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We’re partnering with one of the UK’s most respected residential developers to appoint a Development Manager to take a key role in delivering a large-scale, multi-phase regeneration development. You will play a key part transforming brownfield land into a thriving new neighbourhood of over 1,600 homes alongside new community facilities, public realm and local infrastructure upgrades. This is a pivotal opportunity to work on the land, planning and delivery of the first major phase (c.650 mixed-tenure homes) and help shape one of London’s most strategically backed regeneration programmes. The Role As Development Manager, you’ll: • Lead development activity through all key stages: design, planning, tender and delivery interface, • Manage relationships with local authority, housing association partner and wider stakeholders, • Support commercial, technical and construction teams to ensure programme and viability are maintained, • Contribute to placemaking, sustainability and value-engineering strategies across the masterplan, • Work closely with senior leadership to optimise tenure mix and phase handovers What We’re Looking For • Experience working on residential development within a developer, HA partner or main contractor environment, • Solid understanding of mixed-tenure regeneration, planning processes and stakeholder management, • Confident communicator with the ability to influence internal and external teams, • A proactive mindset with passion for delivering high-quality, community-focused schemes What’s on Offer • Competitive package: Up to £70k + £6.5k car allowance + bonus, • Private healthcare, pension and generous holiday allowance (up to 30 days + BHs), • Opportunity to work on a career-defining regeneration from front end stages through to delivery

Quantitative Developer Industry: Energy / Commodities / Trading Technology Location: London - Hybrid Salary: £100-160,000 Base Salary + Market-Leading Bonus Potential X4 Engineering are delighted to partner with a leading commodities trading group who are seeking a Quantitative Developer to join their high-performing Pricing & Risk Technology function. The team builds and maintains the core valuation engines that support trading, risk, and quantitative research across energy markets and equities. In the role, you will drive the development and enhancement of the firm’s Python-based pricing library, the backbone of real-time and end-of-day analytics. You’ll work closely with quants, traders, and risk technologists to deliver fast, accurate, and scalable models for both vanilla and structured derivatives across Oil, Power, Gas, and Equity products. You will take ownership of implementing complex pricing models, designing calibration routines, integrating market data, and ensuring robust model performance in live trading environments. This position is well suited for someone who blends strong quantitative expertise with production-grade engineering skills and enjoys solving sophisticated modelling challenges. Key Requirements • 5–10 years’ experience in quantitative development, model engineering, or trading technology., • Advanced degree (Master’s or PhD) in Mathematics, Physics, Financial Engineering, or a closely related quantitative discipline., • Advanced Python engineering capability (inc. NumPy/SciPy/Pandas)., • Strong understanding of derivatives pricing theory., • Background working with commodity or equity options, including structured derivatives., • Solid understanding of Greeks, risk measures, and valuation impacts in front-office contexts., • Exposure to cloud compute or CI/CD tooling (AWS, Docker/Kubernetes, Git/Jenkins)., • Experience supporting pricing models in live production environments is highly desirable. This role offers the opportunity to influence mission-critical pricing infrastructure used globally, while contributing to innovation in modelling, calibration, and performance optimisation. If you're interested in exploring this opportunity, please get in touch or apply directly via the job advert.

The Opportunity We’re a well-funded pre-seed startup on a mission to improve the happiness and wellbeing of people across the globe. Ember is a relationship wellness app that enables couples to strengthen and enhance their connection, communicate more effectively, and cultivate healthier partnerships. The app helps couples develop a deeper understanding of one another, while facilitating better communication, resolving conflicts constructively, and strengthening emotional intimacy. Built on years of relationship coaching experience from co-founder and relationship coach Ellie Baker, and grounded in relationship science, Ember is intentionally designed to meet couples at any stage of their journey– supporting them through the good times, the bad times and the 'just okay, but it could be better' times. Powered by AI, Ember's platform analyzes a couple's existing communication patterns to deliver personalized guidance and support, functioning as a tool that gets couples talking in real life, not just through their devices. The app helps couples create space each day to connect and grow together through structured conversations, daily rituals, and insights that help create meaningful moments. In a world where people track and optimize every aspect of life as individuals: sleep, fitness, nutrition, productivity — Ember focuses on strengthening the thing that can have the biggest impact on happiness and personal growth: your relationship with your partner. We’re in stealth(ish) mode, this is the chance to be one of the founding employees, working alongside an experienced founding team to significantly help shape the product and business we’re building. We have been running in beta for 6 months now and are getting amazing consumer feedback, plus extremely encouraging CACs and retention. Who you’ll be working with James Hind previously the founder of carwow, and ran it for 14 years. It has now had 2m+ consumers buy and sell cars through it, $100m+ annual revenues, employs 600 people and gets 1bn annual YouTube views. Backed by Accel, Balderton, Bessemer and many more. Now on the board at carwow, and Bumper (Series-B fintech). Ellie Baker is an experienced couples coach and relationship expert. MA in Psychology from the University of Oxford. Nick Kuh, who was Director of Engineering at ASquared and founder of multiple app startups Rafał Radziszewski, experienced Ruby and Elixir developer, ex Team Lead at v7. Co-founded startup before Josie Nelder, experienced Full Stack Developer at Habitual, ASquared and Matchbox Mobile Adnan Ebrahim, founder of MindLabs (£6m+ raised) and of CarThrottle, acquired by Dennis Publishing We’re well funded We’re backed by a well-known VC, and multiple useful tech angels. The vast majority of Ember’s funding came from carwow’s early investors. We closed out pre-seed round in Summer 2025. We have a big vision and mission We’re building a product that will improve the happiness and wellbeing of people around the world. We love the fact that the bigger we get, the more people we’ll be directly helping. Our growth will directly translate to making couples happier. The Role As our only designer, you will be a hugely key part of the team, working very closely with all of us to shape the product. This is initially an extremely hands-on role, and the right person will grow with us. Areas of work: Product Design • End-to-End Ownership: Lead the entire design process from initial discovery and wireframing to high-fidelity UI and developer handoff, • Strategic Leadership: Partner directly with the founders to define the "what" and "why" behind every feature we build., • Cross-Platform Consistency: Ensure a seamless, cohesive experience across our mobile apps and web platform., • User Research & Insights: Work very closely with our founders who do a lot of user research already.. Conduct user interviews, run usability tests etc.., • Brand Evolution: Take our existing brand identity and adapt it as the product evolves, ensuring our visual language is modern and resonant., • Design Systems: Build and maintain a scalable design system that allows our engineering team to move fast without sacrificing quality. What we’re looking for: • A Full-Stack Designer: Since you are the only designer, we need a "generalist-specialist." You should be equally comfortable mapping out complex user flows (UX) as you are crafting beautiful, high-fidelity interfaces (UI) and polishing our visual brand., • A Strategic Thinker: You don't just take orders; you ask "Why?" You want to understand the business goals and the "jobs to be done" before you ever open Figma., • User-Centric Rigor: You are obsessed with the "why" behind user behavior. You have a proven process for conducting lean user research, synthesizing feedback, and turning it into product improvements., • Data Literacy: You are comfortable looking at a Funnel or Heatmap. You use quantitative data to validate your design hypotheses and aren't afraid to pivot when the data shows a feature isn't working., • Leadership & Autonomy: You have experience leading design at some capacity. You can manage your own roadmap, set design standards, and communicate your vision clearly to engineers and founders alike. What would be super impressive? • You’ve previously founded your own startup (even if it failed!) or were a founding designer at an early-stage company. You understand the "zero-to-one" phase and the need for speed Interview process • Initial Screen with James Hind, Founder, • Technical Interview with Nick (Front End Lead) and Josie (Front End Lead), • Task Interview - James Hind (Founder) and Ellie Baker (Founder) Why join us? • Shape the Future: Be one of our founding employees, with a real say in product and strategy, • High-Impact Mission: Every user we gain is someone whose day-to-day life can be made happier, • Experienced Founder and team: Learn from and grow alongside seasoned founders and team who’ve built large-scale companies, • Remuneration: We can afford to pay a competitive market salary and give generous founding employee equity Remuneration • £80-100k plus generous founding employee equity Location • London - We meet once a week in central London, remote the rest of the week

Who We Are? ITC Infotech is a leading global technology services and solutions provider, led by Business and Technology Consulting. ITC Infotech provides business-friendly solutions to help clients succeed and be future-ready, by seamlessly bringing together digital expertise, strong industry specific alliances and the unique ability to leverage deep domain expertise from ITC Group businesses. The company provides technology solutions and services to enterprises across industries such as Banking & Financial Services, Healthcare, Manufacturing, Consumer Goods, Travel and Hospitality, through a combination of traditional and newer business models, as a long-term sustainable partner. What we are looking for? We are seeking a talented and experienced Full Stack Developer to join our dynamic team. The ideal candidate should have expertise in front-end development using React and Next.js, as well as proficiency in back-end development with Spring Boot, GraphQL, and Velocity scripts. Additionally, hands-on experience with AWS and continuous integration using Jenkins is crucial for success in this role. Key Responsibilities: Front-End Development: Develop and maintain responsive and user-friendly web applications using React and Next.js. Collaborate with UI/UX designers to implement design specifications and ensure a seamless user experience. Back-End Development: Design, implement, and maintain server-side components using Spring Boot for efficient and scalable solutions. Implement GraphQL for optimized API interactions and data fetching. Database Integration: Integrate databases and ensure data security and integrity. Optimize database queries and performance to enhance overall application efficiency. API Development: • Develop and maintain RESTful APIs for seamless communication between the front-end and back-end systems., • Implement GraphQL APIs for enhanced data querying capabilities. Velocity Scripts: • Utilize Velocity scripts to enhance server-side rendering and dynamic content generation. Cloud Services: • Deploy and manage applications on AWS, utilizing services such as EC2, S3, Lambda, and more., • Implement best practices for security and scalability in cloud environments., • Continuous Integration/Continuous Deployment (CI/CD):, • Set up and maintain CI/CD pipelines using Jenkins for automated testing and deployment., • Ensure code quality and perform regular code reviews. Collaboration and Communication: • Collaborate with cross-functional teams, including UI/UX designers, product managers, and QA engineers., • Communicate effectively with team members and stakeholders to gather requirements and provide updates on project status. Qualifications: • Bachelor’s degree in computer science, Software Engineering, or a related field., • Proven experience as a Full Stack Developer with a focus on React, Next.js, Spring Boot, and GraphQL., • Strong proficiency in front-end and back-end technologies., • Experience with Velocity scripts and API development., • Familiarity with AWS services and cloud architecture., • Hands-on experience with Jenkins and CI/CD pipelines., • Strong problem-solving skills and attention to detail. Preferred Skills: • Familiarity with containerization technologies such as Docker and orchestration with Kubernetes., • Knowledge of agile development methodologies., • Experience with performance optimization and troubleshooting. Our X-Factor • Work ethic: You are a consummate professional., • Aptitude: You have an innate capacity to transition from project to project without skipping a beat., • Communication: You have excellent written and verbal communication skills for coordination across projects and teams., • Impact: You are a critical thinker with an emphasis on creativity and innovation., • Passion: You have the drive to succeed paired with a continuous hunger to learn., • Leadership: You are trusted, empathetic, accountable, and empower others around you.

