • Liaison with installation teams, manufacturers, and subcontractors, • Support for project planning, commercial tracking, and reporting, • This is a hands-on role ensuring projects meet programme, budget, and quality requirements while delivering safe, sustainable, and efficient electrical solutions. Skills & Experience • Expertise in Low and High Voltage (up to 33kV) power distribution design, • Strong knowledge of electrical engineering standards, legislation, and compliance, • Experience with electrical design software (Amtech/Trimble, Cymap, ETAP, etc.), • Familiarity with 18th Edition IEE Wiring Regulations, • Understanding of design, installation, and commissioning processes, • Experience in rail, power, or large infrastructure projects is a plus Qualifications • Degree in Electrical Engineering (or equivalent), • Registered member of IET, CIBSE, or other recognized professional body, • Proven experience delivering electrical design in infrastructure projects

Ocean Orchestra - Senior Full Stack Engineer At a glance : 💰 £75–95K + equity 🌍 Climate tech with global impact 🛠 Early engineer, greenfield build 🏠 Remote-first UK + London office a few days 🎯 Autonomy, ownership, and direct impact About the Company Founded in January 2025, Ocean Orchestra aims to be a generational force for good in ocean conservation and the ocean economy. Backed by leading SaaS, FinTech and Climate investors, this is an opportunity to apply modern tech to a huge global challenge. Oceans are 71% of our planet and central to climate health, yet receive only a fraction of the world’s investment, technology, and AI innovation. Ocean Orchestra is changing that. Our founding team — ___ , ___ and others [we can happily introduce the other co-founder live; she’s amazing] — have built businesses to global scale. Now, we’re focused on creating lasting, positive change for our planet. About the Role 💰 Salary: £75K-£95K 📈 Equity: Real ownership, significant upside potential. 📍 Location: Remote-first overall, with regular in-person days in our London Victoria office. Wider remote or hybrid options very much available, with flexible arrangements for the right candidate. We have an office in London , for anyone who wants to work in an office. 🤝 Inclusion: We actively welcome applications from candidates of all backgrounds, experiences, and identities. We care about you - your skills, your values, your potential - what you can do, what you want to do, how you work, how you want to work. We believe diverse perspectives are essential to solving global challenges, so we're building a team that reflects the great diversity of our real customers and users across the world. What You’ll Do • Own our engineering stack from MVP to scale — backend, frontend, infra., • Design architecture, choose tools, and set engineering standards., • Work directly with early users to iterate quickly., • Collaborate with the founding team on strategy, hiring, and scaling the tech team., • 5+ years of backend expertise in Go including API design, microservices architecture, gRPC/REST services, and database design (PostgreSQL, Redis)., • Frontend proficiency with React/Next.js, responsive design, and modern JavaScript/TypeScript, • Cloud infrastructure knowledge including AWS services, CI/CD pipelines, and DevOps practices., • System architecture experience designing scalable, maintainable applications from ground up., • Experience in building scalable maintainable low latency SaaS products., • A track record of thriving in fast-moving environments that are full of ambiguity and opportunity., • Expert in solving deep technical problems with customer outcomes top of mind., • Ability to evaluate and make decisions based on a balanced assessment of key factors, including design, scalability, performance, technical debt and cost efficiency., • Working highly collaboratively in a team environment. What We Offer Professional Impact & Growth • Build a high-impact platform from emerging MVP to global scale., • Lead innovation tackling one of the world’s most urgent climate challenges., • Shape both the tech and the company’s culture, processes, and values., • Flexible work arrangements designed around your productivity and life (we really mean this)., • 25 days holiday plus public holidays (on top)., • Pension scheme with company contributions., • Professional development budget (for conferences and growth; we want to invest in you)., • Regular team events and retreats (to help us continually grow together). We’d love to hear from you directly. (No recruiters please, thank you!) . Please email with: 1. Your CV, profile, or anything that shows your best technical and teamwork., 2. A few sentences on why this opportunity speaks to you (no need to write a long response). Ocean Orchestra is an equal opportunity employer, highly committed to diversity and inclusion.

