Performance engineering jobs in Reino Unido - Page 6

Mid‑Level Data Engineer (Contract) Start Date: ASAP Contract Duration: 6 Months Experience within the Financial Services Industry is a must. If you're a Data Engineer who enjoys building reliable, scalable data pipelines and wants your work to directly support front‑office decision‑making, this role offers exactly that. You'll join a data engineering function working closely with investment management and front‑office stakeholders, helping ensure critical financial data is delivered accurately, efficiently and at scale. This role sits at the intersection of technology, data, and the business, and is ideal for someone who enjoys ownership, delivery, and solving real‑world data challenges in a regulated environment. This is a hands‑on opportunity for a mid‑level engineer who can contribute from day one and take responsibility for production data workflows. What You'll Be Doing • Building and maintaining end‑to‑end data pipelines (ETL/ELT) to support analytics and downstream use cases, • Developing scalable data solutions using Python, with a focus on maintainability and performance, • Working with Apache Spark / PySpark to process and transform large datasets, • Supporting the ingestion, transformation and validation of complex financial data, • Improving the performance, reliability and resilience of existing data workflows, • Partnering with engineering, analytics and front‑office teams to understand requirements and deliver trusted data assets, • Taking ownership of data issues and seeing them through to resolution, • Contributing ideas that improve data quality, automation, and overall platform efficiency Skills That Will Help You Succeed Essential • Commercial experience as a Data Engineer at a mid‑level, • Strong Python development skills, • Hands‑on experience with Apache Spark / PySpark, • Solid experience building ETL/ELT pipelines, • Background within the financial services industry (investment management experience desirable), • Comfortable working with production systems in a regulated environment, • Exposure to Polars, • Experience optimising Spark workloads, • Cloud data platform experience across AWS, Azure or GCP What Makes This Role Appealing • You'll work on data that directly supports investment and front‑office functions, • You'll have ownership of production pipelines, not just isolated tasks, • You'll collaborate closely with both technical teams and business stakeholders, • Your work will have clear, visible impact on data quality, reliability and decision‑making Desired Skills and Experience Required Skills & Experience • Commercial experience as a Data Engineer (mid level), • Strong Python skills, • Hands on Apache Spark / PySpark experience, • Experience with ETL/ELT and data extraction, • Background in financial services, ideally investment management, • Exposure to Polars, • Experience optimising Spark workloads, • Cloud data platform experience (AWS, Azure or GCP)

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness and opportunity for more people, in more places around the world. And we get to do the best work of our career and grow our skills surrounded by colleagues who have our backs. If you’re ready to see your impact and unlock incredible career growth opportunities, join us, and build real world value. THE WORK: We are looking for a Senior Software Engineer passionate about solving ambitious problems and working directly with Ripple Trading and Markets in the cross-border payments space. We are passionate about the growth of our engineers and place a premium on career development. You will have a high degree of accountability and responsibility from Day 1. You will be an integral part of the Ripple Trading and Markets Team, building scalable, resilient and performant trading systems in a constantly evolving and fast paced environment. You will have real impact and have the opportunity to drive the architectural roadmap, whilst looking to optimize away manual inefficiencies. Example projects: The team has helped develop a number of modular building blocks • Low-latency Algorithms for Automated Trading and Systematic Market Making, • Real-time streaming pipelines and signals, • Pricing libraries and tooling, • Further evolution of the Algo suite, refining the signal processing and breadth of trading strategies and products., • Building towards an event-driven architecture to connect the logical building blocks and provide integrated communication between trading systems and to other partners., • Be an ambitious builder, working up and down the stack, mixing software engineering, data engineering, and distributed systems knowledge to build modern enterprise payment applications., • Build reliable, high-throughput, low-latency microservices to power a diverse range of trading use cases, • Engage in the complete software development lifecycle by collecting requirements, showcasing solid software design principles, and maintaining operational excellence through unit and integration testing, • Be a true owner, managing and supporting Trading Engineering applications throughout product lifecycle, • Work with teams across the organization, including product, legal, and business development to think beyond the technical implications of your design decisions, • Continuously raise our standard of engineering excellence by implementing and driving standard processes for coding, testing, and deployment, • Proactively identify customer and infrastructure difficulties and drive corresponding solutions., • 5+ years of software development with minimum 2 years in Ops or DevOps experience in trading environments, with expertise in large-scale distributed systems; recent work in Java, Go, or Scala is preferred., • Hands-on experience with container orchestration (Kubernetes, Docker, etc.) and cloud infrastructure, especially AWS; familiarity with Infrastructure-as-Code tools like Terraform or CloudFormation., • Strong CI/CD and deployment pipeline skills, with a security-first mentality and experience building scalable, robust, and secure distributed services., • Background in front-office trading systems, ideally with exposure to FX or crypto trading; front-end experience with React or similar frameworks is a plus., • Collaborate with the team to implement, configure, and manage comprehensive monitoring, logging, alerting, and observability solutions - advocating for security best practices., • Deploy, manage, operate, and scale applications and services on AWS - whilst troubleshooting performance issues across the stack., • Collaborative, agile approach, passionate about clean architecture, continuous improvement, and engineering standard methodologies., • Strong communication and mentorship skills, with a desire to share knowledge and work closely with a diverse and high-performing team. WHO WE ARE: Do Your Best Work • The opportunity to build in a fast-paced start-up environment with experienced industry leaders, • A learning environment where you can dive deep into the latest technologies and make an impact. A professional development budget to support other modes of learning., • Thrive in an environment where no matter what race, ethnicity, gender, origin, or culture they identify with, every employee is a respected, valued, and empowered part of the team., • In-office collaboration for moments that matter is important to our culture, and we give managers and teams the flexibility to decide which 10+ days a month they come in., • Bi-weekly all-company meeting - business updates and ask me anything style discussion with our Leadership Team, • Competitive salary, bonuses, and equity, • Competitive benefits that cover physical and mental healthcare, retirement, family forming, and family support, • Employee giving match, • R&R days so you can rest and recharge, • Generous wellness reimbursement and weekly onsite & virtual programming, • Generous vacation policy - work with your manager to take time off when you need it, • Industry-leading parental leave policies. Family planning benefits.

Job Overview The XVA Quant will be sitting within the XVACCR, Collateral & Credit Quantitative Research. The mandate of the quant team is to produce quantitative modelling and innovative solutions for XVA, Counterparty Risk, Collateral and Credit topics. The quant team regularly interacts with a broad scope of internal clients: • XVA and Scarce Resources desk for XVA pricing and modelling, • Risk department for Internal & Regulatory CCR, Accounting XVA, and SIMM, • Collateral desk for discounting, SIMM and IMVA with CCPs, • Trading and Risk Management for Credit derivatives. The quant team closely works with the business to study and assess the models’ behavior and performance. It also plays a significant role in several strategic XVA and RWA projects by producing computational blocks using cutting-edge modelling and implementation techniques to ensure the bank can cope with the increasing list of regulatory measures (XVAVaR, SACCR, FRTB-CVA …) and metrics needed to manage our XVA reserves properly (Optimization modules, Sensitivities with AAD, Machine Learning …). The quant team continuously builds and upgrades XVA libraries and platforms to implement regulatory changes in an optimized architecture. The team is also actively participating in developing the Collateral management platform for CCP and EMIR Initial Margin and working on various FO and Risk systems migration projects, supporting the XVA and Scarce Resources Management and Collateral Management functions. Responsibilities • Define and implement tools and pricing models for Collateral management activity (IMVA-CCP, SIMM …), • Define and implement mathematical tools and pricing models for XVA-linked activity, • Interact and support Trading, RPC and IT partners. Essential Requirements • High programming skills (C++, SQL, C#, VBA …)., • Good knowledge of numerical methods such as: Monte Carlo, Optimisation algorithms, … ., • Recent experience and strengths in most of the following:, • Distributed computing and Inter-process communication, • Multi-threading programming, • Microsoft products: Office, VC++, VBA, • SQL, Access, Oracle, • Web technologies: XML, XSLT, • Strong team orientation, ability to work alone and highly self-motivated, • Able to adapt and learn new technologies quickly, • Results and time oriented, • Excellent analytical and problem-solving abilities, • Creative, can devise and implement multiple solutions, • Good communication skills - both verbal and written, • Previous experience XVA and/or RWA optimisation Who We Are Our Expertise We provide high-impact consulting across five key domains: • Quantitative Finance — Model design, implementation and validation., • Risk & Regulatory — Risk frameworks and regulatory transformation., • Data & AI — Data optimisation and AI adoption with strong governance., • Digital & Technology — Cloud, engineering, automation and digital solutions., • Transformation — Change management and large-scale delivery programmes. Our Commitment Built on excellence, collaboration and innovation, Quanteam partners with clients to strengthen resilience, accelerate transformation and build future-ready capabilities. We are committed to a diverse and inclusive workplace where all individuals are respected and valued. We welcome applicants from every background and uphold equality across all characteristics. Diversity drives innovation and strengthens our ability to deliver exceptional results. Our aim is an environment where everyone can thrive and contribute to collective success.

Java Developer Join a high-impact Core Technology team at a leading hedge fund. About the Company This firm is a major player in the space, a multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise with advanced software engineering to manage institutional capital globally. What You’ll Do • Design and build high impact internal systems using Java, • Own projects end-to-end: from architecture to deployment, • Collaborate with analysts to solve real-world business problems, • Support and mentor junior team members on coding and data skills, • Deliver clean, maintainable, and scalable solutions Who They’re Looking For • 1-5 years of experience with Java (essential) and Python, • Familiarity with databases, (e.g. SQL Server, Postgres), • Experience with developing, testing, or deploying with cloud providers (e.g. AWS,, • GCP, Azure), • Excellent problem-solving skills and clean coding habits, • Prior experience in finance, or high-performance environments 📩 Apply now! If you don't hear back within three working days, unfortunately, your application has not been successful.