Full Stack Developer (SC Cleared) Public Sector Consultancy Location: UK (Hybrid/Remote options depending on project) Security Clearance: Active SC Clearance (or higher) required Salary: £45,000 – £75,000 (dependent on experience) +18% bonus Level: Mid to Senior We are working with a fast-growing Data-Focused consultancy delivering impactful digital solutions across the public sector. They work on meaningful, long and short-term programmes supporting government and public bodies, with a strong focus on modern engineering practices and real-world outcomes. Due to continued project demand, we are looking for SC-cleared Full Stack Developers to join. The Role You will work as part of multidisciplinary agile teams, building and maintaining secure, scalable applications for public sector clients. This is a hands-on role offering exposure to modern architectures, cloud environments, and complex data-driven systems. Key Responsibilities • Design, develop and maintain full stack applications in secure environments, • Contribute across the software development lifecycle, from requirements through to deployment, • Collaborate closely with product owners, designers, and other engineers, • Ensure solutions meet public sector security, performance, and accessibility standards, • Support continuous improvement through code reviews and best practice Required Experience • Active SC Clearance (or eligibility at minimum), • Proven full stack development experience within the UK public sector, • Cloud experience (AWS, Azure, or GCP), • Strong experience with Java or Python, • Front-end experience using modern JavaScript frameworks (e.g. React, Angular, Vue), • Familiarity with RESTful APIs, databases, and version control, • Experience working in agile delivery environments Desirable • DevOps or CI/CD exposure, • Experience working in a consultancy or client-facing environment What’s On Offer • Meaningful bonus, • Personal careers coach, • Opportunity to work on high-impact public sector programmes, • Supportive consultancy environment with clear progression, • Exposure to modern technologies and complex, meaningful projects If you are an SC Cleared Full Stack Developer looking to work on challenging public sector projects within a collaborative consultancy environment, we’d be keen to hear from you.

Applications Developer We are on the lookout for a versatile, forward-thinking Applications Developer who excels in developing high-performance web, mobile, and client-server applications, and who takes a proactive approach to technology trends in the legal industry to meet evolving business needs. • Salary to £80,000, • Hybrid working (4 days in the office / 1 day WFH), • 09:30-17:30 (Monday-Friday), • £100 monthly employee contribution that can be used for lunch or other expenses, • Free lunch every Wednesday, • Discretionary bonuses, and more! Key Responsibilities of the Applications Developer: • Design, develop, and maintain custom web applications and SharePoint solutions., • Implement responsive and user-friendly front-ends using client-side frameworks., • Develop and optimize SQL databases to support application needs, ensuring performance, integrity, and scalability., • Use low-code development platforms such as PowerApps, Power Automate, PatternBuilder, and Fliplet to design and implement custom applications that improve business processes and workflow efficiency., • Lead project development efforts and ensuring best practices in software development are followed., • Provide high-level technical support and training to users., • Identify, troubleshoot, and resolve issues related to the managed platforms. Skills & Requirements of the Applications Developer: • 3+ years’ experience in software development with a strong focus on SharePoint, SQL Server, and the .NET environment within a law firm., • Bachelor’s degree in Computer Science, Information Systems, or a related field is highly advantageous., • Proficiency in administration and development of SharePoint., • Strong knowledge of programming language with expertise in web development., • Experience with client-side and front-end frameworks such as jQuery, Bootstrap, React, and Angular.

Job Title: Senior Java Developer – Livelink (OpenText) Implementation Specialist Location: London, UK (Hybrid/On-site as required) Employment Type: Full-Time Team: Engineering / Integration Services / Digital Content Management 🧠 About the Role We are seeking an experienced Senior Java Developer with deep expertise in Livelink / OpenText Content Server implementation, integration, and customization. The ideal candidate will design, build, and support scalable enterprise solutions leveraging Java technologies and Livelink APIs for large-scale document/content management environments. 📘 Key Responsibilities Technical Delivery • Lead the implementation and enhancement of Livelink / OpenText Content Server solutions., • Design, develop, and deploy Java-based integrations between Livelink and internal/external enterprise systems., • Create reusable components, frameworks, and integration patterns., • Analyze business requirements and translate them into technical solutions., • Define solution architecture, integration approaches, and best practices., • Evaluate feasibility and impact of new features and technologies., • Troubleshoot, debug, and resolve Livelink platform and Java application issues., • Perform performance, tuning, and optimization of integrations., • Apply CI/CD practices using tools like Jenkins, Git, Maven/Gradle., • Write unit and integration tests; support automated testing pipelines., • Work with cross-functional teams: Business Analysts, QA, DevOps, UX, Project Managers. Technical • Java (8+) development expertise., • Strong experience with Livelink / OpenText Content Server:, • Customization using LAPI (Livelink API), Web Services, DFC, REST., • Implementation in enterprise environments., • Experience building integrations with systems such as ERP, CRM, workflow engines., • Familiarity with:, • Spring/Spring Boot, • REST APIs, • XML/JSON, • SQL & NoSQL databases, • Version control (Git), • Build tools (Maven/Gradle), • CI/CD automation (Jenkins, GitLab CI), • Excellent analytical and problem-solving skills., • Strong communication skills with ability to work with technical and business stakeholders., • Bachelor’s/Master’s degree in Computer Science, Engineering, or equivalent., • 5+ years of professional Java development experience., • Experience with:, • OpenText Content Suite Platform, • Workflow automation tools, • Cloud migrations (Azure/AWS), • Livelink upgrades/patching in production environments, • Certifications in Java, OpenText, or related technologies

Senior Software Developer (Golang) | £550-600/day | Inside IR35 | SC Cleared | 6 month-contract | We are seeking an experienced Senior Software Developer to join a highly skilled digital delivery team working on large-scale government transformation projects. You’ll be joining a multi-disciplinary environment where experimentation, collaboration, and continuous improvement are core to how the team operates. This role suits someone who is confident in their technical delivery, enjoys solving complex problems, and is passionate about improving user outcomes. You’ll work closely with designers, researchers, engineers, and product specialists to deliver high-quality, secure, user-centred digital services. Active SC clearance is required. Applicants without current SC cannot be considered. Key Responsibilities • Build high-quality digital services aligned with UK government service standards., • Collaborate within Agile, multi-disciplinary teams (engineering, UX, research, product)., • Contribute to product discovery through observation, experimentation, and rapid feedback loops., • Support continuous improvement with frequent releases and iterative delivery., • Develop reliable, maintainable code and contribute to architecture discussions., • Participate in code reviews, debugging, testing, and DevOps practices.Essential Skills Ways of Working, • Experience delivering digital services in Agile environments., • Strong background working in product-led, user-research-driven teams., • Comfortable operating in high-paced delivery environments with frequent releases., • Experience working within DevOps-driven, collaborative teams.Technical Skills, • Strong experience building and debugging systems in Golang., • Knowledge of Spring Boot., • Front-end experience with HTML, CSS, Bootstrap., • Containerisation: Docker, Kubernetes., • Build tools: Maven, Gradle, Ant., • Version control: Git (branching, merging, release flows)., • Testing: TDD, JUnit, Mockito, Cypress., • Good understanding of relational databases (MySQL, PostgreSQL), SQL scripting, stored procedures., • Experience with functional test automation (API/UI test tools such as Cucumber, Nightwatch).Nice-to-Have Skills, • AWS cloud experience., • Experience with BPMN workflow engines (Camunda, Activiti, Flowable)., • Experience using React, Angular or Vue.js., • Container orchestration using RedHat OpenShift., • Awareness of NCSC cloud security principles.Clearance Requirements, • Active SC clearance required., • Candidates must have the right to work in the UK and at least 5 years of continuous UK residency.Rate & Engagement • £550- £600 per day, • Inside IR35, • 2 days a month on-site, • 6 month initial contract If you meet the essential requirements and you're interested in this opportunity - we’d still like to hear from you!

Potensis Selection is thrilled to partner with a fantastic London based residential developer who are looking to add to their existing commercial team by adding in a Senior Cost Planner. Reporting to the Commercial Director, you will effectively manage a team of surveyors and estimators, taking overall responsibility of a number of developments, including regeneration schemes and projects that have multiple phases. Effectively manage costs, ensure targets are met by managing and controlling the budget and valuations, including monthly updating of the estimated final costs, overall responsibility for all sub-contractor procedures and processes, and materials and goods if necessary, Responsibilities include: • Management/oversee of front-end commercial operations including bidding, land purchase, cost planning, design control, budget management, supply chain management/engagement, procurement strategy, and support of procurement activities to point of contract, • Drive consistency of all front-end activities that support and enhance commercial teams in procurement and ultimately securing smoother delivery, • Enhance collaboration with relevant departments including planning, buying, procurement, commercial and design management teams, • Ability to support all stages of pre-contract design (typically RIBA stages 0-3) with the aim of optimising design efficiency and procurement activities all the way through to gateway approval., • Support in the careful consideration of the golden thread and BSA gateway strategy for each project and tying this back to the project procurement strategy, identifying the correct supply chain that can truly deliver the requirements, • Identification and pricing of project specific risks and opportunities from outset; preparation of mitigation strategies and contingency advice to inform commercial appraisal, • Strategic management of supply chain - early engagement to drive greater cost certainty and up to date rates, tracking of supply chain exposure and management of relationships, • Tracking and analysis of inflation indices to allow informed forecasts to be developed and held in cost plans, • Early engagement of supply chain where unfamiliar risks are identified, and no in-house expertise exist, • Benchmarking of cost data and design metrics across all projects to support cost planning and provide context to board of current schemes in pre-contract stages, • Explore London specific cross regional standardisation and sharing of cost data, benchmarking, and design metrics to provide greater understanding of the wider market and what ‘excellent’ looks like. This would involve working with other regions to collaborate and share to benefit the wider business, • Collation of final account data to understand historic risk expenditure and feeding this back to front end cost planning activities, • Upskill cost planning teams on presentation tools and cost plan templates to drive consistency and clearer understanding across the business of build cost data, risks, opportunities, design metrics and benchmarking This is an excellent opportunity to work for a leading mixed use developer with an excellent pipeline of future projects.

Overview We are seeking an experienced Senior Java Developer to join our fast-growing consultancy team of 300+ professionals. This role blends advanced technical expertise with strong communication, stakeholder management, and leadership skills. You will work closely with clients to understand their needs, design high-quality solutions, and deliver exceptional technical outcomes. As a senior consultant, you will guide teams, contribute to architectural decisions, and ensure successful project delivery. Key Responsibilities Technical Delivery • Design, develop, and maintain Java-based applications using modern frameworks, best practices, and AI technologies., • Implement scalable architectures, RESTful services, microservices, and integration layers., • Produce clean, maintainable, and well-tested code., • Collaborate with clients to gather requirements, define scope, and translate business needs into technical solutions., • Present technical concepts clearly to non-technical stakeholders., • Build strong client relationships, ensuring satisfaction and trust., • Lead and mentor junior and mid-level developers., • Participate in project planning, estimation, and delivery oversight., • Facilitate code reviews and ensure adherence to quality standards., • Contribute to solution architecture and high-level design decisions., • Support agile processes, including sprint ceremonies., • 5+ years of Java development experience., • Strong expertise in Java 8+, Spring frameworks, JAX-RS, JAX-WS, Hibernate, JPA., • Experience with microservices and distributed systems., • Full-stack development experience., • Knowledge of REST APIs, Kafka/RabbitMQ, SQL/NoSQL., • Experience with CI/CD and cloud platforms (Azure or AWS)., • Excellent verbal and written communication., • Ability to explain technical topics to non-technical audiences., • Strong client-facing presence., • Strategic problem-solving mindset., • Adaptability, ownership, and teamwork., • Consultancy experience., • Docker/Kubernetes exposure., • Event-driven architecture knowledge., • Front-end experience (React, Angular, or similar)., • Relevant certifications.