Senior C++ Software Engineer London Join a pioneering team developing advanced software for secure, high-performance communications. This is an opportunity to contribute to technology that supports public safety, defence, and government operations, working within an organisation that combines the innovation of a start-up with the stability of a globally established leader. You’ll play a hands-on role designing and developing complex real-time systems used in mission-critical environments, collaborating with experienced engineers across DevOps, QA, and Architecture. If you’re passionate about engineering excellence, security, and reliability, this is a genuinely impactful role. In this role, you’ll design, build, and maintain C++ software for mission-critical communication systems while integrating with third-party platforms such as Motorola DCS and CADI. You’ll collaborate closely with cross-functional teams to deliver scalable and secure solutions that perform under pressure. Your work will also involve participating in architecture discussions, contributing to code reviews, implementing best practices, and ensuring the software meets performance, reliability, and security standards. You’ll have the freedom to innovate and the responsibility to deliver technology that has real-world impact. What's required for this Senior C++ Software Engineer position? • Strong C++ development skills, • Background in mission-critical or telecommunications software, • Familiarity with Motorola DCS, CADI, or similar system interfaces, • Strong grasp of IP, TCP/UDP, and VoIP (SIP/RTP) networking fundamentals, • Experience with Linux-based development and virtualisation tools, • Working knowledge of CI/CD pipelines, version control, and secure coding practices, • Excellent communication skills and a strong problem-solving mindset Bonus: • Degree in Computer Science, Engineering, or a related discipline, • Understanding of public safety standards (MC-PTT, P25, TETRA) or 3GPP specifications, • Experience with secure government or defence projects, • Knowledge of embedded or real-time communications systems If you're interested in working on exciting projects within an exciting and progressive company, please apply to learn more! If you're interested in this, or other software opportunities across the UK, please contact Jack Bird at IC Resources.

Software Engineer- London BioOrbit is pioneering space-based drug manufacturing. We use microgravity to grow high-quality protein crystals, enabling easier, at-home injectable therapies. As part of our recent success we are looking to grow our team. Position Overview We are seeking an experienced Software Engineer with specialized expertise in payload software development to create autonomous control systems for revolutionary in-orbit pharmaceutical manufacturing platforms. This role focuses on developing mission-critical flight software that must operate reliably in the harsh space environment while controlling precise pharmaceutical manufacturing processes in microgravity. You will be responsible for designing and implementing sophisticated software architectures that enable autonomous pharmaceutical production, real-time process monitoring, and fail-safe operation throughout all mission phases. This position offers the extraordinary opportunity to pioneer flight software for an entirely new industry—space-based pharmaceutical manufacturing—where software reliability, autonomous operation, and precision control are essential for producing life-saving medications beyond Earth. Key Responsibilities • Design and develop flight-qualified payload software for autonomous pharmaceutical manufacturing systems, including process control algorithms, data acquisition systems, and real-time monitoring capabilities for microgravity operations., • Lead software integration and comprehensive testing of payload systems, including hardware-in-the-loop testing, software verification/validation, and flight software qualification according to space industry standards., • Implement robust software architectures with fault tolerance, autonomous recovery capabilities, and fail-safe mechanisms to ensure reliable pharmaceutical production in space environments., • Develop ground support software and user interfaces for mission planning, payload operations, and real-time system monitoring during space missions., • Oversee software deployment and maintenance across development and production environments, implementing DevOps practices, version control systems, and automated deployment pipelines., • Provide comprehensive user support and system optimization, including troubleshooting, performance monitoring, and proactive maintenance of critical systems., • Lead digital transformation initiatives, evaluating and implementing new technologies, software platforms, and IT solutions to enhance operational efficiency., • Create and maintain technical documentation for both payload software systems and IT infrastructure, including software requirements, system architectures, and operational procedures., • Drive technical collaboration across engineering teams through code reviews, system integration meetings, and technical presentations to stakeholders and senior management. Technical Skills + Core Competencies • Proficiency in embedded programming languages (Python, C/C++, MATLAB) and space payload development frameworks with extensive real-time system experience., • Expertise in payload software development, including embedded systems programming, real-time operating systems (RTOS), and flight software architecture patterns for mission-critical applications., • Comprehensive knowledge of software verification and validation processes for space applications, including unit testing, integration testing, formal verification methods, and software quality assurance., • Working knowledge of ECSS standards for space software development (ECSS-E-ST-40C, ECSS-Q-ST-80C) and space software qualification processes., • Advanced experience with spacecraft communication protocols, telemetry/telecommand systems, and space-to-ground data interfaces for mission operations., • Strong background in autonomous control systems, including machine learning algorithms, adaptive