I am partnering with an early-stage UK tech startup focused on using data and AI to optimise and accelerate the design of clinical trails. Senior Back-End Engineer – Founding Team (London, Full-Time) Role: Senior Back-End Engineer – Founding Team Location: London, UK (on-site/hybrid) Type: Full-time, Senior Level About the Role I am seeking a highly experienced Senior Back-End Engineer to join a fast-growing, deep-tech venture at an early stage. As a key member of the founding engineering team, you will shape and build the core server-side architecture that underpins their next-generation platform. You’ll work closely with product and engineering leadership to design, implement, and scale reliable backend services, APIs, and systems — helping to turn cutting-edge ideas into real-world products. What You’ll Do • Lead the design, development, and maintenance of scalable, secure, and high-performance backend services and APIs., • Collaborate across the engineering team — including frontend, product, and QA — to architect solutions that address business needs and technical challenges., • Drive the full development lifecycle: requirements, design, implementation, testing, deployment, and support., • Improve and optimise existing systems for performance, reliability, and maintainability., • Conduct code reviews, provide technical leadership, and mentor junior engineers to uphold best practices., • Identify and address security, performance, and scaling bottlenecks. What We’re Looking For • 5+ years of hands-on experience building backend systems in a production environment., • Strong experience with backend languages and frameworks (e.g., Java, Spring, Python, Go, Node.js — adaptable to your stack)., • Proven track record designing and implementing RESTful APIs and microservices., • Solid understanding of databases (SQL and NoSQL) and effective data modeling., • Familiarity with cloud platforms (AWS, GCP, Azure) and CI/CD pipelines., • Experience with performance optimisation, security best practices, and scalable architectures., • Excellent communication skills and ability to work effectively in an agile, cross-functional team. Nice-to-Have • Experience with distributed systems and asynchronous architectures., • Knowledge of observability tools, testing frameworks, and containerisation (Docker, Kubernetes)., • Previous involvement in early-stage or founding engineering teams. Why Join? • Play a pivotal role in shaping a product from the ground up, • Influence technical direction and engineering culture, • Work in a collaborative, fast-paced environment where your impact is visible, • Competitive compensation and growth opportunities Following your application Jay Robins, a specialist AI Recruitment consultant will discuss the opportunity with you in detail. He will be more than happy to answer any questions relating to the industry and the potential for your career growth. The conversation can also progress further to discussing other opportunities, which are also available right now or will be imminently becoming available. This position has been highly popular, and it is likely that it will close prematurely. We recommend applying as soon as possible to avoid disappointment. Please click ‘apply’ or contact Jay Robins for any further information. Email:

Aries Global At Aries Global, we’re driven by a singular ambition - to build one of the world’s truly exceptional software groups. A high-performing culture where we’re able to deliver transformative value to our group, and a place where every team member can grow, thrive, and achieve their full potential. A company that operates with unmatched precision, creativity, and impact. That creates enduring value while upholding the highest standards of integrity and responsibility. Our mission is simple: we don’t just acquire companies - we build enduring, AI-native software platforms. We partner with founders who have built great products and help them unlock their next chapter through our AI-native operating system, centralised GTM engine, and world-class execution capabilities. We bring together exceptional operators, product builders, and leaders - people who insist on the highest standards and excel in a culture of fast pace, focused execution, and deep ownership. In return, you’ll experience extraordinary growth, meaningful impact from day one, and a career trajectory far steeper than you thought possible. Some Of Your Responsibilities • Build and ship real product features that meaningfully improve the user experience and drive business impact., • Collaborate with senior engineers, product managers, and designers to turn ideas into polished, scalable solutions., • Dive into modern technologies and development practices, learning rapidly while contributing to production-quality work., • Debug, test, and optimise systems to enhance performance, stability, and maintainability., • Participate in code reviews and team rituals to strengthen engineering excellence and learn best practices., • Explore new tools and frameworks to help the team innovate and improve developer productivity. What We’re Looking For • Analytical Foundations. A strong analytical foundation built through experience in start-ups, investment banking, PE/VC, strategy, or management consulting - environments that demand rigorous thinking, structured problem-solving, and rapid synthesis of information., • Action Bias. You thrive in ambiguity, form clear mental models quickly, take ownership instinctively, and enjoy diving deep into unfamiliar software categories. You operate with autonomy, intensity, and a strong internal drive., • Culture & Velocity Fit. You’re energized by environments defined by ambition, precision, and ownership and a high standard of integrity and responsibility., • Communication & Reasoning Clarity: You communicate in a structured, concise, and compelling way - verbally and in writing. You’re highly organized, detail-oriented, and able to manage multiple workstreams without sacrificing quality or momentum. Why Join Aries • Unmatched talent density - be amongst and learn from the brightest., • High-trust, high-autonomy environment with real ownership - exposure you won’t get anywhere else., • A company with global reach, meaningful work, and potential for long-term growth. Our Process Joining Aries Global means stepping into a culture that values excellence, curiosity, and potential above all else. Our selection process reflects that. If you excel at our initial screening, you move forward to interviews that dive deeper into your ambitions, mindset, and how you can shape growth with us. You’ll take on a few challenges designed to see how you think, learn, and adapt under pressure. They’re demanding by design - because the work we do is, too. We set the bar high and only make offers when we’re confident it’s an extraordinary fit - for both you and Aries Global. And if you’re hesitating because you don’t tick every box - don’t. Talent, drive, and the will to grow matter most here. If you’re inspired by our mission and believe you can make an impact, we want to meet you. Aries Global is proud to be an equal opportunity employer. We celebrate diversity, foster inclusion, and ensure every candidate has equitable access to succeed. If you need accommodations during the process, simply let us know, we’ll make it happen.

Company Description Goaco is a global digital consultancy delivering secure, scalable solutions for government, enterprise and fast-growing tech companies. We specialise in software engineering, cyber security, digital identity, and cloud transformation. Our projects span across the UK, UAE and KSA with a proven record of delivery in complex regulated environments. We invest in our people and support flexible, high-performance work. Role We are seeking a skilled Dynamics 365 Developer to lead and support the development of enterprise-grade solutions using Microsoft Dynamics 365, Power Platform and related technologies. You will work closely with solution architects, DevOps teams and cyber security engineers to deliver secure, integrated services with a focus on automation, data integration and user experience. Responsibilities • Design, configure and customise Dynamics 365 applications (CE, Sales, Service etc.), • Develop solutions using Power Platform components including Power Apps (Canvas & Model-driven), Power Automate, and Dataverse, • Integrate APIs with Dynamics 365 and external systems, • Extend Dynamics using JavaScript and/or C# (.NET Core) where appropriate, • Maintain secure coding standards aligned to cyber security principles, • Collaborate with architects to ensure scalable, performant, and secure solutions, • Contribute to CI/CD pipeline integration, testing and deployment, • Document solutions and participate in knowledge transfer Essential skills and experience • Proven commercial experience with Microsoft Dynamics 365 (CE/CRM), • Microsoft Certified: Power Platform or Dynamics 365 (Functional Consultant or Developer), • Strong understanding of Dataverse data structure and security, • Hands-on experience building Canvas Apps and automating business processes with Power Automate, • Proficient in JavaScript and/or C# (.NET Core) for extending capabilities, • Experience integrating external APIs and using custom connectors, • Familiarity with modern DevOps practices and GitHub/Azure DevOps pipelines, • Awareness of cyber security best practices and secure development lifecycle (SDLC)

Senior Software Engineer The Opportunity On behalf of a global powerhouse in FinTech Infrastructure, we are seeking a Senior Software Engineer. Our client operates one of the largest financial networks, serving as the digital backbone for thousands of global financial institutions. This is a senior-tier appointment for an engineer who excels at building resilient, high-concurrency systems and wants to lead the digitalization of global financial markets. The Technical Stack You will be working within a modern, engineering-first culture. The core stack includes: • The Engine: Expert-level C# and .NET Core mastery., • Architecture: Deep understanding of SOA (Service Oriented Architecture) and complex Object-Oriented design patterns., • System Dynamics: Specialized knowledge of concurrency, asynchrony, and parallelism—essential for real-time transactional processing., • Data & Web: High proficiency in SQL Server, Web API design, and modern front-end fundamentals (HTML/CSS/JS)., • Reliability: A strict practitioner of TDD (Test Driven Development) and robust CI/CD processes. Desired Innovations Our client is actively modernizing. Exposure to the following is highly valued: • Cloud & Orchestration: Azure ecosystems, Docker, and Kubernetes (AKS)., • Messaging Patterns: Enterprise systems like Azure Service Bus or NServiceBus., • Next-Gen Tech: Experience with Blockchain development or Cryptographic concepts is a significant plus., • Modern UI: TypeScript and Angular for responsive, data-heavy interfaces. Your Impact • Technical Leadership: You will participate in defining the technology and process strategy, occasionally leading high-level innovation or software design initiatives., • Full-Lifecycle Ownership: Design, document, and communicate system solutions that balance high performance with security and cost-effectiveness., • Collaboration & Mentorship: Act as a "Technical Enabler," bridging the gap between deep engineering and business-led requirements while mentoring junior talent., • Innovation: Drive the modernization of global financial infrastructure, replacing frictional legacy processes with fast, efficient, and scalable digital services. Who You Are • FinTech Professional: You have a deep commercial background in Financial Services, Payments, or Transactional Systems. You understand the stakes of high-volume, regulated data., • Team-Centric: You thrive in an Agile environment where team dynamics and peer reviews are taken seriously., • Strategic Thinker: You can contextualize your technical work for non-technical stakeholders and have a passion for "big picture" system evolution. Package & Culture • Salary: £90,000-£100,000 per annum + Performance-related Bonus., • Flexibility: A balanced Hybrid model out of a state-of-the-art Central London office., • Benefits: Industry-leading pension, private healthcare, and a culture that prioritizes professional growth.