Full-Stack Developer - Finance Technology (Java, Spark, Cloud) - Global Investment Bank We’re hiring a Full-Stack Developer to join a high-impact Finance / Regulatory Technology team within a leading global investment bank working on business-critical regulatory reporting platforms. You’ll help modernise legacy systems and build strategic, cloud-based data solutions used across the firm. You’ll work in a collaborative Agile squad focused on Java services, Spark data pipelines, and cloud transformation, partnering closely with Finance and Regulatory teams. Key Responsibilities • Build and enhance full-stack applications for regulatory and financial reporting, • Develop Java backend services and Spark-based data pipelines, • Modernise platforms to cloud-native architecture, • Work with large, complex datasets in an Agile environment, • Contribute to CI/CD, DevOps, and automated testing Skills & Experience • Full-stack development experience, • Java (Scala exposure a plus), • Spark / distributed computing, • Azure Cloud, • Relational or cloud databases (Snowflake, Sybase), • Front-end frameworks (Angular or similar), • Unix/Linux, Agile, DevOps experience

About Locai Labs Locai Labs is The British Foundational AI Company, based in Paddington, London. We are dedicated to building world-class large language models at the forefront of cost, efficiency, and capability. Our mission is to advance cutting-edge AI from within the UK by combining deep technical innovation with engineering excellence, creating scalable models and intelligent systems that power next-generation applications for consumers and enterprises alike. Our work spans across: • Foundational AI model development, • Bespoke agentic applications for enterprise and consumer domains, • APIs and developer tools that enable intelligent automation The Role We are seeking a Software Engineer (Backend, AI Systems) to design and build the backend systems, APIs, and tools that power Locai Labs’ AI models and agentic platforms. You will work on a diverse range of challenges, from model-serving APIs and data pipelines to infrastructure for intelligent agents and automation frameworks. This is a hands-on engineering role for someone who enjoys solving complex technical problems and shipping impactful products. You will collaborate closely with the CTO and engineering team to design, build, and scale production systems that integrate AI into real-world applications. Responsibilities • Design and develop backend systems and APIs for AI-driven products and agent frameworks, • Integrate LLMs into scalable, production-ready systems, • Build internal tools and services to manage agents, workflows, and orchestration logic, • Collaborate with frontend, infrastructure, and research teams to deliver cohesive product experiences, • Contribute to system architecture, technical design, and engineering best practices, • Write clean, maintainable, and well-tested code Required Experience • 2–5 years of professional software engineering experience, ideally working on backend systems, APIs, or AI-related products, • Proficiency in Python and JavaScript/TypeScript (Node.js), • Strong understanding of backend architectures, REST/GraphQL APIs, and data modelling, • Experience with containerisation (Docker) and cloud platforms (GCP, AWS, or similar), • Familiarity with LLM or AI APIs, • Exposure to agentic frameworks (LangChain, LlamaIndex, Semantic Kernel, etc.), • Practical experience with databases (SQL / NoSQL), • Strong foundation in software design principles and systems thinking, • Comfortable working in a fast-paced, early-stage start-up environment with ownership and autonomy Nice to Have • Experience with vector databases or embedding pipelines, • Understanding of event-driven or real-time systems (Kafka, Pub/Sub, etc.), • Knowledge of API authentication, access control, or multi-tenant architectures, • Familiarity with React or other front-end frameworks (for internal tools), • Interest in applied AI research, model fine-tuning, or reasoning agents Environment and Culture You will join a small, highly technical team where your contributions directly shape the company’s technology and products. We value ownership, curiosity, and pragmatism; every engineer at Locai Labs helps define architecture, infrastructure, and product direction. You will work on-site at our Paddington HQ, collaborating closely with the CTO and engineering team in a transparent, fast-moving, and innovation-focused environment. Application Process • Application Review – We evaluate your background and experience., • Take-Home Technical Assessment – A short exercise to demonstrate your engineering approach., • Technical Interview – Discussion of technical depth, design thinking, and problem-solving., • On-Site Session at HQ – Collaboration exercises and technical discussions with the team., • Offer – Formal offer and next steps. If this sounds like you, we would love to hear from you. Apply directly via the form below: (Strictly no agencies or recruiters. We are only accepting direct applications.)

(Kindly Note: We are only accepting UK based applicants for this role) Battalion is an independent creative digital agency, specialising in developing brands and digital experiences for global 'tech for good’ clients. We are on the hunt for a talented Frontend Developer to join our small, fully remote team as a full-time Frontend Web Developer specialising in Shopify. We are in search of a highly motivated individual with a genuine passion for web development. Your primary responsibility will involve creating and managing Shopify stores tailored to the unique requirements of our clients. This role requires a strong grasp of customizing Shopify themes, ensuring optimal site responsiveness, and achieving maximum speed and scalability through effective optimization techniques. We highly value candidates who are committed to staying updated with the latest front-end development trends and thrive in a fast-paced, agile work environment. Is this role exclusively for Shopify Developers? No, this role is designed for Frontend Web Developers with experience in Shopify. Given the high demand in the market and our rapidly expanding team, you will have the opportunity to work on a wide range of projects, including fully custom WordPress websites, React websites with Express JS and more. Comprehensive training will be provided. This presents an outstanding opportunity to advance your career and broaden your knowledge across multiple domains. Qualifications: • Extensive expertise in Shopify, with a specific emphasis on mastering Shopify Liquid., • This is a client facing role and you must be a good communicator., • Ability to scope projects, • Advanced knowledge of front-end technologies, including HTML, CSS, and JavaScript. Familiarity with CSS preprocessors like SASS is advantageous., • Demonstrated experience in developing custom Shopify themes and enhancing existing ones., • Proficiency with version control systems, particularly git., • Exceptional problem-solving skills paired with meticulous attention to detail., • Outstanding communication and teamwork abilities to facilitate effective collaboration., • Additional experience with PHP, Blade, WordPress, React JS, Next JS, and Express JS is a plus but not mandatory. Opportunities / Benefits: • Opportunities for career growth and development, • A collaborative and creative work environment, • Competitive salary and benefits package., • Access to the latest tools and technologies in front-end development., • Opportunity to collaborate with prestigious global clients, engaging in a variety of high-impact projects across diverse industries., • Flexibility in experimenting with new technologies and methodologies., • Exposure to a variety of additional technologies like WordPress, React JS, Next JS, Vue JS, Nuxt JS, Express JS and others. Salary: £45,000 - £65,000 (Kindly Note: We are only accepting UK based applicants for this role)

TypeScript Developer / Engineer (Full Stack API React) London / WFH to £60k Are you a bright, ambitious technologist who enjoys working with a range of programming languages across the full tech stack? You could progress your career at a scaling Fintech company that has developed a digital distribution platform transforming electronic trading in the institutional FX options market via a central marketplace where institutions can place, discover and match option interests electronically, improving liquidity and efficiency for all participants as the platform scales. What's in it for you: • Salary to £60k, • Stock options, • Excellent career growth, • Remote working Your role: As a TypeScript Developer you will collaborate with a small team of technologists and successful entrepreneurs to design and implement intelligent solutions to business needs, with a focus on TypeScript and Node backend systems but also with frontend work using React and Next.js, you'll be able to pick up new things along the way in a flexible and supportive environment. Location / WFH: There's a remote first policy, with the caveat that you'll meet up with the team in London once every two months, so you can work from home most of the time. About you: • You have TypeScript and Node.js backend development skills - Python is also desirable for data related work, • You have experience with front end technologies, ideally React, Next.js (or similar), • You have experience of developing APIs, • You have a good appreciation of SaaS, Kubernetes, Infrastructure as Code, GitOps, CI/CD practices and Cloud infrastructure (they use GCP but AWS experience is also fine), • You're comfortable in a fast paced, sometimes ambiguous start-up environment with changing priorities, • You have an interest in AI tools and are comfortable using them to improve efficiency, • You're collaborative and pragmatic with great communication skills Apply now to find out more about this TypeScript Developer / Engineer (Full Stack API React) opportunity.

Exceptional opportunity for an experienced Full Stack Developer to join a groundbreaking AI-powered video technology company revolutionising how we capture and experience live events. The future of media is multi perspective, interactive, and AI-driven. London's tech sector is at the forefront of this transformation, where innovative start ups are redefining storytelling through cutting-edge video technology and artificial intelligence. This Senior Full Stack Developer position offers the rare chance to shape the technical architecture of a platform that's changing how millions experience concerts, festivals, sports, and live events worldwide. About the Company This award winning London based technology company is pioneering multi-view video innovation, backed by recognition from Nasdaq, the European Innovation Council, and Innovate UK. Their AI-powered platform enables audiences to explore events from multiple camera angles simultaneously, creating personalised viewing experiences that blend entertainment with intelligent media delivery. Operating at the intersection of video streaming, artificial intelligence, and cloud infrastructure, they're scaling globally across media, events, and brand activations. The Opportunity As Senior Full Stack Developer, you'll serve as a technical leader within the product and engineering team, working directly alongside the CTO, product owner, and founders. This hands-on leadership role combines active development with technical mentorship, architectural decision-making, and Agile process ownership. You'll be the primary technical escalation point whilst remaining deeply involved in building scalable, secure solutions that power next-generation video experiences. Based in London with hybrid flexibility, this role offers genuine influence over both technology choices and engineering culture. Here's what you'll be doing: • Lead full stack development across front-end and back-end systems, translating product vision into robust technical implementations, • Collaborate directly with the CTO to architect scalable solutions and define the technical roadmap supporting long-term growth, • Drive Agile ceremonies and sprint delivery, working closely with the product owner to prioritise features and maintain development velocity, • Act as the main technical escalation resource, troubleshooting complex issues whilst maintaining high code quality standards through reviews and mentorship, • Design and optimise APIs, microservices architectures, and cloud infrastructure for performance, security, and scalability, • Support CI/CD pipelines, deployment processes, and DevOps responsibilities including containerised environments and monitoring systems, • Mentor junior developers, introducing best practices and modern development workflows including AI-assisted coding tools, • Collaborate with AI and R&D teams to integrate emerging technologies in video processing, data systems, and cloud platforms, • 5+ years professional experience as a Full Stack Developer, preferably within start-up or scale-up environments where agility and ownership are essential, • Proven technical leadership experience, whether mentoring developers, leading projects, or driving architectural decisions, • Expert proficiency in JavaScript/TypeScript with modern frameworks such as React, Next.js, or Vue for building responsive front-end experiences, • Strong back-end capabilities with Node.js and Express, plus experience in at least one of C#, Java, or Python for diverse system requirements, • Demonstrated experience designing scalable RESTful APIs, microservices architectures, and both SQL and NoSQL database solutions, • Solid understanding of cyber security principles including secure coding practices, encryption, authentication, and access management, • Hands-on experience with cloud platforms (AWS, GCP, or Azure) and containerisation technologies including Docker and Kubernetes, • Familiarity with CI/CD tools, infrastructure as code, performance monitoring, and modern DevOps practices, • Strong communication skills enabling effective collaboration with technical teams and non-technical stakeholders alike You must have the right to work in the United Kingdom. Visa sponsorship may be available for exceptional candidates. Key perks and benefits: • Competitive salary package between £45,000-£55,000 reflecting your experience and the mid-level market rate for Full Stack Developer roles in London, • Share options available following successful completion of probationary period, giving you genuine ownership in the company's success, • Flexible hybrid working arrangements with options for remote work or London office collaboration based on your preferences, • Direct collaboration with C-level executives and exposure to strategic decision-making in a scaling technology business, • Professional development opportunities to expand your skills in AI, video technology, and cloud architecture The convergence of artificial intelligence and video technology represents one of the fastest-growing sectors in the UK tech industry. Full Stack Developer professionals with experience in cloud platforms, real-time data processing, and scalable architectures are in exceptional demand as companies race to deliver next-generation media experiences. This sector offers continuous learning opportunities, exposure to cutting-edge technologies, and the chance to work on products that millions of people will use. For developers seeking meaningful impact alongside technical challenge, AI-powered media platforms provide the perfect career accelerator in London's thriving tech ecosystem. This exciting Senior Full Stack Developer opportunity in London is brought to you by The Opportunity Hub UK – connecting ambitious tech professionals with career-defining roles in innovation-led companies.