control theory, and decision-making frameworks for space applications., • Expertise in pharmaceutical process control software, including batch control systems, process monitoring algorithms, and quality assurance automation preferred., • Proficiency in software simulation and modeling tools for testing flight software in simulated space environments and pharmaceutical process validation., • Experience with safety-critical software development, including hazard analysis, software safety requirements, and fault-tolerant software design patterns., • Advanced debugging and diagnostic capabilities for complex embedded systems with experience in hardware-software integration and troubleshooting., • Strong project management skills with experience leading flight software development projects from requirements through mission operations., • Excellent technical communication abilities with experience presenting complex software architectures to multidisciplinary engineering teams and mission stakeholders. Required Qualifications • Bachelor's degree in Software Engineering, Computer Science, Electrical Engineering, or related field., • 3-5 years of experience in software development, payload systems, or related technical role., • Experience with embedded software development and IT system management projects., • Preference for candidates with space systems or satellite payload software experience., • Knowledge of ECSS standards (ECSS-E-ST-40C, ECSS-Q-ST-80C) preferred This is an exciting opportunity to join a team that is at the forefront of innovation and pushing the boundaries of in space manufacturing. If you feel this role is of interest, please apply and one of the team from Innoforge will be in touch. Unfortunately, sponsorship cannot be provided for this position

Role Summary Built upon the foundation of cutting-edge tech and exceptional talent, BGC Partners is a pioneering global brokerage and financial technology company servicing the financial markets. BGC is agile and dynamic in its approach, delivering world-class products and technology platforms to our diverse customer base daily. Whether you are a senior-level professional or just beginning your career, working at BGC Partners provides opportunities to develop skills, make an impact, and grow at an accelerated pace. About the Role GBX is BGC’s flagship platform for electronic trading solutions in the Credit and Rates markets. Used by thousands of brokers and traders daily, GBX is a strategic priority of the firm’s growth strategy. We are seeking a senior backend engineer to join our GBX Middle Office team, which supports real-time trade data transformation and integration. This role is critical to ensuring the reliability, scalability, and efficiency of our post-trade processing infrastructure. You’ll work in a production-grade environment with high complexity, collaborating with global stakeholders to deliver robust, maintainable solutions and drive technical improvements across the platform. Responsibilities • Develop new business features and improve existing system capacity, • Work on system architecture, code quality, and delivery best practices, • Analyze and modernize legacy components to simplify architecture and improve maintainability, • Improve testability, CI/CD, deployment reliability, and system observability, • Troubleshoot real-time trade data processing and integration issues, • 5+ years of professional Java experience, • Strong CS fundamentals and problem-solving ability, • Proficient with SQL and generic scripting, • Proficient with Linux server environments, • Background in CI/CD, infrastructure automation, and monitoring, • Experience working with large, interconnected systems and debugging across components, • Proven ability to simplify complex systems and improve deployment/testability, • Strong communication skills and team orientation, • Demonstrated ownership mindset and strong work ethic; ability to think clearly under complexity and ambiguity, • Experience in financial systems (trading lifecycle, middle office, etc.)

Summary • Salary band: £85,000 - £115,000, • Equity options: 0.05% - 0.15%, • Hybrid working policy: Mandatory minimum three days a week in our Holborn office, • Experience level: At least six years in commercial software engineering, • On-call: Engineers are expected to be on-call at least one week per month If you're looking to join an exceptional, fast-paced, and growing team building innovative products in FinTech, check out the full job description below and apply! Mission Our mission is to make stocks and options more accessible for the on-the-go investor, through an easy-to-use and intuitive mobile investment app, opening up access to the options market, which was once reserved for the wealthiest investors. We focus on a specialised segment of the UK investor market, as options are a high-risk and complex investment product that may not be suitable for every investor. The role The Investa app was installed over 1,000 times within the first 24 hours of our priority access launch and we’re now looking for an extremely strong Senior Software Engineer to strengthen our engineering team as we scale. You will have extensive commercial experience designing, building and maintaining systems used in critical services or those handling significant volumes of activity. You will play a crucial role in building key parts of our platform and apps, ensuring the robustness, scalability, and security of our systems. If you’re passionate about building best-in-class products to tackle complex challenges and you excel in a collaborative, fast-paced environment, we want to hear from you. This is a hybrid full-time position, which requires three days per week in our central London office, offering the opportunity to build a new options trading platform. What the role involves • Designing, building, and maintaining robust, scalable, and secure systems for critical, • services, • Continually improving system performance, reliability, and security, • Collaborating with cross-functional teams to build a class-leading product, • Mentoring and guiding engineers, fostering a culture of continuous learning and, • improvement, • Ensure best practice