In this role, you will provide non-routine cost engineering/planning and scheduling needs to projects.You will establish stakeholder relationships, conduct schedule analysis and integrate activities, identify restraints, quantify risks, monitor cost and performance, recommend alternatives, and deliv

Job Description Lift Technician Jobs in Central London at Stannah – Join Our Team! Stannah is a family-owned manufacturing and engineering company. Our products move people and goods in and around homes and buildings. We make life easier for people. We do this by improving access for greater convenience and independence. Are you a qualified senior Lift Engineer or Lift Technician looking for a Lift Technician job at a market-leading family-run business? Stannah, a global leader in the lift industry, is looking to recruit qualified Lift Technicians to join the team. As the Lift Technician you will provide senior level technical product and engineering expertise in maintenance, refurbishment and repair of industrial lifts, and associated equipment, using their knowledge and experience to complete technical assessments; determining any faults to provide resolution, along with process and cost reporting. This job is to cover a route across Central London with a working pattern of 4 on 4 off -7pm till 7am (night shifts) It is essential that candidates have previous lift industry experience and a NVQ Level 4 Why Join Stannah: Stannah is a renowned name in the lift market, recognised for innovation, safety, and a commitment to quality. Our benefits include a profit share bonus scheme, life assurance, matched contribution/salary sacrifice pension, Discount Rewards Scheme, and Simply Health Cash Plan to help cover your health expenses. 20 days holiday, plus the option to purchase additional. Opportunities for career growth and advancement Lift Technician Responsibilities: Provide senior-level expertise in maintaining, refurbishing, and repairing industrial lifts and equipment. Conduct technical assessments, determine faults, and report on processes and costs. Perform thorough examinations and tests to current standards/regulations. Monitor site safety, quality, compliance, and performance of field engineers and subcontractors. Manage site technical queries and liaise with clients. Conduct site surveys and produce dilapidation and technical reports. Carry out thorough examinations as required by LOLER. Assist with commissioning refurbished lifts. Please see the full job description here: Lift Technician job descritpion Qualifications Lift Technician Requirements: Extensive experience with passenger and goods lifts working in a lift engineer job or lift technician job Qualified to a minimum of NVQ Level 4 in Lift Engineering or equivalent. Full driving licence Additional Information If you have a comprehensive Lift engineering background, including an NVQ 4 in Lift Engineering or equivalent – we want to hear from you! If have previous experience working as a Lift Engineer or Lift Service Engineer, Lift Technician, Lift Tester or Lift Technician Tester and are looking for a Lift Technician job in London, Lift Technician job in Greater London please click the "apply now" button or contact us for further information. Benefits Include: Competitive Salary, paid on a monthly basis Profit Share Bonus Scheme, paid to all employees every quarter. Based on Group Company profits 20 days holiday, plus bank holidays Holiday scheme to buy extra days’ annual leave Pension Scheme. Matched contribution/salary sacrifice SimplyHealth Cash Plan. Allows you to claim towards health costs. For example, dental, optical, physiotherapy, chiropody treatments and more Life Assurance Scheme Long Service award scheme, with holiday benefit Company Benefits Discount Rewards Scheme. Includes shop discounts, hotel discounts, days out, and more Employee Assistance Programme. A workplace initiative to support and enhance well-being Enhanced maternity and paternity provision Company Vehicle LIB Stannah Group is an equal opportunities employer. We welcome and encourage applications from candidates of all backgrounds, identities, and abilities. We are a Disability Confident Committed Employer. We treat all our job applicants fairly and with respect. Our employees are the heart of our business. We take great care to create a working environment where everyone feels valued. Join our team and be a part of our diverse and inclusive community! We reserve the right to close this vacancy early if we receive high numbers of applications for the role. Appropriate right to work must be held by applicants. Sponsorship is not available. PandoLogic. Keywords: Elevator Mechanic, Location: London, ENG - E1 0BW

Job Title: Principal Engineer – Combat Systems (External Communications) Location: Frimley- we offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role. Salary: Competitive What you’ll be doing: • Define and develop the ECS design through systems engineering principles, including; architecture, requirements, concept solutions and interfaces to enable the development and production of the component sub-systems, • Understand the contractual and performance requirements for communication products and sub-systems, and support the definition and associated acceptance criteria and events through design, build, integration, installation and commissioning activities, • Understand and support the flow-down of requirements to suppliers and acceptance of their specific deliverables, ensuring it is captured and recorded appropriately, • Support the EM and PM in supporting bids, proposal development and project planning activities, • Provide technical support to integrated performance and acceptance activities, including acceptance of equipment from suppliers through to system acceptance by the customer, • Knowledge and experience in wireless communication systems and products in the maritime, defence and/or commercial domains and an understanding of how such systems are used and interact with the overall submarine build programme, • STEM-related degree or equivalent experience within the aerospace/defence/telecommunications/marine environment, • Knowledge of the complete engineering lifecycle with experience in operating in a number of the key lifecycle phases including requirements/system design, and integration and acceptance, • Have a strong awareness of product safety and SHE As well as a competitive pension scheme, BAE Systems also offers employee share plans, an extensive range of flexible discounted health, wellbeing and lifestyle benefits, including a green car scheme, private health plans and shopping discounts – you may also be eligible for an annual incentive. The ECS Team The ECS team primarily focuses on designing, developing, and integrating the communications system on-board submarine platforms. As part of this growing team, you’ll explore innovative technologies and integrate them into cutting-edge designs. We offer relocation support packages across all Submarines roles, subject to meeting eligibility criteria. Why BAE Systems? This is a place where you’ll be able to make a real difference. You’ll be part of an inclusive culture that values diversity of thought, rewards integrity, and merit, and where you’ll be empowered to fulfil your potential. We welcome people from all backgrounds and want to make sure that our recruitment processes are as inclusive as possible. If you have a disability or health condition (for example dyslexia, autism, an anxiety disorder etc.) that may affect your performance in certain assessment types, please speak to your recruiter about potential reasonable adjustments. Please be aware that many roles at BAE Systems are subject to both security and export control restrictions. These restrictions mean that factors such as your nationality, any nationalities you may have previously held, and your place of birth can restrict the roles you are eligible to perform within the organisation. All applicants must as a minimum achieve Baseline Personnel Security Standard. Many roles also require higher levels of National Security Vetting where applicants must typically have 5 to 10 years of continuous residency in the UK depending on the vetting level required for the role, to allow for meaningful security vetting checks. Closing Date: 10th February 2026 We reserve the right to close this vacancy early if we receive sufficient applications for the role. Therefore, if you are interested, please submit your application as early as possible. #LI-KP1 #LI-hybrid

M&E Manager This is a big one! Our client is one of the most recognused leading multi-purpose event venue, operating one of the UK’s most advanced and high-profile large-scale venues. The site hosts a diverse calendar of major events, welcoming millions of visitors each year. With a strong focus on safety, sustainability and exceptional visitor experience, the organisation continues to invest heavily in its people, infrastructure and future growth. The Role An exciting opportunity has arisen for an experienced M&E Manager to join the Venue Operations team. Reporting to the Head of Facilities, you will be responsible for leading a multi-skilled engineering team and managing specialist contractors across a complex, high-footfall environment. You will ensure all mechanical and electrical systems operate safely, efficiently and reliably, supporting both day-to-day operations and major live events. This is a highly visible role, requiring a hands-on approach, strong leadership and the ability to respond quickly in a fast-paced, event-led setting. Key Responsibilities • Maintain and manage up-to-date PPM and PEAP schedules, working closely with supervisors to drive task completion via CAFM reporting, • Develop, implement and continuously improve maintenance procedures and processes, • Lead, train, coach and develop a multi-skilled in-house engineering team and external suppliers, • Ensure compliance with all statutory requirements, health & safety legislation and codes of practice, • Oversee preventative and reactive maintenance across M&E systems, including electrical, mechanical, HVAC and associated plant, • Manage maintenance budgets, monitor expenditure and implement corrective actions where required, • Monitor plant and equipment inventory, ensuring agreed minimum stock levels are maintained, • Deliver SLA and KPI performance in line with CAFM system requirements, • Act as point of escalation for critical and out-of-hours faults, • Fulfil technical duty manager responsibilities during events on a rota basis, • Review existing maintenance processes to improve efficiency and identify energy-saving initiatives using building analytics, • Conduct regular audits to ensure statutory compliance and high operational standards, • Support internal and external audits as required, • Ensure all maintenance logs, compliance records and reports are kept accurate and audit-ready, • Manage engineering rotas to ensure sufficient coverage for events and peak operational periods, • Act as L8 Responsible Person as designated by the Duty Holder Skills & Experience • Relevant trade qualification (e.g. City & Guilds 2365) or equivalent NVQ Level 3, • Proven experience leading multi-skilled engineering teams within large commercial or public venues, • Health & Safety qualification (e.g. IOSH), • Strong technical knowledge across electrical, mechanical, HVAC and building services systems, • Ability to interpret technical drawings and schematics, • Authorised Person (LV/HV) – desirable, • BMS, LCS and EMS experience – desirable, • Strong understanding of safe systems of work and statutory compliance, • Excellent IT and administrative skills (Microsoft Office), • IPAF / PASMA – desirable, • Full UK driving licence, • LCA 9010 or equivalent L8 Responsible Person qualification Personal Attributes • Proactive and forward-thinking, with a solutions-focused mindset, • Strong leadership and people-management skills, • Calm, organised and decisive under pressure, • High attention to detail and methodical approach, • Flexible, professional and adaptable to event-led operations, • Excellent communication and stakeholder management skills, • Passion for maintaining exceptional standards in a high-profile environment

M&E Project Manager London Area Permanent - Full Time £60,000 - £70,000 + Plus London Travel allowance £3600, plus Flexible Benefits About the Role:NG Bailey Facilities Services is looking for a skilled M&E Project Manager to join our Facilities & Infrastructure Services business as part of the Projects Team. In this pivotal role, you will oversee the operational delivery of multiple projects, ranging in value from £10,000 to £3 million, ensuring they are completed on time, within budget, and to the highest standards of safety, quality, and customer satisfaction. You will be responsible for all aspects of project management, from pre-commencement to successful handover, while maintaining profitability through effective leadership, strong client relationships, and collaboration with internal support functions. You will also be responsible for surveying future works and the compiling / issuing of the subsequent tenders. Key Responsibilities: • Manage multiple projects within the Facilities Services sector, varying in size and scope (£10,000 to £3M)., • Lead and oversee project work plans, ensuring delivery against programme deadlines., • Establish and maintain strong relationships with clients, consultants, and suppliers, leading technical negotiations and fostering trust., • Ensure the successful planning and coordination of works across all RIBA stages, from preparation and brief to handover and close-out., • Take accountability for SHEQ matters, ensuring a culture of safety and compliance., • Oversee stakeholder engagement, procurement, sub-letting of works, programme of works, and RAMS review and approval., • Deliver technical expertise, particularly in M&E, often acting as the Principal Contractor for clients., • Set performance goals for delivery/construction teams, ensuring operational excellence., • Industry-recognised trade or professional qualification., • Membership of PMI (Project Management Institute) or PRINCE2 certification is highly desirable., • Proven experience in managing multiple projects, delivering exceptional operational outcomes., • Strong understanding of procurement processes, forms of contract, and CDM regulations., • Familiarity with RIBA stages for effective project planning and execution., • Significant experience in the management of staff and subcontractors, fostering collaboration and accountability., • A successful track record of supporting major business contracts or operational management., • Exceptional communication skills and the ability to build and maintain client relationships. We're always evolving our benefits to ensure we're attracting and retaining great people. Some of what you can expect includes: • £60,000 - £70,000 + Plus London Travel allowance £3600, plus Flexible Benefits, • 25 Days Holiday + Bank Holidays with an option to Buy/Sell additional days, • Pension with a leading provider and up to 8% employer contribution, • Personal Wellbeing and Volunteer Days, • Private Medical Insurance, • Life Assurance, • Free 24/7 365 Employee Assistance Program to support mental health and well-being (including counselling sessions and legal advice) As a business, we’re on a journey to build on our culture where everyone is included, treated fairly and with respect. This starts with recruitment and how we bring people into the organisation. We’ll do our best to outline the recruitment process to you ahead of time with plenty of notice. If you require any accommodations to participate in the application or interview process, please let us know and we will work with you to ensure your needs are met. About Us: We are one of the leading independent engineering and services businesses in the UK. Founded in 1921, with a turnover of £500m and 3000 employees, we are proud of our history of developing great people through our investment in training. Working across a variety of sectors within the building and infrastructure industry, our innovative, responsible and forward-thinking approach allows us to work on fantastic ground-breaking projects, providing solutions using the latest tools and technologies. Progression is something we value, and we will make sure that when you join us you have a clearly defined development path, supported by regular reviews, training and ongoing support to enable you to be the best you can be. #LI-JL1

Senior C++ Engineer - High-Performance Trading Systems. Collaborating with engineers, QA, DevOps, and business users. Mentoring junior developers and raising engineering standards.