Full Stack Engineer / Developer (Python TypeScript) London / WFH to £120k Are you a technologist with start-up experience looking for your next opportunity? You could be progressing your career at a tech start-up that is producing an AI native data pipelining platform. As a Full Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on backend Python and TypeScript and some React work on the front end. You'll take ownership and work across the full development lifecycle, collaborating with customers to build and scale the product. The work is interesting and complex, you'll be able to contribute to the product vision and strategy playing a pivotal role in the company's success. Location / WFH: You'll join colleagues in the London office (close to Waterloo) with flexibility to work from home twice a week. About you: • You have strong backend Python coding skills, including API development, • You have full stack experience, including TypeScript and React (or another framework), • You have a good understanding of system design and scalability, • You're familiar with other technology in the stack including: AWS, Terraform, Docker, PostgreSQL, DynamoDB, CI/CD, GitHub actions, Blacksmith runners, • You're collaborative and pragmatic with great communication skills, keen to input into technical discussion and decision making What's in it for you: As a Full Stack Engineer you will receive a competitive package: • Salary to £120k, • Equity, • Impactful role with excellent career progression as the company scales, • Hybrid working, • Pension Apply now to find out more about this Full Stack Engineer / Developer (Python TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Full-Stack (Angular + UX Focus) Full-time | Hybrid | Startup Environment Location: Central London Job Summary We’re looking for a motivated and curious Full Stack Engineer to join our early-stage startup based in London. We’re building an industry-specific productivity management tool, AI-powered, supported by strong investment and high-profile partners. In this role, you’ll work closely with the founding team to design and build user-friendly, responsive interfaces for our B2C productivity management web application. This is an exciting opportunity to contribute to a groundbreaking initiative and help shape the future of productivity. You’ll gain hands-on experience, contribute to real features, and grow your skills in a fast-paced, collaborative environment. From refining user journeys to implementing front-end components using modern tools and frameworks, your work will have real impact. What You’ll Do • Build and maintain responsive, user-focused interfaces using Angular and TypeScript, • Design and implement scalable full-stack architectures from scratch, • Develop backend services using Encore TS (experience with Express is highly transferable and sufficient), • Build and consume APIs, ensuring clean data flow between front-end and back-end, • Work with PostgreSQL and Prisma for data modeling and persistence, • Deploy and maintain services on Google Cloud Platform (GCP), • Build and maintain mobile applications using Capacitor, • Style applications using Tailwind CSS (and maintain existing SCSS where needed), • Write clean, maintainable, and efficient code across the stack, • Debug, troubleshoot, and optimize performance for a seamless user experience, • Collaborate closely with the founding team on product decisions, feasibility, and timelines, • Use Git for version control and collaborative development, • Write basic tests to ensure reliability of components and features What We’re Looking For • Experience as a Full-Stack Developer, • Hands-on experience with:, • Angular & TypeScript, • Express.js (or similar Node.js frameworks), • PostgreSQL, • Prisma, • Tailwind CSS, • Google Cloud Platform (GCP), • Capacitor for mobile development, • Comfortable working across both front-end and back-end codebases, • Experience working with APIs and structured data, • Familiarity with Git and common version control workflows, • Proactive, curious, and comfortable working in a small, fast-moving startup team Bonus Points • Experience with Encore TS, • UX or design sensibility, especially for productivity tools, • Familiarity with Figma or similar design tools, • Interest in accessibility and inclusive design, • Experience building personal, freelance, or startup projects Reporting: This position will be reporting directly to the founder. Salary and Benefits: To be discussed during the interview process.

Java Developer / Software Engineer (Java Spring Boot) London / WFH to £65k Are you a Java Developer looking for an opportunity where you can make an impact? You could be progressing your career at a growing US based tech company that provide a platform for gaming and gambling businesses to retain their customer base, as they expand their UK presence. As a Java Developer you will be instrumental in helping the company to bring all tech inhouse; you'll design and develop new features and enhancements to the core platform as well as maintaining and supporting the current systems. You'll be collaborating with the project team and wider organisation, contributing to technical discussions and taking direction from the CTO. Location / WFH: You'll join the team in London three days a week with flexibility to work from home twice a week. About you: • You're a backend focused Java Developer, • You have a good knowledge of Spring Boot and microservices, • You're familiar with AWS, • You have a good appreciation of front end technologies e.g. JavaScript / TypeScript, Angular, HTML, CSS, • You're collaborative and pragmatic with excellent communication skills What's in it for you: • Competitive salary, to £65k, • Continuous career growth and self-development opportunities, • Impactful role at a growing company Apply now to find out more about this Java Developer / Software Engineer (Java Spring Boot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

About the role (£50k-£70k + equity) At Ask Silver, you’ll be helping to tackle one of the most meaningful, but also hardest, problems in society; scams. Every year, millions of people are socially engineered and fall victim to fraud. My dad (I’m Alex, one of the co-founders) was scammed out of most of his life savings, almost £150,000, a few years ago and we’ve spoken to hundreds of victims and their family members. We’re building human-centred technology to keep people safe from scammers 🛡️. Our tools are free for consumers, and paid for by organisations like banks, businesses and governments that face a huge cost in scams. We launched our AI-powered Scam Checker just over a year ago and have already been featured in the BBC, ITV, Daily Mail and hundreds of other media outlets 🗞️. We already signed Metro Bank PLC as our first customer and are onboarding some of the biggest banks in the UK 🏦. As our fourth engineer, you’ll have a huge amount of autonomy to shape what we build and how we build it. From launching new features to experimenting with smarter ways to catch scams, you’ll be solving tricky problems that matter and helping people avoid the stress and heartbreak that scams can cause. What you’ll do 🛠️ • Design, build, and maintain scalable backend services and APIs for our core AI products, • Build and maintain our front end widgets, dashboards and website, • Build robust data processing pipelines and integrations with financial platforms, • Adhere to best practices in security, data handling, and privacy, • Write clean, well-tested code (primarily in Python or TypeScript), • Build LLM systems, experiment, prompt, cutting-edge techniques What we’re looking for 🌟 • 2+ years of experience as a software developer, • Strong skills in Python or TypeScript, • Experience building and maintaining fault-tolerant systems Bonus points ➕ • Startup experience, • Passion projects or personal projects where you’ve built and shipped something end-to-end, • FinTech or financial services experience, • Familiarity with LLM or ML integration in production environments, • Experience with Django (backend) and React (frontend), • Experience working on or developing public APIs What we value ❤️ End-to-end ownership 🛠️ You don’t just wait to be told what to do, you’re invested in building a great product and take full responsibility for delivering value. You always have an idea to tinker with or a bug you’ve spotted that needs some love. Pragmatic problem-solving 🧩 You enjoy complex challenges and you’ve got excellent attention to detail when it matters but you also understand when things need to get shipped quickly and a little more scrappily. Collaboration 🤝 You work closely with founders and teammates. You’re comfortable jumping between product conversations, fast-moving experiments, and careful engineering reviews. Initiative ⚡ You spot opportunities to improve the product or platform and take action without needing to be asked. Curiosity and adaptability 🌱 You’re keen to explore new ideas, technologies, and ways of working. You welcome feedback, challenge assumptions, and grow with the company as it evolves. User focus 👥 We build for people first and foremost. You should care deeply about the user experience and want to build tools that genuinely make a difference. To apply go to and get in touch!

Location: Fully Remote (with London Office Access) Compensation: £28,000 - £35,000 + Performance Based Bonuses Role Type: Junior / Entry-Level (Results-Oriented) About Us We are a small but fast-moving and growing AI consultancy. We value practical skills and a "builder" mindset over years of corporate experience. If you have a portfolio of React projects and an eye for design, we want to give you the platform to build something great. The Role & Culture We are a team that prioritizes delivery over desk-time. We are looking for a developer who takes pride in their work and understands the "startup rhythm." We don't watch the clock, but we do expect our team to be all-in when a project deadline is approaching. What You’ll Do • Frontend Ownership: Build out web dashboards and data visualization tools using React., • UI/UX Design: Take the lead on making our interfaces intuitive and visually appealing., • Product Growth: Work directly with our Senior Architect to connect your frontend to our AI-driven backends., • Deadline Reliability: Show up for the team during critical release windows to ensure we deliver high-quality code on time. Who You Are • React Enthusiast: 1-2 years of experience (personal projects, freelance, or internships). A strong portfolio is essential., • Design-Minded: You care about UI/UX and want to build interfaces people love., • Professional Maturity: You can manage your own time. You are comfortable working shorter days during quiet weeks, provided you are available to step up and go the extra mile during project launches., • Self-Starter: You find solutions independently and don't require constant hand-holding. Growth & Rewards • Rapid Progression: As an early hire, you can quickly move toward a Mid-level role as the company scales., • Performance Bonuses: We offer bonuses tied to project milestones and successful deliveries. Why Join? • High-Trust Flexibility: We offer genuine flexibility. If the work is done and there's no immediate deadline, we don't expect you to be staring at a screen. We just ask that you stay reachable and dive into supporting some of our other varied projects., • London Office Perk: Access to our London co-working space for mentorship and social "vibe.", • Influence: You’ll have more say in the UI here than at any big company. Apply today. We are not currently offering VISA sponsorship opportunities. No agencies thank you.

Java Developer / Software Engineer (AWS React Full Stack) London / WFH to £80k Are you a technologist Java Developer looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs with a hugely successful track record. As a Java Developer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that form the core of the platform. You'll collaborate closely with the Lead Engineer, Architect and Product Manager to shape system design, APIs and data models to enable scalable backend logic and clean UI. Location / WFH: You can work from home most of the time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: • You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface / front end development using React or Tailwind CSS, • You have a strong knowledge of modern software engineering best practices including cloud native applications, microservices and CI/CD, • You are an advocate of AI and keen to explore its capabilities, • You are commercially aware and can see the "big picture", • You're a skilled problem solver, able to make trade-offs and get things done, • You're collaborative and pragmatic with great communication skills, • Ideally you will have a good understanding of Financial Services / Open Banking What's in it for you: As a Java Developer / Software Engineer you will receive: • Up to £80k, • Significant stock options Apply now to find out more about this Java Developer / Software Engineer (AWS React Full Stack) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Role: Senior Software Engineer (Data & Platform) @ VC Firm Location: London – Hybrid (3 days) Compensation: Up to £200,000 + equity We’re working with a high-performing venture capital firm building a proprietary technology platform that sits at the heart of how they identify, evaluate, and partner with exceptional companies. The engineering function operates like an internal startup: small, fast-moving, and deeply embedded in the investment process. As a Senior Software Engineer, you’ll take full ownership of the firm’s core data platform — the primary day-to-day tool used by partners to source and assess opportunities. You’ll work end-to-end across data, backend, and product experience, with significant autonomy to shape both the technical direction and how the platform evolves over time. What you’ll do • Own and evolve a mission-critical internal data platform used daily by senior stakeholders., • Build and maintain data pipelines, backend services, and user-facing product features., • Work hands-on across the stack, from Python-based data workflows to web application front-ends., • Design scalable, maintainable systems that support complex, real-world decision making., • Deploy and operate systems in the cloud, taking responsibility for reliability and performance., • Collaborate closely with non-technical users, turning ambiguous problems into robust technical solutions., • Take accountability for technical decisions and the long-term evolution of the platform. You should have • Experience working in startup or similarly unstructured environments., • A high degree of autonomy and comfort driving your own direction., • A background where ownership, delivery, and problem-solving were central., • Strong product instincts and the discipline to operate in a high-standards environment., • Curiosity about technology, startups, and how software creates strategic advantage., • The maturity to think independently, figure things out, and operate without heavy process. Stack • Python, Typescript, • SQL, • Full-stack web development, • Web data & infrastructure (exposure to web scraping is a bonus), • Linux & developer tooling, • Cloud deployment Why it’s exciting • You’ll own a core platform that directly influences high-stakes decisions., • Operate with real autonomy — not a cog in a machine, but a driver of outcomes., • Work at the intersection of software engineering, data, and venture investing., • Build from first principles in an environment that values pragmatism and initiative., • High trust, high expectations, and meaningful ownership from day one. If you’re excited by the idea of fully owning a core platform and building technology that directly shapes important decisions, we’d love to hear from you.