through example and continual team feedback, • Root causing real-time production issues in a timely manner, • Taking a pragmatic approach to software development, • Your background, • Proven track record working with critical services or high-volume applications, • Strong proficiency in a number of programming languages, which can include Python,, • TypeScript, Java, JavaScript, Go and others, • Highly driven by technology with experience across multiple platforms, • Familiarity with serverless technologies (AWS, Azure or GCP), • Strong understanding of system architecture, event-driven design and distributed, • systems, • Product-minded and able to work to solutions that are tightly aligned with the product, • goals, • Driven and committed to helping grow the organisation Your background • Proven track record working with critical services or high-volume applications, • Strong proficiency in a number of programming languages, which can include Python, TypeScript, Java, JavaScript, Go and others, • Highly driven by technology with experience across multiple platforms, • Familiarity with serverless technologies (AWS, Azure or GCP), • Strong understanding of system architecture, event-driven design and distributed systems, • Product-minded and able to work to solutions that are tightly aligned with the product goals, • Driven and committed to helping grow the organisation Compensation • £85,000 - £115,000 salary range, tailored to level of experience, • 0.05% - 0.15% of company shares to be granted in tax-efficient equity options, to provide, • ownership of the business, • Salary review to take place on an annual basis, • Additional equity options to be granted based on performance, tenure and milestones On-call All engineers at Investa are involved in providing support for our products. This involves responding to events outside of working hours and is a core part of the role of all engineers. Interview process Introductory chat with one of the founding team (20 mins) Introductory chat with the CTO (20 mins) • Stage 1: Technical interview (75 mins), • Stage 2: Technical interview (75 mins), • Stage 3: Behavioural interview (45 mins), • Offer

Senior C++ Software Engineer - Architect Are you a postive person who looks to continously improve themselves, their Code and ways of working? Would you like to see your Code make our World a better place for all? How would you like to contribute to a Multi Award Winning Company, who’s products serve the greater good for all of Human kind.? Where your contribution will be recognised and rewarding for working on innovative sustainable solutions for a better world. You will get to take a lead, mentoring and coaching within the R&D team for design and development for system control software. You inturn will be supported by an understanding manager who gives clear direction, trust, and support allowing you to and the team to thrive. They remove barriers, recognise contributions, and invest in your growth. From over 15 years experience working with them, I would say that above all, they empower others to succeed while creating a culture of trust and collaboration. Some Cool stuff that you will work with and integrate with :- **C++, C, C#, Python **Windows/Linux, XILINX **SCRUM, SAFe, AZURE DevOps, CI/CD, GIT **UI, UX, GUI, JavaScript, Angular, React, NodeJS **Python, PyQT, **IIOT, Industrial Internet of things, Computer Vision, PLC, Embedded Devices, Allen Bradley Send me your CV now for an Interview

Embark on a transformative journey as an Infrastructure Engineer Production Network Engineering at Barclays, where you spearhead the evolution of our digital landscape, driving innovation and excellence. You'll harness technology to revolutionise our digital offerings, ensuring unparalleled customer experiences. Production Network Engineering is a new mission aligned operating model within the newly formed Network Product Design & Engineering domain at Barclays. Network Product Design & Engineering is responsible for the design, build and run of the underlying strategic network infrastructure platforms and the over-the-top connectivity products and services that enable systems, colleagues, guests and partners To be successful in this role as an Infrastructure Engineer - Production Network Engineering, you should possess the following skillsets: • Extensive experience as an individual contributor in the design, build and operate of Telco hardened virtual infrastructure ecosystems such as Openstack, Kubernetes, QEMU, KVM, HCI spanning Cloud Platforms for example Public, Edge, Private and uCPE Platforms for example x86, Arm CPU architectures to enable the delivery of heterogeneous network systems, products and services at enterprise scale, • Deep understanding of open-source networking technologies such as kernel (including eBPF, AF_XDP), OVS, OVN, SoNIC, DENT, Switchdev, ONF stack, Iwd, NetworkManager, including data path acceleration protocols and interfaces such as RDMA, RoCE, iWARP, NVMe, SR-IOV and DPDK, alongside familiarity with Cloud Native Functions and Container Networking Interface plugins, • Experience in multi-layered IP Network engineering including good experience in network programming / automation, IaC, configuration management tools and data modelling such as RESTCONF, NETCONF/YANG, Python, Shell, Ansible, Saltstack, Terraform, CloudFormation, ARM; with demonstrable experience of DevOps, agile methodologies and CI/CD pipelines Some other highly valued skills include: • Knowledge working in Network and infrastructure operational product engineering and knowledge of classical network element management, SDN Controllers and ETSI MANO. CCNP, VMWare VCP, RHCE or equivalent certification an added advantage., • Experience in performance and security engineering including experience with concepts of zero trust networking and a familiarity of Application Layer Network Protocols - HTTP/HTTPS, TLS/SSL, DNS, DHCP, etc. an added advantage, • Skilled in lifecycle management of network products and services including requirements analysis, platform selection, technical architecture design, service design & development, testing and deployment at scale, including proficiency in Agile Methodologies Scrum/Kanban, backlog