This is a key opportunity for a Senior Systems Engineer to play a pivotal role in the development of next-generation, high-performance technology within a cutting-edge engineering environment. Alongside technical delivery, you will provide guidance and mentoring to junior engineers and engage confid

Senior Solution Architect, Cloud & Infrastructure London | Hybrid Highly competitive base and package We're working with a well-established, globally operating financial services organisation seeking a Senior Solution Architect with a strong background in Cloud & Infrastructure. This is a high profile, hands-on architecture role. This is a high-impact position within a central IT function, responsible for shaping and delivering modern cloud and hybrid infrastructure solutions that underpin critical business services across multiple regions. The Opportunity You'll play a key role in designing, implementing and operating secure, scalable and resilient infrastructure across cloud and on-prem environments. The focus is on practical delivery, strong architectural governance, and modern engineering practices rather than theoretical design. While the role sits at senior level, it is explicitly hands-on and delivery-focused. Key Responsibilities: • Design and evolve hybrid and cloud infrastructure architectures aligned to business and regulatory requirements, • Lead implementation of infrastructure platforms (primarily Azure, virtualisation and enterprise networking), • Ensure architecture quality, security, resilience and consistency across global environments, • Champion Everything-as-Code practices across build and run, • Work closely with DevOps, Security and Operations teams to support delivery and BAU, • Own architectural standards, patterns and guardrails, • Optimise cost, performance and vendor relationships, • 5+ years designing and delivering enterprise-scale cloud and hybrid architectures, • Strong expertise in Azure IaaS & PaaS, • Deep understanding of networking, security, storage and DR, • Proven use of Infrastructure as Code (Terraform, Ansible), • Experience with CI/CD pipelines, YAML, testing and automation, • Knowledge of Kubernetes, microservices, serverless and modern platform architectures, • Architecture/diagrams as code (C4, Structurizr, Mermaid, PlantUML), • Secure-by-design and threat modelling experience, • Zero Trust/ZTNA exposure, • Senior, influential role with real ownership, • Complex, multi-region technology landscape, • Long-term strategic impact combined with hands-on delivery

PLEASE MENTION GREENJOBS WHEN RESPONDING TO THIS CAREER OPPORTUNITY Energy Consultant London Hybrid An independent sustainability and engineering consultancy is looking to hire an Energy Consultant to support the delivery of low-carbon building strategies across a varied project portfolio. The Role You ll work on new build and refurbishment projects, providing energy modelling, compliance and performance advice to inform design decisions and decarbonisation strategies. The role blends hands-on technical delivery with client-facing consultancy. What You ll Do Develop energy and carbon strategies for buildings Deliver modelling using IES VE and SAP Undertake Part L, EPC and overheating assessments (TM52, TM59, Part O) Support daylight and natural ventilation studies Translate technical outputs into clear advice for clients Contribute to reports, proposals and project meetings What They re Looking For Degree in engineering or a related discipline 2+ years experience in energy or sustainability consultancy Practical experience with IES VE and SAP Strong understanding of HVAC and low-energy design Confident communicator with good data analysis skills If you're interested in finding out more, reach out to Ethan Williams on or click apply TO APPLY PLEASE CLICK THE "APPLY NOW" BUTTON AND YOU WILL BE REDIRECTED TO BEGIN THE APPLICATION PROCES

Starburst SME - Contract - Hybrid/London - Market rate Key Responsibilities • Lead end-to-end implementation of Starburst (Trino-based) platform from initial setup through production rollout, • Serve as the Starburst subject matter expert, providing guidance and technical leadership, • Design and implement scalable query architecture across data lakes, warehouses, and enterprise data sources., • Defining, creating, and delivering Data Products., • Deploy and configure Starburst Enterprise or Starburst Galaxy, including Trino cluster setup and tuning, • Integrate multiple data sources ie Snowflake, databases, etc, • Implement security, authentication, and authorization aligned with enterprise standards, • Optimize query performance, concurrency, and resource utilization, • Establish monitoring, alerting, and operational best practices, • Collaborate with cloud and platform teams to ensure high availability, scalability, and reliability, • 8+ years of experience in data engineering, analytics platforms, or distributed systems, • Solid Hands-on experience with Starburst, Trino, or Presto, • Strong expertise in SQL and query optimization, • Experience working with data lakes and DWH, • Prior experience leading first-time platform implementations, • Experience migrating to Starburst, • Familiarity with BI tools and enterprise analytics use cases, • Strong communication and stakeholder management skills

Python Quant Dev - Cash Equities/Algo/Backtesting/Trading/Market Making Responsibilities * Research and analyse trading outcomes to assess effectiveness of execution strategies * Build and refine quantitative models to improve algorithmic trading performance * Implement elements of trading logic in Python and work closely with engineering teams * Partner with clients to explain model behaviour, review performance and gather feedback * Support clients in an execution consulting capacity to optimise use of trading products Key Skills & Experience * Strong quantitative mindset with passion for data and research * Strong Python development skills (Java exposure beneficial but not core) * Experience with electronic trading strategies and market microstructure * Knowledge of European equities markets * Exposure to distributed systems and large-scale data analysis desirable * Excellent communication skills; able to work with global teams and clients * High-frequency trading experience advantageous Permanent role - Central London based - hybrid working By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with work finding services, we will hold and process your personal data, and only with your express permission we will share this personal data with a client (or a third party working on behalf of the client) by email or by upload to the Client/third parties vendor management system. By giving us permission to send your CV to a client, this constitutes permission to share the personal data that would be necessary to consider your application, interview you (Phone/video/face to face) and if successful hire you. Scope AT acts as an employment agency for Permanent Recruitment and an employment business for the supply of temporary workers. By applying for this job you accept the Terms and Conditions, Data Protection Policy, Privacy Notice and Disclaimers which can be found at our website.

Job Title: Mobile App Developer Location: Stratford, London (4 x per week working on site) Salary/Rate: Up to £537 per day Start Date: Feb 2026 Job Type: 11 month (Inside IR35 contract) Role overview: We are currently recruiting for an experienced Mobile App Developer to join our global client in the automobile manufacturing industry. Immediate interview & start available via Square One Resources. Responsibilities: * Technical Leadership: Translate business needs into technical solutions, ensuring they conform to architectural standards. Own the technical backlog, manage technical debt, and ensure code is structured to meet emerging requirements. * Delivery & Operations: Ensure CI/CD pipelines are maintained, releases are shipped consistently, and blockers are resolved. * Mentorship: Support the growth of fellow engineers, acting as a mentor to 6 software engineers across the team. * Collaboration: Proactively work with external Back End teams (including Pro Telematics, Charging, and Transportation Mobility Cloud). Work with the Front End team to ensure UX alignment with platform conventions. * Community: Be an active part of the development community, sharing best practices, identifying cross-product alignment opportunities, and defining coding standards. Technical Experience Required: * Java Ecosystem: Extensive software development experience in JVM languages (Java, Kotlin) across multiple projects, with deep knowledge of Spring and Spring Boot Frameworks. * Cloud & Infrastructure: Experience with Google Cloud Platform (GCP) products (eg, Cloud Run, PubSub, Secret Manager). * Observability: Experience implementing and utilising observability and monitoring tools (eg, Grafana, Splunk) to maintain system health and diagnose issues. * API Design: Experience designing and developing REST APIs and associated QA tools. Technical Experience Preferred * Engineering Practices: Passion for Software Craftsmanship with experience in Pair Programming, Mobbing, and Test-Driven Development (TDD). * Delivery: Proven track record of delivery, tackling complex engineering problems, and operating with autonomy. * Communication: Strong written and verbal communication skills, capable of mentoring others and presenting to technical and non-technical stakeholders. * Adaptability: Ability to quickly learn and apply architectural and security standards. * Tools: Experience with version control systems (eg, Git). Other experience Required: * DevOps experience (CI/CD pipeline management). * Experience with Load/Performance testing and scaling applications. * Previous experience integrating with mobile applications. * Work Experience: Evidence of having successfully fulfilled Senior Engineer positions * Collaborative: A passion for building inclusive team cultures. * Proactive: Ability to flourish independently and navigate ambiguity ("work in shades of grey"). * Flexible: Capable of multitasking and handling complex projects. * Supportive: Prepared to spend time supporting and mentoring junior team members. If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Head of Structural Engineering / Regional Director Location: Flexible (UK) Salary: Executive-level package + performance incentives We are working in partnership with an established and highly respected structural engineering consultancy as they enter an exciting new phase of growth with the laun

Principal Software Engineer - AI & Innovation Recruiting a Principal Software Engineer with a proven track record of delivering innovative, AI driven solutions and the curiosity to explore beyond traditional technology boundaries. Within the newly createdAI & Innovation team, you will shape the future of the organisation's products through cutting-edge technology, experimentation and creative thinking. A truly exciting opportunity to influence and create something new. Key Responsibilities • Build innovative MVPs to validate ideas and accelerate learning, • Lead the design and implementation of scalable, high-performance software systems, • Collaborate closely with Product, Design, QA, and Engineering teams, • Evaluate, experiment and recommend new technologies, frameworks and tools, • Mentor and coach engineers to create a culture of innovation and continuous improvement, • Oversee code reviews and ensure delivery of high-quality maintainable software, • Troubleshoot and resolve complex technical challenges, • Significant experience in a senior software engineering position, • Proven experience delivering innovative AI solutions, • Practical knowledge of AI, including building and training LLMs, • Strong understanding of Microservices and modern web architectures, • Deep expertise in programming languages and frameworks such as Java and Spring Boot, • Extensive experience designing large-scale systems, • Strong knowledge of AWS cloud architecture and services, • Excellent problem-solving skills and a results-driven mindset, • DevOps practices and CI/CD pipelines, • Secure-by-design development and security best practices, • Contributions to open-source projects