Ready to build the high-performance logic powering next-generation logistics? Join Reelables and architect the core back-end services that process and serve data for millions of smart labels worldwide! This isn't just back-end development – you're building the mission-critical application layer that handles massive IoT data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature data from every corner of the globe, building robust, low-latency APIs that power logistics decisions worth millions of dollars, and creating the rock-solid, secure logic that our entire product ecosystem depends on. Who we are Reelables is a rapidly scaling tech company based in North London (near Angel), developing the world's most advanced smart shipping labels. Our breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale • Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests., • Architect and optimize data processing pipelines and application logic for massive streams of real-time location, temperature, and sensor data., • Develop robust, well-documented, and performant APIs (REST/GraphQL/gRPC) that power both our customer-facing platform and third-party logistics integrations., • Ensure the application layer can scale seamlessly and cost-effectively from startup to enterprise-level traffic peaks. Performance & Reliability • Build fault-tolerant, self-healing application services with comprehensive unit, integration, and performance testing., • Implement advanced security best practices within the application code and API gateways for handling sensitive logistics and tracking data., • Optimize service performance and database queries to achieve low-latency responses under peak loads during high-traffic periods (think Black Friday logistics!)., • Drive application-level error handling, retry logic, and resiliency patterns across the microservices landscape. Technical Ownership & Collaboration • Collaborate closely with the Platform Engineering/DevOps team to define deployment requirements, monitoring needs, and infrastructure usage., • Contribute to microservices architecture decisions, selection of new programming tools, and application state management strategies., • Mentor team members on back-end best practices, API design principles, and scalable system implementation., • Drive initiatives to improve code quality, testing rigor, and overall developer productivity. Experience Back-End Development Mastery • Backend Expertise: Advanced TypeScript/Node.js/Python skills with deep, hands-on understanding of designing and implementing high-scale distributed systems., • API Design: Proven track record designing, implementing, and optimizing production-grade APIs (REST/GraphQL) for both internal and external consumption., • Data Systems: Experience with optimizing database queries and schema design for both relational (PostgreSQL, MySQL) and NoSQL/Time-Series databases (e.g., DynamoDB, TimescaleDB) under high-throughput conditions. Scale & Performance Focus • Experience building systems that efficiently handle millions of requests/events per day with stringent latency requirements., • Deep understanding of distributed systems principles, caching strategies (e.g., Redis, Memcached), and microservices communication patterns (e.g., message queues, service meshes)., • Background in IoT platforms, real-time data processing, or high-scale consumer applications is a significant bonus. Technical Environment • Familiarity with cloud-native development on AWS (e.g., Lambda, ECS/EKS, API Gateway, SQS/SNS)., • Experience integrating application services with CI/CD pipelines and contributing to application monitoring/observability using tools like Prometheus, Grafana, or Datadog., • Experience with containerization (Docker) and a solid understanding of how application code runs within a Kubernetes or serverless environment. Leadership & Collaboration • Strong mentoring abilities and passion for elevating team code quality and development standards., • Excellent communication skills for collaborating with Product Managers, Front-End Engineers, and the Platform team., • Experience working in fast-paced start-up environments where you take ownership of core application features and drive significant technical decisions.

About PhixFlow PhixFlow is an established (since 2004), highly respected company delivering a unique low-code platform for complex data integration and business process automation. The customers we partner with include major Telcos, Utilities, and Financial Services, to solve their most intricate business challenges. Despite our stability and history, we operate with the agility and technical freedom of a start-up. The Challenge: Innovating Platform Reach, UX, and AI We are looking for a highly capable Full-Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas: 1. Enterprise Integration: Designing and implementing features for seamless data exchange with mission-critical systems like SAP and Salesforce., 2. Intuitive UX/DX (Developer Experience): Extending the platform's reach by designing and building highly intuitive user experiences for less technical business users., 3. AI Integration: Researching and developing new features that integrate AI capabilities into the platform to enhance automation and decision-making. Your ability to learn quickly and reason through complex systems is critical, ensuring we balance innovation with performance, security, and usability. Core Technical Skills Requested ● Proven experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. ● We seek deep understanding of fundamental technical skills, including clean code principles and complex system design. Culture, Compensation & Benefits We understand that outstanding engineers require true work-life balance and flexibility. We are a remote-first company focused entirely on output and quality, not hours logged. We will consider candidates seeking flexible hours, reduced hours, or a compressed working pattern to fit around personal or family commitments. ● Working Pattern: Flexibility is Key: Available as Full-Time (5 days) or equivalent to a 4-day week (Salary adjusted pro-rata). ● Salary Range (Full-Time): £55,000 to £62,000 per annum. ● Work Model: Remote-First. ● Development: 5 dedicated training days per year for professional growth. ● Time Off: 25 days plus bank holidays annual holiday, increasing for long service. Enhanced Maternity, Paternity and Adoption benefits. ● Health & Finance: Company Pension contribution and private health insurance, including Dental and Optical and option to add family members. ● Well-being: Active Wellbeing Committee and Gym membership contribution. ● Team Connection: Weekly virtual coffee chats, regular social events, including an annual Company Christmas Meal. ● In-Person: 4 team meetings per year in Cambridge, UK. Reasonable travel and accommodation costs can be fully expensed for those outside the Cambridge area. ● Equipment: All necessary equipment provided including Laptops, Screens, Chair and Sit-Stand desk. Application & Interview Process We aim for a streamlined and efficient hiring experience that respects your time. 2. Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed to evaluate reasoning and problem-solving aptitude., 3. Interviews: We conduct up to two virtual interviews focusing on technical depth, cultural fit, and your approach to complex challenges. Determining Salary within the Range Salary will be determined based on the successful candidate's proven experience, demonstrated technical expertise, and agreed working pattern. Offers will typically be structured as follows for Full-Time (5-day) work: ● £55,000 - £57,000: For candidates who meet core skills and demonstrate strong learning aptitude, but require moderate ramp-up time on the platform. ● £58,000 - £62,000: For highly experienced candidates who exceed the minimum requirements, have significant and demonstrated expertise in complex integration, and can immediately contribute to the innovation and architectural evolution of the PhixFlow platform. Technology Keywords & Interests Experience with, or a strong interest in, the following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large Language Models), Small Language Models, Fine Tuning, Security, Design Patterns.

Build Circle is a progressive technology consultancy partnering with scale-ups, SMEs and enterprise organisations to enhance business value, speed and quality. As product-led consultants, we draw on real-world experience in scaling hypergrowth companies such as Just Eat and Moonpig. We provide support by integrating principal-level staff to improve capability and culture, or by standing up whole teams to tackle complex challenges swiftly. We also offer strategic guidance on architectural roadmaps, talent, hiring and scaling. Our ethos rests on two core beliefs: 1. Engineering should focus primarily on delivering value., 2. We believe great people create great culture and great products. Engineering excellence extends well beyond technical mastery - it is problem-focused, pragmatic, accountable and humble here at Build Circle. Striking a balance between enhancements and swift delivery, we prioritise "getting things done" above all and take responsibility for owning delivery improvements as we go. Flexibility is key to creating successful partnerships. We take a problem-first approach and work with organisations to tailor a strategy and partnership that will deliver the best outcome to their goals. You should apply if • You have extensive engineering experience working in fast-growing tech companies., • You are well-versed in Agile/Lean principles., • You are confident in developing, releasing, and maintaining web applications in a fast-paced, iterative environment., • You're comfortable working full-stack, even if you are stronger on the back end or front end., • You have experience writing microservices on top of container-based architectures (e.g., K8s, Docker)., • You have native experience with AWS, Azure, or similar platforms, e.g., Google Cloud. The Build Circle Community Build Circle is proud of our trusted community of engineers joined by some of the most talented tech professionals currently working in the industry across different sectors and verticals. We are continuously looking to add great talent to this community who would then become eligible for both permanent positions within Build Circle as we continue to grow and scale, and project-based work if that’s your preference. Build Circle Projects Build Circle is engaged with some of the best-known tech organisations and brands out there - check out some of our case studies for previous projects.We have several ongoing engagements with specific objectives across a range of organisations and some truly exciting prospects on the horizon that would enable the successful applicant for this position to grow, work with, and learn from the very best. A non-exclusive list of some of the tooling and technology we are currently using: • .NET Core 3.1, Node.js, Python, Java/Kotlin, • Kubernetes, Terraform, infrastructure-as-code, • Typescript, React, Node, GraphQL, Apollo, • AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis, • Azure, Functions, • Prometheus, Grafana, Cloudwatch for monitoring, • "Elasticsearch, Logstash, Kibana" for logging, • Azure DevOps, Gitlab CI, Terraform, GitHub Our principles Our core belief is that great culture and great products start with great people. That makes hiring the most important thing we do. We use our engineering principles to hire top-tier talent. Problem-centric approach: Keeping the business challenge front and centre to deliver the right product, fast, and reduce waste. DevOps culture: Continuously improving the developer experience. Ego-free environment: The best ideas win, not the loudest voices. Everyone's brilliance matters. Deliver test-first in short cycles: Fast feedback means reliable code. We iterate quickly to deliver faster. Ownership: You Build It. You Run It. We’re all about self-sufficient and responsible engineering. Agile excellence: Stability, reliability, agility and scalability are central to our approach. Raising the bar for engineering: Engineering excellence and exceeding industry standards is always the goal. To support you to do your best work we also offer you the latest tech, generous leave and flexible working options. As a Senior we would expect you to; • Mentor Engineers, • Keep the problem front and centre, and champion our principles, • Contribute to the evolving standards across the Engineering discipline, • Work closely with stakeholders, • Have a keen interest in the business impact you are delivering, • Although we are hiring for Seniors, we would love to hear from engineers and tech talent at all levels who identify with our principles. Build Circle will not be accepting applicants via recruitment agencies at this time.

Insight Global is seeking skilled Python Developer contractors to join a leading banking client for a on-site contract opportunity based in London. The successful candidate will be joining a team focused on an observability project, migrating from an existing agent-based monitoring solution to Dynatrace. The role will involve maintaining and optimizing Python scripts for monitoring, ensuring they run on schedule and that data remains fresh and accurate. You’ll work with high volumes of script processing, collaborate on middleware integrations (ideally AMPS), and contribute to API development using FastAPI. You’ll also support deployments on Unix/Linux, OpenShift, Docker, and Kubernetes, while writing unit tests and documenting tasks in Jira. Occasionally, you may assist with front-end components using React. Must-Haves • 4+ years of Python development experience., • Strong understanding of monitoring platforms and scripting., • Ability to schedule scripts and ensure data integrity., • Proficiency in:, • JSON and data manipulation, • React, • REST APIs, FastAPI, • Unix/Linux, • OpenShift, Docker, Kubernetes, • Experience with unit testing and writing clear Jira tickets. Plusses • Previous experience in Bank of America, • Knowledge of elastic scalability and cloud concepts., • Familiarity with Gherkin/Cucumber for BDD., • Experience with Gunicorn for Python web applications.