and workflow mgmt. and SRE specific reporting (MTTR, deployment frequency, SLO etc) You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills. This role is based in our London office. Purpose of the role To build and maintain infrastructure platforms and products that support applications and data systems, using hardware, software, networks, and cloud computing platforms as required with the aim of ensuring that the infrastructure is reliable, scalable, and secure. Ensure the reliability, availability, and scalability of the systems, platforms, and technology through the application of software engineering techniques, automation, and best practices in incident response. Accountabilities • Build Engineering: Development, delivery, and maintenance of high-quality infrastructure solutions to fulfil business requirements ensuring measurable reliability, performance, availability, and ease of use. Including the identification of the appropriate technologies and solutions to meet business, optimisation, and resourcing requirements., • Incident Management: Monitoring of IT infrastructure and system performance to measure, identify, address, and resolve any potential issues, vulnerabilities, or outages. Use of data to drive down mean time to resolution., • Automation: Development and implementation of automated tasks and processes to improve efficiency and reduce manual intervention, utilising software scripting/coding disciplines., • Security: Implementation of a secure configuration and measures to protect infrastructure against cyber-attacks, vulnerabilities, and other security threats, including protection of hardware, software, and data from unauthorised access., • Teamwork: Cross-functional collaboration with product managers, architects, and other engineers to define IT Infrastructure requirements, devise solutions, and ensure seamless integration and alignment with business objectives via a data driven approach., • To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures.., • If managing a team, they define jobs and responsibilities, planning for the department's future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements.., • If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others.., • OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions.., • Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment., • Manage and mitigate risks through assessment, in support of the control and governance agenda., • Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does., • Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business., • Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies., • Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions., • Adopt and include the outcomes of extensive research in problem solving processes.

Join us as a Principal Engineer for CIAM at Barclays, where you will support the acceleration of a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams, to ensure a collaborative team culture is at the heart of what we do. To be successful in this role you should have: • Strong hands-on experience in the configuration, deployment and running of ForgeRock COTS based IAM solutions (PingGateway, PingAM, PingIDM, PingDS), including designing and implementing cloud-based, scalable and resilient IAM solutions for large corporate organisations., • Experience with IAM engineering experience across authentication, authorisation, single sign-on, multi-factor authentication, identity lifecycle management, OAuth2.0, OpenID Connect, SAML and policy management, • Expertise with JavaScript, Java, Python, and must be comfortable with API and microservices development., • Strong working knowledge of Site Reliability Engineering principles, • Experience in DevSecOps - knowledge of Product Operating Model, • Knowledge of Infrastructure as a Code tooling (Chef is essential, Ansible is a plus), containerization, • knowledge of authentication and biometric system design is highly desired. This role will be based out of our London office. Purpose of the role To drive technical excellence and innovation by leading the design and implementation of robust software solutions, providing mentorship to engineering teams, fostering cross-functional collaboration, and contributing to strategic planning to ensure the delivery of high-quality solutions aligned with business objectives. Accountabilities • Provision of guidance and expertise to engineering teams to ensure alignment with best practices and foster a culture of technical excellence., • Contribution to strategic planning by aligning technical decisions with business goals, anticipating future technology trends, and providing insights to optimize product roadmaps., • Design and implementation of complex, scalable, and maintainable software solutions, considering long-term viability and business objectives., • Mentoring and coaching to junior and mid-level engineers to foster professional growth and knowledge sharing, elevating the overall skillset and capabilities of the organization., • Collaboration with business partners, product managers, designers, and other stakeholders to translate business requirements into technical solutions and ensure a cohesive approach to product development., • To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/ processes; deliver continuous improvements and escalate breaches of policies/procedures.., • If managing a team, they define jobs and responsibilities, planning for the department's future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements.., • If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others.., • OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi-year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions.., • Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment., • Manage and mitigate risks through assessment, in support of the control and governance agenda., • Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does., • Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business., • Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies., • Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions., • Adopt and include the outcomes of extensive research in problem solving processes.