Senior C++ Engineer Location: London (Liverpool Street) - 3 days onsite Salary: £95,000 + bonus Type: Permanent, full time Overview Senior C++ Engineer needed to work on high-performance trading and analytics systems in a low-latency environment. This is a hands-on role focused on building, optimising and stabilising mission-critical platforms used across the business. You'll work close to production systems, taking ownership of complex technical issues including crash investigation, deep debugging and performance optimisation. Key Responsibilities * Design and build low-latency C++ applications with a strong focus on performance and resilience * Own production issues including crash analysis, memory corruption and runtime failures * Perform deep debugging (call stacks, disassembly, dump analysis) and deliver long-term fixes * Optimise multi-threaded, Real Time systems * Contribute to technical design decisions and code reviews * Mentor junior engineers and raise engineering standards * Work closely with QA, DevOps and business stakeholders Key Skills & Experience * Strong commercial C++ experience (C+/14/17) * Background in low-latency, high-throughput systems (finance/trading preferred) * Deep knowledge of modern C++: memory management, concurrency, STL, templates * Strong debugging skills (crash dumps, memory leaks, runtime analysis) * Experience with Windows internals and tooling (eg WinDbg, Visual Studio) * Solid understanding of multi-threading and performance optimisation * Git, CI/CD, testing practices Nice to Have * Advanced Windows internals or disassembly-level debugging * Messaging systems (Kafka, ZeroMQ, Solace) * Distributed systems or cloud exposure * Python or C# Scripting * Trading systems or market data experience

Who We Are Boston Consulting Group partners with leaders in business and society to tackle their most important challenges and capture their greatest opportunities. BCG was the pioneer in business strategy when it was founded in 1963. Today, we help clients with total transformation-inspiring complex change, enabling organizations to grow, building competitive advantage, and driving bottom-line impact. To succeed, organizations must blend digital and human capabilities. Our diverse, global teams bring deep industry and functional expertise and a range of perspectives to spark change. BCG delivers solutions through leading-edge management consulting along with technology and design, corporate and digital ventures—and business purpose. We work in a uniquely collaborative model across the firm and throughout all levels of the client organization, generating results that allow our clients to thrive. About BCG Platinion BCG Platinion's presence spans across the globe, with offices in Asia, Europe, and South and North America. We achieve digital excellence for clients with sustained solutions to the most complex and time-sensitive challenge. We guide clients into the future to push the status quo, overcome tech limitations, and enable our clients to go further in their digital journeys than what has ever been possible in the past. At BCG Platinion, we deliver business value through the innovative use of technology at a rapid pace. We roll up our sleeves to transform business, revolutionize approaches, satisfy customers, and change the game through Architecture, Cybersecurity, Digital Transformation, Enterprise Application and Risk functions. We balance vision with a pragmatic path to change transforming strategies into leading-edge tech platforms, at scale. Practice Area BCG Platinion launched in Germany in 2000 to add deep technical expertise to the Boston Consulting Group’s existing capabilities. Today, our presence spans across the globe, with offices in Asia, Europe, and South and North America. Our New York-based North American team began in 2014 and in 2017 acquired MAYA Design, a Pittsburgh-based digital design and innovation lab, to grow our capabilities around technology and design. We support our clients’ total digital transformation through technology, design, cybersecurity, and risk management & financial engineering capabilities. And together with BCG, BCG Platinion’s interdisciplinary team of technical experts enable customized technical solutions and accelerate delivery value through new business platforms, application consolidations, and major system implementations. What You'll Do We are seeking a Senior Solution Architect – SAP to lead the design, delivery, and technical roadmap of large-scale ERP transformations. The ideal candidate will have deep and broad expertise across multiple SAP modules, strong integration architecture skills, and proven experience defining SAP target landscapes that align with business strategy. Key Responsibilities • SAP Roadmaps: Define and own the SAP technical and solution strategy, including S/4HANA adoption and phased rollouts., • Solution Architecture: Design SAP target landscapes using a lean ERP core integrated with satellite SAP solutions., • Module Breadth: Lead architectural decisions spanning multiple LoBs (e.g., Manufacturing, Sales, Supply Chain, Asset Management, Finance)., • Integration Leadership: Architect SAP integrations using SAP BTP, Integration Suite, and middleware; oversee data migration strategies., • Analytics & Data: Define SAP data architecture including master data governance, BW/4HANA, DataSphere, and SAC reporting., • Quality & Standards: Ensure designs follow SAP and industry best practices, embedding performance, security, and maintainability., • Client Advisory: Partner with programme leadership to align SAP solution direction with business outcomes. What You'll Bring • 8+ years in SAP architecture and delivery., • Previous or current consulting experience a must., • Proven multi-module solution design experience., • Expert in S/4HANA adoption strategies and integration architecture., • Experience with master data governance and analytics platform design., • SAP certifications in relevant architecture or module areas., • History of leading solution design for multi-module, large-scale ERP transformations., • Deep knowledge across SAP LoBs: Manufacturing, Sales, Finance, Supply Chain, etc., • Integration expertise: SAP BTP, Integration Suite, middleware., • Data architecture expertise: MDG, BW/4HANA, DataSphere, SAC reporting., • Proven ability to define SAP target landscape & technical roadmap., • Ability to advise senior business stakeholders on architecture strategy., • Strong governance and quality assurance orientation., • Skilled at translating technical design into business outcomes., • Ability to work under pressure and willingness to travel to clients world-wide, • A university degree in a STEM-related field or business management; advanced degrees (MBA, MSc) are advantageous. Additional info Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity / expression, national origin, disability, protected veteran status, or any other characteristic protected under national, provincial, or local law, where applicable, and those with criminal histories will be considered in a manner consistent with applicable state and local laws.\n BCG is an E - Verify Employer. Click here for more information on E-Verify.

Exclusive Search - Leading Global Investment Bank Are you a high-performance Java engineer with FX experience? My client, a top-tier global financial institution, is expanding its E-Trading FX Options Strategy team and is seeking a Vice President - Java FX Strategist to help drive one of the bank's most strategic growth areas. This is a rare chance to work at the heart of a cutting-edge FX franchise, owning key components across pricing, market-making, algorithmic trading and ultra-low-latency systems that run globally. You'll join a high-impact team responsible for all quant and technology elements of the bank's electronic FX flows. From core market-making models and price distribution, to aggregators, algos and the bank's single-dealer platform - if it touches electronic FX, it passes through this team. Work closely with trading, sales, quants and globally distributed engineering teams (London & Singapore) to deliver innovative, scalable and latency-sensitive solutions. The Opportunity You'll join a high-impact team responsible for all quant and technology elements of the bank's electronic FX flows. From core market-making models and price distribution, to aggregators, algos and the bank's single-dealer platform - if it touches electronic FX, it passes through this team. Work closely with trading, sales, quants and globally distributed engineering teams (London & Singapore) to deliver innovative, scalable and latency-sensitive solutions. Key Responsibilities * Engineer and develop components for FX Options market making, pricing, and algorithmic trading * Lead and manage strategic electronic FX Cash and Options projects * Collaborate directly with Front Office Trading & Sales teams * Contribute to the roadmap for scaling a 24/5.5 global FX platform Skills & experience required * 7+ years of Advanced Java in high-performance, low-latency environments * 5+ years in Financial Markets, ideally in pricing or market-making * Strong understanding of FX microstructure, order management, or regulatory flows * Bonus experience: Spring Boot, Gradle, Solace, FIX, concurrent programming, JVM tuning, React/Vue * Ability to utilise AI coding assistants effectively while maintaining code quality * Strong communicator with the ability to influence technical and business stakeholders * Degree in Computer Science, Engineering, Maths, or a related quantitative field Why Apply? This role suits someone who wants to: ? Work in a Front Office environment with direct impact ? Build ultra-low-latency systems that operate at a global scale ? Join a franchise undergoing major investment and transformation ? Influence architecture, design, and strategic technology decisions Interested? If you'd like to discuss this opportunity in confidence, please reach out directly McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.

Key Responsibilities: • Act as the subject matter expert for Agentforce and Salesforce Data Cloud, • Design, deploy, and optimize autonomous AI agents for workflows, • Architect end-to-end solutions integrating Salesforce Sales/Service Cloud, Data Cloud, and external data sources, • Lead teams of developers, analysts, and testers, with a focus on prompt engineering and agent performance, • Deep expertise in Salesforce Data Cloud, Agentforce, and Salesforce Flows, • Experience with Generative AI, Prompt Engineering, and Large Language Models (LLMs), • Salesforce Certified Agentforce Specialist and Data Cloud Consultant, • Strong knowledge of Salesforce Service Cloud, Apex/LWC, and OmniStudio

Network SRE (DC, Linux/Unix, Cisco ISE & Python) Location: London, UK Job Type: Contract Job Description: We are looking for candidate with highly experienced Senior Network Site Reliability Engineer (SRE). This role is critical in ensuring the reliability, scalability, and performance of our network infrastructure. Candidate need to lead incident responses, troubleshoot complex issues, and drive automation initiatives to maintain world-class network services. Required Skills: • Looking for candidate with strong hands-on experience in network engineering and operations., • Deep expertise in routing, switching, Firewalling, and wireless across multiple vendors., • Strong troubleshooting skills, including overlay/underlay network understanding., • Proficiency in Linux/Unix environments., • Experience with automation and monitoring platforms., • Ability to work independently, set technical direction, and mentor others., • Tools, • Netbox/Nautobot, • Prometheus/VictoriaMetrics, • Salt, • Networking, • EVPN Segment routing, • Operate across diverse environments including Arista, Cisco, Cumulus, Spectrum Ethernet, InfiniBand, Palo Alto, Check Point, Mist, Aruba, A10, Netscaler, and F5.