Role Outline Do you want to help build the future of humanoid robots? We are looking for skilled Senior Full Stack Software Developers to join our software development team. You will work closely with cross-functional teams to develop, maintain, and enhance both our cloud based web apps (including front-end and back-end components), as well as local software functionality executing on-robot. In this role, you will leverage your expertise to build scalable and user-friendly solutions that align with business goals. Creativity, problem-solving, and a passion for delivering high-quality code are key elements of this role. We’re seeking developers with mid to senior level of experience who will rapidly integrate into our team and deliver valuable contributions. Our internal motto is “Be Wow”, our robots are wow and we seek engineers who embody this in their work by building intuitive, effective systems that delight users and drive success. Main Responsibilities • Develop and maintain full-stack web applications, • Develop and maintain on-robot software systems, • Collaborate with cross-functional teams, • Debug, maintain and extend the codebase Challenges • Ensuring our cloud platform provides a smooth user experience while handling complex business logic., • Ensuring robots function reliably and repeatably in their interaction with our cloud services and their local execution of associated behaviours., • Working within an existing large and complex codebase., • Working in a fast-paced environment with evolving project scopes., • Achieving functional goals with the constraints of complex real-life hardware. Opportunities • Working at the forefront of the rapidly growing field of humanoid robotics., • Working in a creative environment with highly skilled and committed colleagues., • Work across a broad technical field with ample variety in tasks and opportunity to deepen your knowledge and experience in many areas., • Working on a proven, commercially successful product consistently shipping units., • Working on a modern Linux-based stack prioritizing performance and developer ergonomics over industry conventions., • See the fruit of your labour! Interact with customers using our robots and see the wonder and joy of people reacting to robot behaviors you created., • Gain guidance from experienced developers, designers, long-term customers and a mature yet fast-moving codebase. Qualifications, Knowledge, Key Skills and Experience Essential: • Experience with TypeScript and React for building dynamic, responsive front-end applications., • Back-end development experience in Python, particularly with frameworks like Django or Flask, or equivalent experience in other back-end languages like Node.js with Express., • Familiarity with Linux system development, • Familiarity with designing and consuming RESTful APIs., • Experience with Git and collaborative version control practices., • Experience in writing unit-tested, maintainable, and scalable code., • Understanding of CI/CD pipelines., • Experience building products with Large Language Models (LLMs) and integrating them into production environments., • Experience developing in C++ and/or Rust, • Experience in CI/CD pipelines to automate testing, deployment, and release management., • Knowledge of cloud platforms (AWS, Azure, etc.)., • Experience with Docker, Kubernetes and containerized application deployment., • Experience working on real time systems such as video games or IoT installations., • Exposure to embedded systems or hardware integration, with a focus on optimizing interactions between software and physical components. About Engineered Arts Engineered Arts is the leading manufacturer of full-size humanoid robots used for entertainment, education and communication. With 20 years of hardware and software development, our robots have been sold in over 30 countries worldwide with customers such as NASA, PwC, Meta and many more. Our Ameca robot is well known as ‘the face of AI’ and a social media viral success, taking advantage of the generative AI craze. Along with our ultra-realistic Mesmer range of animated figures our robots continue to surprise and excite visitors at museums, theme parks, visitor attractions and trade shows as well as aid leading universities with AI and robotics research. Our robots are poised to break into the future mega-expansion service robot segment, with applications such as front of house, receptions, check-in desks, information points and PoS. We are also exploring how our humanoid robot technology can disrupt other robotics sectors by expanding their applications into areas such as hospitality, front desk and healthcare industries. We are a team of dedicated engineers and creatives striving to develop the very best experiences for our customers. Our internal motto is ‘Be Wow’, everything we do is fun, entertaining or surprising to encounter. We always push the boundaries of what is possible in humanoid robotics, researching and developing new systems and techniques to further their appeal. We explore and challenge the human perception of robots as well as the fear and discomfort and the excitement and joy life-like mechanical humanoids present. “Diversity & Inclusion at Engineered Arts At Engineered Arts, innovation is at the core of everything we do — and we believe true innovation only happens when diverse minds come together. We are committed to building a workplace where people of all backgrounds, identities, and perspectives feel welcome, supported, and empowered to contribute. Whether you’re an engineer, developer, or creative thinker, we value what makes you unique. We actively promote inclusion across our hiring, design, and development practices, and we’re always looking for new ways to reflect the world around us — in our team, our robots, and our ideas. Because building the future means including everyone in it.” We are committed to equal opportunity in employment and comply with all applicable non-discrimination and equal employment laws in the regions where we operate.

Senior Frontend Developer Up to £90,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to lead a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend Developer and make a real impact on user facing features from the off while enhancing frontend architecture in order to accelerate the products ground-breaking advancements. As a Senior Frontend Developer, you will have the following: • Strong expertise in React & Typescript - ideally also with Next.js, • Strong UI/UX intuition with a user-centric approach, • Experience working in a lean start-up environment is beneficial What's on offer: • Salary up to £90,000 + Benefits, • Central London - Flexible Remote options (Max 2 days per week onsite), • Chance to make a positive social impact and grow with the company This is an exciting opportunity to work on impactful projects in a forward-thinking environment. If you are passionate about front-end development, we’d love to hear from you!

We are partnered with a leading fixed income hedge fund in London seeking a talented C# Developer to join their front-office technology team. The fund has a strong and consistent performance track record and has invested heavily in its quant and tech capabilities as part of a wider growth plan. You’ll work closely with the quant team as well as traders and other front office stakeholders to build and enhance core trading systems, research tooling, and data-driven applications. Projects span proprietary trading system development, front-office tools, and the application of machine learning across the investment process. The environment is fast-paced, collaborative, and a highly technical one where code quality and low latent systems are a top priority. This team has a history of developing people’s careers and offers a broad and exciting range of new and existing projects for hires to get stuck into. These will consist of both back-end and front-end projects with 1 week sprints and release cycles, PR review processes and continuous development to master. This is a team we have worked with for a number of years and have a close, direct working relationship with the CTO. We have placed in the team multiple times so are able to go into detail regarding set up of the team and role The team primarily uses C# for core systems and Python within quant and data teams. C# and .Net experience and knowledge are essential for this role, but the fund will consider exceptional candidates who work with other likeminded OOP languages (C++, Java, Go). When it comes to financial markets experience, there is a particular interest in Fixed Income and Rates, but these are not essential, they will be open to other asset classes. If you are working in a front office environment or experienced with business critical and very low latent systems, then this role could be a good fit. The fund looks for low-ego, high-performing self-starters who enjoy ownership, teamwork, and delivering pragmatic, commercial solutions. The CTO is particularly interested in candidates that are passionate about technology and want to grow and learn within a fast paced and highly performant environment. You’ll have direct exposure to PMs, quants, and the CTO, and will contribute across design, architecture, and production support. Requirements: • Strong academic background in Computer Science or related field, • Excellent programming skills in C# and .Net, • Experience working with large data sets, • 1–5 years’ experience in a relevant software engineering role, • Interest in finance; fixed income or systematic experience a plus, • Positive, pragmatic, and collaborative mindset This is a rare opportunity to join a high-performing, technology-driven hedge fund with a genuinely collegiate culture. Due to demand, this role is advertised anonymously. If preferred, submit a blank application and we will contact you before requesting a CV. We can only respond to highly qualified candidates.

London or Manchester (Hybrid) | £50,000 – £80,000 + Equity About us At the forefront of using investment portfolios as security for access to credit, Firenze is emerging as the category defining leader in what is known as “Lombard lending”. We already work with some of the UK’s leading wealth management firms to unlock access to what has historically only been available to UHNW clients of private banks. Backed by top tier investors, Firenze is now scaling the team to continue to ensure our credit infrastructure is underpinned by innovation, cutting-edge technology, and an unwavering commitment to driving client outcomes. Role Overview As a Full Stack Software Engineer, you’ll design, build, and deliver customer-facing features across our greenfield platform. You’ll work end-to-end—crafting TypeScript frontends and robust Java back-ends—while learning from experienced engineers and contributing to a modern, scalable architecture. This is a hands-on role with plenty of opportunity to develop your technical depth, gain exposure to DevOps, cloud, and observability practices, and help define how we build software at Firenze. With no legacy systems, you’ll be shaping our platform from the ground up and growing alongside a team that values mentorship, learning, and engineering excellence. Key Responsibilities • Feature Delivery: Collaborate with senior engineers to deliver new features from design to production., • Back-End Engineering (Java): Build APIs and microservices using Java (Spring Boot, Micronaut, or Quarkus), with guidance on best practices for performance and reliability., • Front-End Engineering (TypeScript – Nuxt/Vue): Develop responsive, accessible UIs with strong component and state management., • Data & Integration: Work with PostgreSQL, caching (Redis), and messaging (Kafka/SQS) — learning how to design resilient data flows., • Quality & Testing: Contribute to our testing culture (JUnit, Playwright, CI pipelines) and learn how to scale reliable delivery., • Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one., • Documentation & Developer Experience: Help create clear technical docs and reusable tooling that makes development smoother for everyone., • Cross-Functional Collaboration: Partner with product, design, and experienced engineers to break down work, estimate effectively, and deliver iteratively. Requirements • Experience: 3+ years of professional software engineering, including full-stack work on production systems (fintech or startup experience a plus)., • Java Proficiency: Hands-on experience building APIs/microservices in modern Java (Spring Boot or similar)., • TypeScript & Vue: Solid experience developing production-grade web apps with TypeScript and Vue/Nuxt., • Web Fundamentals: Good grasp of HTML/CSS, accessibility (WCAG), and secure web app design., • Databases & Messaging: Familiarity with PostgreSQL and at least one of Redis, Kafka, or SQS., • Testing Mindset: Comfortable writing and running tests; familiar with CI pipelines (GitHub Actions, GitLab CI)., • Cloud & Containers: Exposure to AWS or another cloud platform and Docker. (Kubernetes or ECS a plus.), • Growth Mindset: Curiosity to learn new technologies, seek feedback, and develop alongside experienced teammates. Bonus Skills • Interest in event-driven or distributed systems (Kafka, RabbitMQ, SQS)., • Exposure to DDD, CQRS, or hexagonal architectures., • Experience with observability tools (OpenTelemetry, Prometheus, Grafana)., • Familiarity with multi-tenant SaaS, RBAC, or performance tuning (JVM, SQL). Why Join Us? • Learn from experienced engineers: Work side-by-side with senior teammates who value teaching, pair programming, and open design discussions., • Accelerate your growth: Gain exposure to architecture, DevOps, security, and observability while contributing to production systems early on., • Impact: Shape a greenfield fintech platform with real business influence and visibility., • Collaboration: Join a supportive, high-performing team that values curiosity, innovation, and shared ownership., • Career Development: Clear progression opportunities as Firenze scales — move towards senior or specialist roles with mentorship and hands-on experience., • Competitive Salary (£50,000-£80,000) depending on experience, plus equity participation. You’ll be part of a hybrid team based in London or Manchester, combining the best of in-person collaboration with the flexibility of remote work. You’ll join a culture that values continuous learning, feedback, and building things the right way — not the fast way.

Position: Python Developer Location: London, United Kingdom This role would require three days a week on-site and two days working remotely. What You’ll Be Doing: • Continue to develop features, integrate new codec tools & codec types, and maintain the existing comprehensive in-house test and visual quality frameworks for testing quality aspects of our codec related products., • Understand the scope of development projects and break down into requirements/stories, agree acceptance criteria and define tests cases., • Participate in selecting the most appropriate tools and infrastructure for visual quality in the test framework., • Debug, understand root cause and resolve defects within our test frameworks, • Launch testing campaigns for a variety of use cases to test and compare our codec releases and the integration of our codecs into different video encoder and playback scenarios. What We’re Looking For: • Our test frameworks are developed using Python, are high performance and are multithreaded applications incorporating Flask, with SQL and databases for storage - you will have significant experience developing using these technologies., • Experience using Linux as a target development platform, • Hands-on experience with technologies such as REST, HTTP, JSON and docker, • Exposure of commonly used test frameworks such as Pytest, Google Test Framework, • Skilled with common front-end technologies such as HTML, CSS, JS, TypeScript, and Node is a bonus, • Experience with AI Tools for automation and development If you're interested, please reach out to for more information!