Engineering Manager London - Hybrid 2 days per week Up to £110,000 + equity We're partnered with a rapidly growing, tech for good company building advanced data-driven products in a highly regulated industry. The multidisciplinary team includes domain specialists, engineers, and product managers working together to solve complex real-world problems. Following significant recent growth and strong investor backing, they're entering a key scaling phase. They're evolving from an early startup environment into a high-performing, structured engineering organisation built around ownership, velocity, accountability, and quality. As an Engineering Manager, you will: * Build, mentor, and manage high-performing engineering teams * Support engineers in their technical and professional development * Create clear growth paths and help foster a strong performance culture * Strengthen engineering best practices across code quality, system design, and delivery * Help the organisation transition from early-stage startup to a more scalable operating model * Ensure projects are delivered effectively and efficiently with end-user needs in mind * Foster a culture of trust, ownership, and high output without sacrificing quality * Recruit, onboard, and retain strong engineers suited to fast-moving environments * Work closely with product, design, and operational stakeholders to plan and execute priorities You're likely a strong fit if you: * Have several years of engineering leadership experience in growing startups or scaling teams * Have supported teams through periods of rapid growth or organisational change * Thrive in fast-paced environments with clear goals and performance expectations * Know how to balance speed with strong engineering discipline * Are comfortable contributing to technical discussions while empowering others to lead * Have a strong product and outcome-focused mindset * Care deeply about raising the bar in execution, hiring, and accountability * Hands-on experience with Python, React, cloud environments (AWS is preferred), infrastructure and distributed systems (kubernetes). What's offered: * Competitive salary and long-term incentive opportunities * Pension contribution * Generous family and medical leave policies * Flexible and hybrid working options * Equipment and tools to support your work * A collaborative, mission-driven team environment * Significant opportunity for professional growth as the company scales

Mobile App Experience Layer Engineer 11 Months Stratford - 4 days onsite/1 remote £548 per day (Inside IR35) Overview The Mobile App Engineering department within Connected Vehicle Software brings together people, skills, tools, and methods to create world-class software products. The team develops applications for retail customers and commercial fleet managers, focusing on actionable insights, reduced fleet downtime, and improved operational efficiency. You will join the company's Pro Telematics Drive App team as a Senior Platform Software Engineer, acting as a technical lead and championing software craftsmanship. Key Responsibilities Technical Leadership • Translate business needs into technical solutions aligned with architectural standards, • Own the technical backlog and manage technical debt, • Ensure code supports evolving requirements Delivery & Operations • Maintain CI/CD pipelines, • Ensure consistent releases, • Remove delivery blockers Mentorship • Mentor up to 6 engineers Collaboration • Work with Back End and Front End teams, • Ensure UX alignment with platform conventions Community • Share best practices, • Define coding standards, • Identify cross-product opportunities Essential Skills & Experience • Java/Kotlin with Spring and Spring Boot, • Google Cloud Platform (Cloud Run, Pub/Sub, Secret Manager), • Observability tools (Grafana, Splunk), • REST API design, • TDD, pair programming, mobbing, • Strong communication and mentoring, • Git Preferred Experience • DevOps/CI/CD, • Load & performance testing, • Mobile integration experience, • Senior engineering background, • Inclusive, proactive, flexible mindset Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

Full Stack Developer (C#/React) A global, technology led quantitative investment manager is hiring a Full Stack Developer to join its core engineering group in London. The firm trades systematically across all major liquid asset classes and relies heavily on high quality software, data pipelines, and analytics to support research and trading at scale. This role sits close to the investment process and focuses on building production grade tools used daily by quantitative researchers, analysts, and portfolio teams. What You'll Be Working On You'll help design, build, and maintain systems that provide Real Time and end-of-day insight into trading activity and strategy performance across the firm. Key responsibilities include: • Developing end-to-end applications using C# on the Back End and React on the Front End, • Building analytics, reporting, and visualisation tools consumed by hundreds of quantitative researchers, • Integrating data from multiple internal trading and research systems, • Designing scalable, maintainable services that operate in a high-throughput, low-latency environment, • Owning production workflows, monitoring, and ongoing system improvements, • Continuously evolving the platform to support new asset classes, strategies, and research requirements, • Strong C# development experience (Back End services, APIs, data processing), • Working knowledge of Python (used alongside C# in the research and analytics stack), • Frontend experience with React, ideally including MUI, AG-Grid, and ECharts, • Solid SQL skills and experience working with large datasets, • Exposure to financial markets, trading systems, or quantitative environments, • Experience building analytics or data-visualisation platforms

SC Cleared GCP/Kubernetes Platform Engineer | Outside IR35 | 6 Month Contract Duration: 12 Months IR35: Outside IR35 Rate: £400-£450 per day Location: Hybrid - London (3 days onsite - non negotiable) I'm looking for a GCP Platform Engineer/Kubernetes Engineer to join a multi-year transformation programme delivering some of the UK Government's most critical systems. The client is open to candidates with strong Kubernetes platform experience, even if you haven't worked directly with GDC - as GDC is fundamentally Kubernetes-based. What you'll do * Design and operate secure GCP and Kubernetes platforms (GDC exposure a bonus) * Build solutions for disconnected/air-gapped environments * Own IAM, networking, GKE and core platform services * Automate infrastructure using Terraform and CI/CD pipelines * Optimise platform performance, reliability and cost * Partner closely with security and architecture teams What you'll bring * Strong hands-on experience in Kubernetes platform engineering (on-prem or cloud) * GCP experience or strong transferable Kubernetes background * Understanding of hybrid/on-prem Kubernetes environments * Experience in regulated, secure or classified environments * Deep skills in IaC, automation and platform operations * Security-first mindset with strong stakeholder communication Bonus * Exposure to Google Distributed Cloud (GDC) or Anthos * Government or secure data centre experience * AI on GCP * Google certifications Clearance Must hold active SC clearance (DV preferred). This role is Outside IR35 and requires up to 3 days onsite in the London office. If this sounds of interest, please send your updated CV and we can have a chat.

Lead Backend Engineer London (Hybrid) Basic salary up to £120k + excellent benefits This Lead Backend Engineer role offers the chance to step into a senior technical position within a fast-scaling, well-funded technology business where Back End engineering plays a central role in product delivery. It's an opportunity for a Lead Backend Engineer who wants to take ownership of complex systems, influence how platforms are built, and play a key part in shaping the next phase of growth. As a Lead Backend Engineer, you'll work within a product-led engineering team responsible for designing and evolving core Back End services that support customer-facing features at scale. The role will focus on building resilient, observable systems, applying strong engineering judgement to ensure services remain reliable and maintainable as demand and complexity increase. The Lead Backend Engineer will operate as a hands-on technical leader, remaining close to the code while also guiding architectural decisions and supporting delivery across the team. In this environment, you are trusted to own outcomes, drive technical standards, and help define how engineering work is approached. Collaboration is a key part of the role, with the Lead Backend Engineer working closely with product managers, designers, and other senior engineers. Lead Backend Engineer - Key Requirements: • Strong experience as a Lead Backend Engineer or senior-level Back End engineer, using Python or another modern Back End language, • Proven ability to design, build, and evolve scalable Back End systems within distributed architectures, • Deep understanding of software engineering fundamentals, including system design, performance, and reliability, • Experience influencing architecture and technical direction across services or teams, • Confidence leading complex technical initiatives from early design through to delivery, • Experience mentoring and supporting other engineers, setting direction through example, • Product-aware mindset, with the ability to balance engineering quality with real user impact, • Basic salary up to £120k, • Performance bonus, • Share options, • Private medical insurance, • Generous holiday allowance, • Flexible hybrid working model, • Learning & development budget We are an equal opportunities employer and welcome applications from all suitably qualified candidates, regardless of race, sex, disability, religion/belief, sexual orientation, or age.

Senior Platform Software Engineer - Mobile Apps 11 Month contract Location: Stratford - 4 days onsite/1 remote Up to £548 per day Inside IR35 Overview The Mobile App Engineering department within Connected Vehicle Software brings together people, skills, tools, and methods to create world-class software products. The team develops applications for retail customers and commercial fleet managers, focusing on actionable insights, reduced fleet downtime, and improved operational efficiency. You will join the company's Pro Telematics Drive App team as a Senior Platform Software Engineer, acting as a technical lead and championing software craftsmanship. Key Responsibilities Technical Leadership • Translate business needs into technical solutions aligned with architectural standards, • Own the technical backlog and manage technical debt, • Ensure code supports evolving requirements Delivery & Operations • Maintain CI/CD pipelines, • Ensure consistent releases, • Remove delivery blockers Mentorship • Mentor up to 6 engineers Collaboration • Work with Back End and Front End teams, • Ensure UX alignment with platform conventions Community • Share best practices, • Define coding standards, • Identify cross-product opportunities Essential Skills & Experience • Java/Kotlin with Spring and Spring Boot, • Google Cloud Platform (Cloud Run, Pub/Sub, Secret Manager), • Observability tools (Grafana, Splunk), • REST API design, • TDD, pair programming, mobbing, • Strong communication and mentoring, • Git Preferred Experience • DevOps/CI/CD, • Load & performance testing, • Mobile integration experience, • Senior engineering background, • Inclusive, proactive, flexible mindset Disclaimer: This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change.

iOS Software Engineer - HIRING ASAP Start date: ASAP Duration: 11-month contract Location: 4 days in Stratford London office, 1-day remote working - Per Week Rate: £500 - £600 per day inside IR35 Summary We are looking for a Senior iOS Software Engineer to join the Ford Pro Mobile Team working on the Ford Pro Telematics Drive App. Responsibilities • Feature Delivery: Build, ship, and maintain customer-facing iOS features with a strong focus on security-related use cases and reliability., • Collaboration: Work in an agile, cross-functional team with iOS and Back End engineers, designers, product managers, and QA., • UI Implementation: Implement polished, accessible UIs using UIKit and SwiftUI and translate product requirements into high-quality user experiences., • Integration: Integrate with APIs and services, ensuring robust error handling, observability, and excellent performance., • Codebase Management: Work effectively in a reasonably large, evolving codebase as part of an overall iOS team of around 9 engineers., • Native mobile app written in Swift, UIKit, SwiftUI, Combine, async/await., • Third party SDKs for maps, analytics & experiments, observability, animations, • Tuist for project generation and SPM dependency management, • Tests: XCTest/Swift Testing, Snapshot tests, UI Tests, • A range of modern tooling for analytics, observability, localisation, artifact management, licensing checks, security & quality checks, • Bitrise for CICD and internal app distribution, • Dedicated Back End for Front End API layer for the mobile app

Data Scientist - London (hybrid working - 3 days a week) Are you ready to bring cutting-edge AI and data science engineering into a global, high-calibre professional services environment? A leading international organisation is looking for a Data Scientist with strong experience with Azure to join its London technology function. You will help design, build, and deploy production-ready AI and advanced data analytics solutions that directly support business strategy. This role suits someone who thrives on end-to-end ownership and wants to see their work make a measurable impact. What's in it for you • Opportunity to play a critical role in the Design, development and deployment of AI/MI and Data solutions, • Work with advanced AI platforms including Azure ML, Azure OpenAI, Databricks, MLflow and LangChain, • A collaborative, supportive culture that encourages innovation and professional development, • Designing, building, and deploying data science & AI solutions end-to-end, • Implementing MLOps foundations including CI/CD, automated testing, monitoring, drift detection and model versioning, • Building generative AI features such as RAG pipelines, embeddings, and AI agents, • Ensuring technical delivery aligns with security, governance, architecture and enterprise standards, • Proven background working as a Data Scientist, • Extensive experience working Azure (Azure Data Scientist Associate certificates preferred but not essential if you can demonstrate strong experience working with Azure), • Experience with large language models (LLMs), retrieval-augmented generation (RAG), • Previous experience with Databricks, • Experience working on Data Science/AI/ML solutions into production environments, • Excellent communication skills with the ability to simplify complex concepts for non-technical stakeholders Ready to take the next step? Apply today, and let's have a confidential conversation about the role. Our client is an equal opportunity employer. They celebrate diversity and are committed to creating an inclusive workplace where all employees feel valued and respected. We encourage applications from candidates of all backgrounds. Data Science Engineer - London - Permanent

Senior Bid Writer (Public Sector Technology - £10m+ Bids) Location: Mostly Remote (travel to London once per month) Role: Full Time, Permanent Salary: £70,000-£85,000 (DOE) + excellent benefits Clearance: BPSS Eligible I am delighted to be partnering with one of the UK's leading award-winning Technology Consultancies, delivering major digital transformation programmes for central government/public sector organisations nationwide. They are now seeking an experienced "Pure Play" Senior Bid Writer to support their Bid Management function in winning highly competitive multi-million-pound technology contracts across the UK Public Sector. This role is specifically for a career Bid Writer whose core strength is producing high-quality written submissions You will work predominantly from home, with travel to London required once a month, plus very occasional expensed travel to client sites across the UK. The Role You will play a key role in writing and shaping winning tender responses for major central government/public sector technology opportunities, including: • Cloud and infrastructure services, • Software and application delivery, • Digital transformation programmes, • DevOps and modern engineering practices Experience Required To be considered, you must have: • Several years' experience as a dedicated Bid Writer within public sector IT/technology services, • Proven involvement in major bids valued at £10 million+, where written submissions were pivotal, • Strong technical writing expertise across infrastructure, applications, cloud, digital transformation, DevOps, and ITSM, • Excellent working knowledge of HMG frameworks such as G-Cloud, DOS, CCS and related government procurement routes, • Ability to produce compelling, buyer-focused responses with clear win themes and measurable value, • Strong attention to consistency in tone, messaging, and quality across large submissions, • Confidence working under pressure to tight deadlines, • Self-sufficiency in rapidly acquiring technical and domain knowledge, • Ability to mentor and support junior bid writers in best practice ? Salary £70,000-£85,000 (DOE) ? Performance Bonus - 5% ? 25 days holiday + Bank Holidays ? Enhanced Pension - up to 6% matched ? Dedicated Training & Development Plan ? Professional Membership Budget ? Group Life Insurance ? Private Medical Cover ? Enhanced Maternity/Paternity ? Employee discounts and rewards platform Interested? If you are a specialist public sector technology bid writer with experience supporting £multi-million contract submissions, please apply with your latest CV and I will be in touch. RSG Plc is acting as an Employment Agency in relation to this vacancy.

Job Title: Senior Data Architect - Quantexa Certified (Mandatory) Contract Length: 12 months Location: London - Hybrid (Candidates must reside in the UK and have the right to work in the UK) Overview This role sits within a growing Data & AI delivery team focused on building data-driven solutions that deliver measurable business impact. Quantexa is a core platform used to enable entity resolution, network analytics, and contextual decision intelligence across complex data environments. We are looking for a Senior Data Engineer with strong Quantexa experience to work on large-scale data engineering solutions. You will contribute to solution design, lead hands-on development, and work closely with architects, technical leads, and stakeholders in agile delivery teams. The Role As a Senior Data Engineer, you will take ownership of the technical development of Quantexa -based solutions. This includes designing and building robust data pipelines, configuring Quantexa components, and translating complex business requirements into scalable, production-ready implementations. You will play a key role in ensuring solution quality, performance, and alignment with wider enterprise data architectures. Why Join? This role offers the opportunity to work on high-impact data initiatives using industry-leading technology. You'll be part of a collaborative, forward-thinking environment where innovation is encouraged, learning is continuous, and your technical expertise directly influences delivery outcomes. It's an excellent opportunity to deepen your Quantexa expertise while working on complex, real-world use cases. Key Responsibilities * Design, develop, and optimise data ingestion pipelines and transformations within the Quantexa platform using Spark and Scala * Configure and implement Quantexa components, including Entity Resolution, Scoring, and Network Generation, to meet specific use cases * Collaborate with Solution Architects and Tech Leads to design scalable, high-performance solutions * Translate business and technical requirements into efficient, maintainable data engineering solutions * Support the integration of Quantexa within broader enterprise and cloud-based data ecosystems * Work closely with cloud, security, and DevOps teams to support deployment and operational readiness * Conduct peer code reviews and promote coding standards and engineering best practices * Mentor junior engineers and contribute to team capability building and knowledge sharing * Participate in agile ceremonies, including sprint planning, backlog refinement, and retrospectives * Contribute to client-facing workshops and technical documentation such as design specs, deployment guides, and runbooks * Stay up to date with advancements in Quantexa and related Big Data technologies Required Skills & Experience * Quantexa Technical Certification (mandatory) * 6+ years' experience in data engineering roles, including 2+ years delivering Quantexa solutions * Strong hands-on experience with Scala, Apache Spark, and Big Data frameworks (eg Hadoop, HDFS) * Proven experience with core Quantexa capabilities: * Data Ingestion Pipelines * Entity Resolution configuration * Scoring logic implementation * Contextual Network generation * Solid understanding of distributed systems, data modelling, and performance optimisation * Ability to write clean, production-grade, maintainable code * Strong communication skills and experience working in cross-functional agile teams * Experience working with cloud platforms such as AWS, Azure, or GCP * Familiarity with Git, CI/CD pipelines, and build automation tools Preferred Qualifications * Experience delivering Quantexa solutions in Financial Services, Fraud, AML, or KYC environments * Exposure to DevOps practices and CI/CD tools (eg Jenkins, GitHub Actions, Azure DevOps) * Familiarity with Docker and Kubernetes * Understanding of data governance, data quality, and enterprise data security standards * Bachelor's or Master's degree in Computer Science, Data Engineering, or a related technical discipline

Senior MLOps & Platform Engineer I'm working with a London-based AI company building Real Time, production-grade AI systems for the financial sector. They're focused on practical applications of machine learning and LLMs, with products already in use by trading and investment teams. They're now looking to add a Senior MLOps & Platform Engineer to take ownership of the infrastructure and platform layer that supports their machine learning workloads. Role: Senior MLOps & Platform Engineer Rate: £500 - £625 per day Duration: 6 months Location: London The role This is a hands-on engineering role focused on building, running, and scaling the systems behind live ML products. You'll work closely with ML engineers and software teams to ensure models move cleanly into production and run reliably at scale. What you'll be doing Building and maintaining infrastructure to support large-scale ML applications Improving CI/CD, deployment, monitoring, and reliability of AI-driven systems Troubleshooting complex issues across cloud and distributed environments Managing and optimising databases and platform services used by ML products Partnering with ML, product, and engineering teams to improve performance and scalability What they're looking for Strong background in software engineering, platform, or infrastructure roles Experience working with cloud platforms and modern DevOps practices Solid programming skills with a focus on clean, scalable code Hands-on experience with databases in production environments Exposure to MLOps, ML platforms, or AI-powered systems (not necessarily research-heavy) Comfortable working in a collaborative, fast-moving engineering environment What's on offer Flexible hybrid working High-impact role on live AI products used in financial markets Opportunity to shape platform and MLOps practices in a growing AI company If you're an MLOps or platform engineer interested in building real-world AI systems rather than experiments, feel free to get in touch for more detail. Senior MLOps & Platform Engineer

Verification and Validation Engineer Essential Responsibilities • Design and create test cases based on software requirements., • Execute test procedures and provide clear, structured reporting of results., • Review and analyse test results, reporting status and findings., • Communicate failures and issues to relevant engineering teams with clarity and accuracy., • Understand key project plan milestones and ensure required testing activities are properly scheduled., • Support continual improvement efforts by introducing new tools, methods, and process enhancements in collaboration with Continuous Improvement leaders., • Promote a standard product methodology mindset, identifying opportunities for solution re-use and improving quality, reliability, and delivery timelines., • Lead the Factory Acceptance Test (FAT) with clients., • Conduct gap analysis between standard/design requirements and customer technical requirements, defining associated test needs., • Provide expertise on control system requirements for RTDS lab setups, including AC/DC interface requirements, Plant Emulator interface needs, and power system modelling and verification in RSCAD., • Engineering degree (or equivalent) including power systems and power electronics subjects or proven equivalent HVDC knowledge and experience., • Strong understanding of the Software Development Life Cycle, particularly the V-Model., • Demonstrated problem-solving skills, especially in test environments, lab setups, and debugging., • Strong sense of urgency with the ability to identify and manage technical risks., • Excellent written and verbal communication skills., • Ability to interpret and understand detailed software requirements., • Understanding of functional characteristics of power systems., • Ability to work under pressure and meet deadlines while maintaining safety, quality, and engineering integrity., • Experience with Agile or Scrum methodologies., • Familiarity with Jira., • Experience with test management tools., • Proficiency in Microsoft Excel, PowerPoint, and Word., • Knowledge of HVDC control systems, protection, and sequencing strategy., • Understanding of HVDC station equipment and interlocking design., • Experience with PSCAD/RSCAD dynamic performance studies., • Knowledge of Line Commutated Converters (LCC) or Voltage Source Converters (VSC)., • Experience with tools such as MATCAD, PSCAD, PSS/E, RSCAD, MATLAB, etc., • Knowledge of applicable electrical standards (eg, IEC 61850, IEC 62351, IEC 12207, IEEE 15288, IEC 25010, IEC 27032, NERC/CIP)., • Previous experience in the HVDC industry.