Senior C# Developer / Engineer (C# .Net Core) London / WFH to £85k Are you a skilled C# Developer looking to progress your career in a senior, hands-on role? You could be at a successful and scaling Retail FX Brokerage working on Greenfield systems. As a Senior C# Developer you'll be designing and developing high quality, maintainable, and reliable code for a real-time, low latency trading systems built mostly in C# and React deployed to Azure. You'll focus on C# .Net backend development within an AWS environment, but also with exposure across the full technology stack in a modern development environment with microservices. There are many technical challenges to explore, the initial project will be to build a KYC system from scratch. Location / WFH: You'll join colleagues in the London office Monday to Wednesday with flexibility to work from home Thursday and Friday. About you: • You have strong C# .Net Core backend development experience, • You have a good knowledge of microservices and Cloud (AWS or Azure) experience, ideally, you'll have some experience with Docker / Kubernetes, EKS, • You have a good understanding of CQRS and event driven architectures, • Ideally you will also have some front end development experience with JavaScript / TypeScript / React.js or Angular, • You have strong analytical and problem solving skills, • You're collaborative with excellent communication skills What's in it for you: As a Senior C# Developer / Engineer you will earn a competitive package: • Up to £85k salary, • Bonus, • Private Healthcare, • Pension, • 25 days holiday, • Hybrid working Apply now to find out more about this Senior C# Developer / Engineer (C# .Net Core) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

React Developer / Front End Engineer (React v19 TypeScript) London / WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer you'll join a globally distributed team to develop engaging and simple user interfaces across all internal business systems. You'll collaborate with UX and Product teams, actively participating in all stages of a project, through product design, development, implementation, testing and maintenance. Location / WFH: You'll join colleagues in the impressive Central London office with flexibility to work from home twice a week. About you: • You have strong Front End development skills with React (they're using v19) and TypeScript, • You are experienced with other web technologies such as HTML, CSS, Web APIs, • You have a strong knowledge of Computer Science fundamentals including OOP, Design Patterns, Data Structures, • You have experience of working in large, fast paced organisations, • You are collaborative with great communication skills, • You are degree educated, having achieved a 2.1 or above in Computer Science or similar technical discipline What's in it for you: As a React Developer / Front End Engineer you will receive a competitive package: • Salary to £95k, • Bonus, • Pension, • Self development and career progression opportunities Apply now to find out more about this React Developer / Front End Engineer (React v19 TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

We’re looking for a skilled Developer to help manage, customise, and enhance multiple websites. The ideal candidate is confident working with Shopify themes, apps, and front-end code, and can bring both technical expertise and strong problem-solving skills to our team. Responsibilities • Manage day-to-day Shopify store operations and ensure a smooth user experience., • Customise themes using Liquid, HTML, CSS, Tailwind CSS, and Vanilla JavaScript., • Implement and troubleshoot Shopify apps; navigate complex app documentation., • Integrate third-party tools and support store functionality improvements., • Collaborate with designers using Figma to bring UI/UX updates to life., • Use NPM and Git in development workflows., • Conduct performance checks and apply SEO best practices., • Work cross-functionally with marketing and sales teams. Required Skills • Proven experience managing and customising Shopify stores., • Strong knowledge of Liquid, Shopify themes, and front-end development., • Comfortable with Tailwind, Vanilla JS, NPM, and Git., • Strong communication, attention to detail, and ability to work independently or collaboratively. Bonus Skills • Experience with Shopify’s Dawn and Horizon themes., • Familiarity with SEO and e-commerce best practices. If you’re passionate about e-commerce and enjoy building clean, high-performing Shopify experiences, we’d love to hear from you!

Our client is a leading Quantitative Investment Manager who is looking for a C# Software Developer to join their London office. You will be responsible for the client's website, investor portal and internal tooling, working closely with a variety of internal teams. Responsibilities • Write and maintain good quality, well-tested code across UI, services and data storage layers., • Help drive front-end development projects., • Collaborate with Quant investment teams. Requirements • 2+ years of professional full-stack C# / .net experience, • Skilled in SQL and Angular, • Experience in financial services is not required

.Net Developer (E-Trading & Front Office) 12 Month Contract Location: London (Hybrid) Lorien’s UK leading Investment banking client are currently looking for a highly skilled .Net Developer to join the team on an initial 6-month contract. Required Skills and Qualifications • Strong core experience working with .NET Core, • Familiarity with SQL database technologies, preferably Oracle / SQL Server, • Must have experience with multi-threading programming, • Experience with asynchronous and event driven programming, • Experience developing real-time applications, • Familiar with building distributed systems, • Knowledge of networks and topologies, • Firm grounding of common algorithms, • Excellent oral and written communication skills, • Proactive team player with a “can-do” attitude, • Excellent analytical problem solver, • Attention to detail and thoroughness a must, • Ability to design and implement unit tests and integrate into automated build process, • End-to-end ownership – ensure the code that you write is carried through to production Desired Skills/Experience • Experience of working with .NET 5/.NET Core, • Experience of .NET stack AI technologies (ML.NET, NLP etc.), • Experience of working with Rx (Reactive Extensions), • Experience of working with Python, • Experience of working with HTML5 and JS, • A working knowledge of Fixed Income instruments, • A working knowledge of eTrading workflows such as RFQ’s and IOI’s, • A working knowledge of Sales workflows and applications, • A working knowledge of ION, • Experience working in a Front office team If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your CV without delay.

React Developer – Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic trading platform. The role is to help build cutting edge frontend systems for Fixed Income eTrading including Rates, Credit, and Bonds. You'll work closely with world-class technologists and domain experts to deliver scalable, high-performance UIs that support real-time trading and analytics. Key Responsibilities • Design and develop responsive, low-latency front-end trading systems using React., • Build dashboards and visualisation tools for Fixed Income market data and trade execution., • Collaborate with traders, quants, and back-end engineers to deliver seamless UI experiences., • Contribute to architectural decisions and front-end performance tuning. Required Skills & Experience • Expertise in React.js and modern JavaScript (ES6+), • Proven experience delivering front-end applications in electronic trading environments, • Strong understanding of performance optimisation and low-latency UI design, • Experience with real-time data technologies (WebSockets, FIX, etc.), • Familiarity with containerized front-end platforms such as OpenFin is a plus, • Prior exposure to Fixed Income products (Rates, Credit, Bonds) or other capital markets, • Experience in data visualisation, charting and grid tools like AG Grid, Highcharts etc, • Ability to thrive in fast-paced, front-office environments with direct business interaction, • Passionate about technology, innovation, and solving complex engineering problems Please submit your CV immediately in order to be considered for this role

TreasurySpring is the product of an obsession with fixing the fundamental structural problems in money markets. Our fascination with the sector began painfully, during the Global Financial Crisis of 2008, where we had a front-row seat to watch the evaporation of liquidity in fixed income and the near collapse of the entire short-dated funding markets. We have been on a mission to help deliver more sustainable solutions for the money markets ever since, and we launched TreasurySpring in 2018 to offer institutional clients a single gateway to the broadest range of the best risk-adjusted cash investment options. As a fast-growing London-based financial technology company, we deliver a unique solution to a global multi-trillion-dollar problem, delivered globally from our offices in London and New York. Our regulated Fixed-Term Fund platform delivers new digital pipelines to connect cash-rich firms to institutional borrowers. Clients include large Private Equity funds, Asset Managers, listed Corporates, high-growth tech companies and many more. Learn more about why we do what we do ___. The role: Senior Python Developer Join our lean UK-based technology team as a Senior Python Developer, where you'll play a pivotal role in the development of our systems. Working closely with the CTO and Head of Software Engineering, you'll have the opportunity to make a significant impact within our growing fintech business. This role offers the flexibility of remote work alongside visits to our offices in Mayfair, London. Our proprietary technology platform handles billions of dollars worth of our customers' investments every day, capturing all client orders and managing the entire investment cycle. Our backend services are built in [typed] Python3, backed by a Postgres database. This includes a proprietary workflow engine built around a Scheme-based workflow notation. Our frontend systems include our clean, simple web portal for client order capture and reporting, built in TypeScript and React; with server-side REST and GraphQL APIs written in Python3. What we’re looking for… Essential skills and experience: • 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++ / C# / Java / etc would also be considered), • Experience working on mission-critical applications, following a robust SDLC, • Excellent communication and problem-solving skills; and a strong aptitude for learning, • Experience and enthusiasm for test-automation and CI/CD, • Deep knowledge of Python, including any of the frameworks we currently use: Flask, SqlAlchemy, Alembic, Pydantic, • Experience with relational databases, ideally Postgres, • Experience of message-based architectures, and queuing technologies, i.e. RabbitMQ, • Experience of REST and/or GraphQL APIs, • Knowledge of the core AWS services: i.e. EC2 / ECS, RDS, S3, • Experience using DataDog or similar observability tools, • Knowledge of containerisation: Docker, Kubernetes, AWS Fargate etc, • Any experience of front-end or fullstack development using TypeScript & React, • Experience building software for financial services and/or investment management organisations We don’t expect candidates to have knowledge of all of the above, but we hope you’re keen to learn! What you’ll do: Responsibilities • Designing and developing mission-critical systems and applications that support our trading and investment operations, and our client-facing products., • Analysing requirements, proposing solutions, and designing software components and systems., • Writing high-quality, efficient, and maintainable code., • Participating in code reviews, providing feedback to other team members and ensuring that coding standards and best practices are followed throughout the development process., • Mentoring and coaching less-experienced developers, helping them improve their skills, learn best practices, and grow professionally., • Communicating effectively with stakeholders to understand requirements and provide updates on project progress., • Optimising the performance of Python applications, identifying bottlenecks and inefficiencies and implementing solutions to improve scalability, responsiveness, and efficiency., • Staying updated on the latest trends, technologies, and best practices in Python development and software engineering. What we offer: Benefits • Competitive salary, depending on experience, • Equity and bonus scheme, • Unlimited Paid Leave, • Hybrid office-working model - we're in a great location near Green Park station in London, • Enhanced Parental Leave and Pay, • Workplace Pension, • Complete Bupa HealthCare Cover, • Life Insurance, • Income Protection Insurance, • Access to Yulife (Employee Assistance Programme), • Remote Office set-up budget, • Cycle to Work Scheme, • A fun and dynamic working environment with regular team-building activities and events

Our client is looking for a Senior Full Stack Developer to play a pivotal role in modernising critical systems and processes, improving efficiency, and reducing operational risk. You will work closely with multidisciplinary teams to design, develop, and maintain robust full stack software solutions. The role spans the entire software development lifecycle and requires strong technical expertise, a collaborative approach, and experience delivering high-quality solutions in an Agile environment. Location • Must be assigned a base office in line with client guidance, • Most work can be completed remotely, • Travel is expected to support service users, attend in-person team meetings, and visit operational sites to understand user needs and test solutions Key Responsibilities As a Senior Full Stack Developer, you will: • Design, develop, and maintain full stack software solutions using modern technologies, • Collaborate with internal teams to design, create, and enhance software products, • Work on existing codebases, improving resilience, stability, and performance, • Deliver core MVP functionality using Agile methodologies and fortnightly sprints, • Apply best practices to enable continuous delivery and deployment, • Improve the resilience, reliability, and maintainability of software systems, • Create and maintain clear documentation throughout the SDLC, • Support testing and validation with service users and stakeholders, • Contribute to the development and deployment of containerised applications Skills & Experience (Essential) • Expert knowledge of Python, • Strong front-end development experience using HTML, CSS, and frameworks such as React and Angular, • Expert understanding of relational data models and database applications, • Proven experience collaborating with teams to design, build, and maintain software, • Strong experience working in Agile environments, delivering MVPs in fortnightly sprints, • Hands-on experience with containerisation technologies, • Experience producing technical documentation throughout the SDLC, • Experience working with and enhancing existing codebases, • Proven ability to improve software resilience and stability, • Experience applying practices that support continuous delivery Desirable Skills & Experience • Experience designing software that allows users to view and interact with documents (PDF, Word) or images, • The role requires flexibility to travel as needed to support users and attend in-person meetings, • The successful candidate will be proactive, technically strong, and comfortable working across both front-end and back-end technologies

Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android). As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising SQL database queries and occasional front end work, creating user friendly interfaces using Angular (v15+). You'll input into technical discussions and decision making, as a senior member of a small team where you'll be able to influence best practice and technology choices. Location / WFH: You'll join colleagues in the London, City based offices 3-4 days a week with some flexibility to work from home 1-2 days. About you: • You have strong Java backend software development skills including Spring Boot, • You have experience with relational databases and SQL query writing, • You have some front end experience with JavaScript, Angular or React, • You have a strong understanding of REST APIs and real-time systems, • You're comfortable working with legacy Ruby, • You have a strong knowledge of software engineering best practices and Agile development methodologies, • You're collaborative and pragmatic with great communication skills, happy to mentor and develop others What's in it for you: As a Software Engineer / Developer you will receive a competitive package: • Salary to £100k, • Pension, • 25 days holiday, • Excellent career progression to Technical / Team lead Apply now to find out more about this Software Engineer / Developer (Full Stack Java) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Project Description: We are seeking an experienced Avaloq Developer with deep expertise in Treasury, Foreign Exchange (FX), and Money Market products. The successful candidate will play a key role in designing, developing, and maintaining Avaloq Core Banking solutions, ensuring seamless integration and functionality of treasury operations. This role requires strong Avaloq development experience, comprehensive knowledge of treasury products, and the ability to translate business requirements into scalable technical solutions. Responsibilities: • Avaloq Development & Customization, • Design, develop, and implement changes within the Avaloq Core Banking system (e.g., ACP customizations, scripting, parameterization, reporting)., • Enhance and maintain Avaloq modules specific to Treasury, FX, and Money Market products., • Implement and optimize workflows, order types, and settlement processes within Avaloq., • Treasury & Capital Markets Support, • Collaborate with treasury stakeholders to understand business needs across FX, MM, and structured products., • Configure Avaloq to support new treasury instruments, deal capture, pricing, and settlement workflows., • Support risk, P&L, and accounting processes within Avaloq for treasury-related products., • Integration & Interfaces, • Work on Avaloq interfaces to trading platforms (e.g., Murex, Bloomberg, Refinitiv, Calypso, Kondor+) and downstream systems., • Ensure smooth end-to-end trade lifecycle from capture to settlement., • Support development of interfaces for regulatory and compliance reporting., • Change & Incident Management, • Analyze and resolve production issues within the Avaloq treasury domain., • Provide 3rd-level support and root cause analysis for system defects., • Collaborate with cross-functional teams on system upgrades, patches, and release cycles., • Collaboration, • Partner with Business Analysts, Product Owners, and Treasury teams to capture requirements., • Provide technical expertise during solution design and architecture reviews., • Contribute to Agile ceremonies (refinements, sprint planning, retrospectives). Mandatory Skills Description: • Technical Expertise, • Strong experience as an Avaloq Certified Customization Professional (ACP) or equivalent., • Proficiency in Avaloq scripting, PL/SQL, parameterization, and data model., • Hands-on experience in Avaloq treasury modules and customization frameworks., • Domain Knowledge, • Solid understanding of Treasury operations, including FX spot/forward, swaps, MM deposits/loans, repos, and derivatives., • Knowledge of front-to-back trade lifecycle, risk management, settlement, and accounting., • Exposure to regulatory reporting (EMIR, MiFID, Dodd-Frank) and compliance in treasury environments., • Other Skills, • Experience with Avaloq integration frameworks (AIS, APS, ACP tools, Web Services)., • Strong database skills (Oracle PL/SQL)., • Familiarity with Agile methodologies (Scrum, SAFe, Kanban)., • Excellent problem-solving skills and ability to work in a fast-paced environment., • Strong communication and stakeholder management skills. Nice-to-Have Skills Description: • Avaloq certification (ACP - Core / Treasury)., • Previous experience in Wealth Management / Private Banking environments., • Exposure to Cloud-based Avaloq environments and DevOps tools (Jenkins, Git, Jira)., • Experience with scripting languages (Java, Python, Shell) for automation.

Senior Data Developer – Multi-Strategy Hedge Fund We are seeking a Senior Data Developer to design, build, and operate a modern data platform that powers quantitative research, trading, and risk management across multiple asset classes. This is a hands-on role at the intersection of data engineering and software development, where you will own end-to-end data pipelines, enhance the security master, and ensure the front office has the data needed to drive investment returns. Key Responsibilities: • Develop and maintain scalable Python-based ETL pipelines for market data ingestion and transformation., • Build and manage cloud data lake solutions (AWS/Databricks) for structured and unstructured data., • Implement data quality, validation, and cleansing routines to ensure accuracy of financial time-series data., • Optimise workflows for low latency and high throughput to support research, trading, and risk functions., • Collaborate with portfolio managers, researchers, and traders to deliver tailored data solutions., • Contribute to security master database design and implementation., • Analyse and extract insights from datasets to inform trading and risk decisions., • Document system architecture, data flows, and technical solutions. Requirements: • Bachelor’s or higher in Computer Science, Engineering, Mathematics, Statistics, or a quantitative discipline., • 5+ years developing Python-based financial software, with strong Pandas experience., • Exposure to financial datasets across multiple asset classes., • Experience supporting quantitative research and modelling., • Proficiency in Linux environments., • Strong foundation in mathematics and statistics., • Detail-oriented, analytical, and able to thrive in a fast-paced environment., • Excellent problem-solving and communication skills. This is an opportunity to shape the data backbone of a sophisticated, multi-strategy investment operation while working at the cutting edge of quantitative finance.

Frontend Developer - JavaScript - Builder.io - CMS - 4 weeks - Paying up to £400 (Outside IR35) - Hybrid Seeking a passionate Frontend Developer with experience working with Content Management Systems (CMS) front-end development and launch a modern, secure, and user-friendly corporate website using the Builder.io Visual Development Platform to enable faster iteration and future content management by non-developer staf Responsibilities • Custom Component Development: Build a library of reusable, production-ready, The interview process has begun, so if you believe you have the right experience then please get in touch ASAP!

💻 Senior Front Office Developer | Commodities & Energy Trading | C# .NET | Azure | 110k | London (Hybrid) We are looking for a Senior Front Office Developer to join a high-performing trading technology team in London, focused on commodities and energy markets. This is a hands-on role building next-generation front office applications used by traders and quants in real-time trading, pricing, and risk workflows. You’ll design and implement high-performance, low-latency systems that support trading operations across commodities, energy products, and derivatives, ensuring critical business processes run efficiently and reliably. In this role, you’ll collaborate closely with traders, quantitative analysts, and other engineers to translate complex market and risk requirements into robust, scalable software. You’ll develop core trading applications, maintain and enhance existing systems, and apply best practices in architecture, testing, and delivery. Your work will have a direct impact on front office decision-making, shaping how trading desks respond to market events and price risk. This is a hands-on opportunity to work with C#/.NET, Azure, SQL, and modern front-end technologies while contributing to a fast-paced, high-impact trading environment. You’ll be part of a collaborative team that values technical excellence, innovation, and real-time problem solving in the energy and commodities space. 💸 Salary: Up to £100,000 + Benefits 📍 Location: London (Hybrid – onsite required) 💹 Tech Stack: C# .NET | .NET Core | Azure | SQL Server | REST APIs | Microservices | Event-Driven Architecture | CI/CD | Unit & Integration Testing ❗ Key Requirements: • 5+ years’ experience in C#/.NET development, • Hands-on experience with Azure cloud services, • Strong understanding of front office trading workflows in commodities and energy markets, • Experience collaborating with traders and quantitative teams, • Proven ability to deliver scalable, high-performance applications, • Familiarity with SQL Server and modern software engineering practices, • Excellent problem-solving and communication skills If you want to develop high-impact front office trading systems in commodities and energy markets, please apply via this advert or send your CV directly to .

Job Title: Back-end developer Location: Central London/Hybrid Terms: Permanent Full-Time Salary: Upto £70,000 per annum Are you a .NET developer looking for more ownership in your role? Are you an engineer with the ability to design complex modern applications? Are you interested in building new products within a small team for a business that generates £100 million + in revenue? The Company One of the UK’s largest ticket providers is seeking a Senior back end developer to complete the move to an internal engineering function. Over the last 20 years, they have acquired several entertainment-related businesses including smaller ticketing platforms, mobile apps, venues and production. To date, the various platforms have been supported by a range of external dev houses and agencies and they are now looking to build an internal function to bring all their platforms under one roof. The Role You’ll work alongside a Technical Lead and Front-end engineer as the sole Back-end engineer to help drive the development of their portfolio of eCommerce ticketing platforms. As the Senior Back end developer, the role will contribute to multiple eCommerce products but will primarily focus on owning and driving the development of their core B2C and B2B eCommerce platform. You will work closely with Product and other Engineering functions to build best-in-class eCommerce experiences and contribute as they transition the business into a digital and consumer-first organisation with data-driven and user-centric strategies at its core. You’ll contribute significantly to the design and development of robust cloud-based applications primarily using C#/.NET. You will help to guide the technical direction of projects, making strategic decisions on technology stacks, supporting coding standards, and software design - playing a pivotal role in the product delivery team, actively contributing to design, scoping, prioritisation, and the iterative delivery of features. You’ll be responsible for ensuring code quality through code reviews, automated testing, and continuous integration practices. You can expect to collaborate and support the commercial and operational teams in driving the next generation of software solutions for external and internal customers. Experience needed First and foremost you will have experience working as a back end focused .NET developer owning feature delivery for complex systems, ideally within eCommerce, although not essential. You’ll need expertise in .NET and SQL. You will come with a strong understanding of software architecture, cloud computing with Azure, and modern software development practices (Agile, DevOps). Furthermore, you’ll be experienced in configuring, managing and deploying to cloud and on-premises infrastructure using infrastructure as code. Experience in modernising technology stacks, including migration to cloud-native technologies will be important. You’ll also need experience in developing server-side APIs and integrating into third-party APIs; exposure to CMS (headless is desirable but not a necessity) What they offer This is a career-changing role with the opportunity to design and build products with revenues north of £100 million. The role will suit someone who wants influence across the wider business and management. This role offers an opportunity to step into a Lead role, should the team continue to grow.

Senior Developer - £100k - London - Python - C# We are working with a financial services company based in London who is looking for a Senior Developer to join their growing team. This company focuses on using modern technology to solve financial issues and implement cutting edge trading strategies. In this role you will be working in the Front Office maintaining applications and services using C# and Python. You will also be gathering requirements from end users such as; Traders and Analysts so, a high level of communication skill is required. What you need: • Python (2+ years essential), • C# (2+ years essential), • Great communication skills and a genuine interest in the technology What's in it for you: • Base salary of up to £100k and a great bonus, • Chance to work in a growing and progressive sector, • Hybrid work structure

Role: Adobe AEM Backend Developer Start Date: ASAP Duration: Until end of 2026 Work Style: Hybrid (3 days onsite per week) Hours: Full-time Key Responsibilities: • Design, develop, and maintain AEM components, templates, workflows, and OSGi services using Java and Sling., • Collaborate with UX/UI teams to integrate front-end code (HTML, CSS, JavaScript/React/Angular) into AEM., • Integrate AEM with other systems and Adobe Experience Cloud products (Adobe Analytics, Adobe Target, Adobe Campaign) using RESTful APIs., • Participate in deployment, testing, and troubleshooting in AEM environments., • Adobe Experience Manager (AEM) Sites and Assets, • AEM Components and Core Development, • Apache Sling, • Java, • OSGi

Front-End Developer (Contract) Outside IR35 | 3 months | Fully remote (UK-based) | Immediate start We’re working with an established AgriTech startup in a strong period of growth and demand, looking for an experienced Front-End–leaning Developer to support an internal product team and a long-standing contractor engineering squad. This is an immediate Outside IR35 contract, ideal for someone who enjoys coming in, making an impact from day one, and helping level up a product during a busy and exciting phase. The Role You’ll play a key role in the upgrade of an internal portal, with a strong focus on: • Front-end/UI improvements and user experience enhancements, • Supporting API upgrades and integrations What You’ll Be Doing • Leading and contributing to internal portal UI upgrades, • Improving usability, performance and overall UX, • Building and consuming APIs to support new functionality, • Collaborating with engineers across product and platform, • Delivering pragmatic, production-ready code in a fast-moving environment Skills & Experience Essential • Strong Front-End development experience (with some back-end capability), • Extensive Python experience, including FastAPI, Flask, NumPy, • Experience working with relational databases, particularly PostgreSQL, • Solid understanding of UI/UX principles and portal-based applications, • HTML, CSS and Javascript, • Git and modern version control workflows Nice to have • Experience with RasterIO, • Previous work within AgriTech, geospatial or data-heavy product What's in it for you? • Outside IR35, • Fully remote (UK-based), • Join a startup with real momentum and purpose, • Work alongside a high-quality, established engineering team f this sounds like your kind of contract, let’s talk!