Job Title: IOS developer Location: Stratford, London (4 x per week working on-site) Salary/Rate: Up to £493 per day Start Date: Feb 2026 Job Type: 11 month contract (Inside IR35) Company Introduction: We are looking for a Senior iOS Software Engineer to join our clients Mobile Team working on their Pro Telematics Drive App. Excellent opportunity to work for one of the worlds largest automobile manufactures. Job Responsibilities/Objectives: High-frequency, high-value capabilities that are critical to maintaining fleet uptime and increasing productivity. For Fleet Managers, the app delivers a Real Time overview of fleet health, vehicle locations on an interactive map, EV battery levels and charging status, and powerful Command & Control capabilities to remotely lock/unlock vehicles, start/stop climate control. • Feature Delivery: Build, ship, and maintain customer-facing iOS features with a strong focus on security-related use cases and reliability, • Collaboration: Work in an agile, cross-functional team with iOS and Back End engineers, designers, product managers, and QA., • UI Implementation: Implement polished, accessible UIs using UIKit and SwiftUI and translate product requirements into high-quality user experiences., • Integration: Integrate with APIs and services, ensuring robust error handling, observability, and excellent performance., • Codebase Management: Work effectively in a reasonably large, evolving codebase as part of an overall iOS team of around 9 engineers. iOS Engineering: Strong experience with Swift, including building and maintaining production iOS apps. * UI Frameworks: Deep experience designing and implementing UIs with SwiftUI. * Architecture: Experience with modern iOS architecture patterns and dependency management strategies. * Testing: A strong testing mindset, including unit testing and snapshot testing, with an emphasis on maintainable, reliable code. Our Tech Stack * Native mobile app written in Swift * UIKit, SwiftUI, Combine, async/await * Third party SDKs for maps, analytics & experiments, observability, animations * Tuist for project generation and SPM dependency management * Tests: XCTest/Swift Testing, Snapshot tests, UI Tests * A range of modern tooling for analytics, observability, localisation, artifact management, licensing checks, security & quality checks * Bitrise for CICD and internal app distribution * Dedicated Back End for Front End API layer for the mobile app If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format. Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

A world-leading US healthcare pioneer is expanding its UK presence and seeking a heavyweight technical leader to own and drive a modern, full-stack engineering function. As Head of Engineering, you'll guide a fast-moving, highly capable team delivering a cloud-native, API-driven platform that transforms global healthcare. This role is hands-on (approximately 5% of your time in Java), while also shaping engineering strategy, architecture, best practices, and technical direction across the growing technology function. Fully remote with flexible arrangements within the UK. Compensation and benefits • Salary up to £150k, with a comprehensive benefits package., • Car allowance., • Performance-based bonus., • Private healthcare coverage., • Pension plan with employer contributions., • Lead and mentor a distributed team of engineers, fostering a culture of quality, collaboration, and continuous improvement., • Stay hands-on by architecting and delivering core systems and integrations in an agile environment, with hands-on work spanning Java, Azure, and React., • Define and evolve the technical roadmap, ensuring scalability, security, and performance across the platform., • Collaborate with product leadership to design and implement solutions that align to business goals and customer needs., • Drive engineering excellence through modern development practices-clean code, TDD, automation, and cloud-native deployment., • Proven experience as a Head of Engineering, leading engineering strategy, architecture, and delivery in complex, fast-moving environments., • Strong technical background in building cloud-based systems with hands-on Back End development (Java) and modern Front End development (React) on Azure., • Deep understanding of scalability, distributed systems, and performance optimization., • Passion for mentoring engineers and leading high-performance teams., • Experience with microservice architectures, containerization (Docker, Kubernetes), and site reliability engineering principles., • Exposure to managing or scaling engineering functions in fast-paced growth environments.

Java Technical Lead Location: London (Hybrid - 2 days on-site) Salary: Up to £110k + Benefits The Role We're looking for a Java Tech Lead to join a high-performing tech consultancy delivering complex, business-critical systems for enterprise and scale-up clients. You'll take technical ownership of projects end-to-end, lead engineering teams, and work closely with clients to design and deliver robust, scalable solutions. This is a hands-on leadership role combining architecture, engineering excellence, and people leadership in a modern, agile consultancy environment. Responsibilities • Lead the design and development of Java-based systems across multiple client projects, • Set technical direction, standards, and best practices, • Act as a hands-on technical leader, contributing high-quality code, • Mentor and develop engineers across varying experience levels, • Collaborate with clients, product managers, and stakeholders to translate requirements into technical solutions, • Drive architectural decisions around scalability, performance, and security, • Strong commercial experience with Modern Java (Java 17+), • Proven experience in a Lead Engineer/Tech Lead capacity, • Solid understanding of microservices architecture and distributed systems, • Experience with Spring/Spring Boot, • Cloud experience (AWS, GCP, or Azure), • Strong knowledge of REST APIs, messaging, and integration patterns, • Event-driven architectures (Kafka, RabbitMQ, etc.), • Containerisation and orchestration (Docker, Kubernetes), • CI/CD pipelines and DevOps practices, • Competitive salary + benefits, • Hybrid working: 2 days per week on-site in London, • Exposure to varied, challenging client projects, • Clear progression into senior technical or leadership pathways

Senior C++ Software Developer, Python - Financial/Banking Candidates will have 5+ years C++ experience (ideally more) and excellent knowledge of Python - ideally coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange Connectivity, Fix Protocol with some Low Latency experience. Job Overview You will work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this role as a Senior Software Engineer C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other members of the Development team to produce code of high-quality standards. Ideally, you should have worked in critical systems development in the past. Responsibilities and Duties Codes, tests, integrates, and documents software. Provides technical leadership to more junior employees and other teams. Apply principles and techniques of computer science, engineering, and mathematical analysis to the development of complex products. Participate as a Subject Matter Expert in internal review of software components and systems. Work on the hardest technical problems facing the company, often these problems are unusually complex and require the utmost creativity and innovation. Apply and champion the appropriate standards, processes, procedures, and tools throughout the system development life cycle to support the generation of technical engineering products. Keep abreast of technology trends and champion new ideas and process improvements. Required Skills/Experience 5+ years development experience in C++ 11 and Boost creating performant, scalable applications. 2+ years of experience in networking (UDP, Multicasting, TCP, etc ), messaging, and algorithms. 2+ years of experience on Linux systems. Good understanding of modern development best practices and methodologies and good knowledge of Git/GitHub. Python, including Pytest. Knowledge of capital markets exchange connectivity on stocks (Fixed Income and derivatives is a plus), including exchange protocols such as FIX and SBE. Most importantly, a drive to solve complex technological and trading challenges with a great team of talented developers. Comfortable using Agile methodology, including continuous integration, sprints, Jira and the relevant processes and workflow. Some understanding and usage of cloud technology is a plus but not mandatory.

As a Vehicle Technician, you'll play a vital role in maintaining, repairing, and servicing vehicles renowned for their engineering excellence and performance. Vehicle Technician - Hatfield | Prestige Automotive Brand. We have an excellent opportunity for an experienced Vehicle Technician to join one

Job Title: Senior Actuarial Modelling Engineer Location: London (5 days per week in office) Salary: Up to £130,000 + benefits Overview A global specialty insurance and reinsurance organisation is seeking a Senior Quantitative Software Engineer to join a highly technical analytics and development team. The team builds and maintains a bespoke analytical platform that supports pricing, loss modelling, and portfolio management across the business. This is a senior, hands-on engineering role focused on designing and delivering robust software, high-performance calculation engines, and scalable data pipelines in a collaborative, cross-functional environment. The Role Reporting to the Head of Analytical Software Development, you will be responsible for designing, implementing, and maintaining software and processes that support a proprietary modelling ecosystem. The role requires close collaboration with actuarial, exposure management, risk, and project teams to translate complex requirements into efficient, production-grade solutions. Key Responsibilities * Develop and enhance a proprietary modelling and analytics platform, with a focus on Back End calculation engines * Design and build robust tools, reusable data pipelines, and reliable reporting datasets * Maintain, migrate, and modernise multi-language Legacy codebases * Work closely with actuarial, risk, and business teams to understand requirements and deliver effective long-term solutions * Ensure development progress is clearly tracked and documented * Implement testing, documentation, and controls to reduce operational and key-person risk * Contribute to best practices in software engineering, performance, and reliability * Support the wider engineering team with technical input and ad-hoc development work * Build strong domain knowledge in insurance, reinsurance, and quantitative modelling * Stay current with modern software engineering tools, techniques, and frameworks Skills and Experience * Degree in Software Engineering, Mathematics, Physics, or a related quantitative field * Strong experience working in insurance, reinsurance, or another quantitative financial environment * Proven experience working with SQL and large datasets (Microsoft SQL Server, Azure or similar preferred) * Strong experience using version control in a collaborative environment (Git preferred) * Experience working with high-performance, parallelised, or distributed computing environments * Experience with Julia strongly preferred; Python, R, or MATLAB also relevant * Experience using computational notebooks (eg Jupyter) for analysis and prototyping * Strong grounding in numerical methods, statistics, linear algebra, or algorithmic development * Experience delivering production systems in an agile or iterative development environment * Strong communication skills and ability to work with both technical and non-technical stakeholders Working Environment * Senior, hands-on engineering role in a collaborative and technically strong team * Fast-moving environment where engineering quality and long-term maintainability are valued * Opportunity to work on complex modelling and analytics systems with real business impact

We are currently recruiting an experienced TypeScript/React Developer to join the FX Post-Trade Technology team at a leading investment bank in London. This role will involve working on a greenfield initiative focused on re-engineering Legacy applications using a modern technology stack, enabling improved performance and the delivery of new features. You will be joining a newly formed team of highly skilled engineers, with the opportunity to take ownership of projects and drive development from a technical perspective. To be considered, candidates must demonstrate strong software engineering fundamentals and proven experience hand-writing code from scratch. Required Skills: • TypeScript, React, and JavaScript, • AG Grid, charting, and data visualisation, • Experience working on data-intensive trading applications

Job title: Head of Finance Applications Team: Finance Applications (SAP S/4HANA) Reporting to: Enterprise Applications Director REQUIREMENTS • Expertise in Financial systems and processes, • Experience of a working in a busy Finance and IT environment, • Experience in IT Applications - SAP S/4HANA, • Knowledge of peripheral applications intrinsic to the financial applications eg, payroll, revenue, engineering, payments, • Lead and manage the Finance Applications team., • Provide finance application support and development to the business units on a value adding basis., • Act as a trusted technical advisor to the senior business stakeholders., • Manage suppliers to support the delivery of Finance applications., • Recruiting, developing and managing a team on an ongoing basis., • Setting team performance objectives and supporting development plans., • Managing a first line response support desk in line with SLAs, • Working on projects and programmes as SME., • Work with suppliers and internal teams to manage system changes in a robust and compliant manner., • Managing the Finance applications through a product life cycle, ensuring compliance with security and audit requirements., • Support senior stakeholders in developing strategy and improvement plans for their business areas., • Implement a governance framework to review issues, agree and implement best practice solutions., • Work with other teams in IT to advise on changes and deliver improvements., • Manage supplier delivery to SLAs and contracts, build relationships and review service on a regular basis.

Key Responsibilities Build innovative MVPs to validate ideas and accelerate learning Lead the design and implementation of scalable, high-performance software systems Collaborate closely with Product, Design, QA, and Engineering teams Evaluate, experiment and recommend new technologies, frameworks