1 to 25 of 90 Full-Stack Engineer Jobs in London

Full-Stack Engineer (React/Python/AI) Location: London (Hybrid) Salary: £100,000 + Equity About the Company: An early-stage, well-funded tech startup building AI-powered software to help businesses make smarter decisions and improve operational performance . The team … mission-driven, giving you the chance to shape both the product and engineering culture. The Role: We’re looking for a Full-Stack Engineer to join a fast-moving, collaborative team. You’ll work across the stack — crafting sleek UIs in React ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role … sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to design and deliver robust, scalable technology solutions aligned to a strategic roadmap. What youll do Design, build, and maintain reliable, scalable data pipelines supporting complex ...

Senior Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build … delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven ...

Senior Full-Stack Engineer – FX e-Trading – London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build … delivery, strengthen code quality, and enhance developer experience. 4 days onsite in London. PAYE/Umbrella options. Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven ...

Senior Full-Stack Engineer (Java & Python) We are seeking a high-impact Senior Full-Stack Engineer to join a growing technology team for a leading investment house supporting market data services within a regulated, enterprise environment. This role … sits at the intersection of data engineering, full-stack development, and business engagement , working closely with stakeholders and external vendors to click apply for full job details ...

Full-Stack Engineer – Early-Stage AI Platform About the role A high-growth AI startup is looking for an exceptional full-stack engineer to join as one of their first hires. The company is building a platform that ...

Senior Full-Stack Engineer (Backend-Leaning) – SaaS + AI Join a seed-stage SaaS startup backed by leading VCs, adopting AI to redefine their product. They’re pre-PMF, mid-pivot, and need a hands-on engineer (~80% coding) to help build … define, and scale. 💰 Comp: Up to £100k + strong early stack equity package 🧑 💻 What you’ll do Full-stack engineering, backend-leaning (Next.js FE + BE, Node.js, TypeScript, legacy Python) Collaborate with product & CEO to shape the roadmap Help guide a small, senior team ...

Lead Full-Stack Developer (Software Engineer Programmer Developer ReactJS React-JS React.JS GraphQL Playwright TypeScript Redux Saga Ag-Grid Fixed Income JavaScript Node Credit Rates Bonds Agile Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services UI Front End Front … Kafka) required by our trading software client in Manhattan, New York City. You MUST have the following: Strong experience as a Lead Full-Stack Developer/Software Engineer/Programmer Excellent JavaScript and TypeScript Golang or Java Experience building Front Office trading systems (portfolio ...

Full Stack Developer Location: Hybrid (2 days a week in Farringdon, London) Job Type: Contract Daily Rate Inside IR35 We are seeking an experienced Full Stack Developer ...

Senior Full-Stack Engineer FX e-Trading London Atrium EMEA is looking for several Senior Full-Stack Engineer with good experience of FX e-Trading (React/TypeScript + Java) to help architect and build ...

title: Senior Full-Stack AI Engineer Location: GSK HQ Team: Enterprise AI - Data Science UK Contract: 6 months Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. … uniting science, technology, and talent to get ahead of disease together. Role Overview GSK are seeking a Senior Full Stack AI Engineer with a strong focus on frontend engineering, user experience and product delivery. You will lead the design and implementation of immersive, interactive ...

Lead Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Security Clearance: SC cleared/eligible Lead engineering teams building modern, impactful digital services for the UK public sector. We're supporting a purpose-driven digital consultancy in hiring a Lead … projects Contributing to early-stage discovery, bids, and occasionally supporting hiring activity (e.g., technical assessments) What We're Looking For Essential Extensive full-stack engineering experience across design, build, test and deployment Strong hands-on skills in Java, Spring Boot, Python, microservices , and ideally a polyglot ...

real user needs and supports long-term transformation in the public sector. What You'll Be Doing Designing, developing and maintaining complex full-stack solutions Making architectural decisions aligned with project goals and good engineering practice Leading on CI/CD implementation and optimisation to improve … early project discovery phases Communicating complex technical concepts to non-technical stakeholders What We're Looking For Essential Proven experience in full-stack software development (design, build, test, deploy) Strong hands-on experience with Java, Spring Boot, and microservices Solid understanding of Agile and DevOps practices ...

driven tools. Senior hires will also take ownership of architecture, mentoring, and technical leadership. Responsibilities Design, build, test, and deploy scalable full-stack applications Develop back-end services using Node.js or Java (Spring) Build responsive front-end applications using React, Angular, TypeScript, or modern JavaScript frameworks … clients Requirements Degree in IT, Computer Science, or a technology-related subject (minimum 2:1) Commercial experience as a Full Stack Engineer Strong back-end experience with Node.js or Java Front-end experience with modern JavaScript frameworks (React or Angular preferred) Experience working with ...

Java Full Stack Engineer - Consultant/Senior Consultant Location: UK (Hybrid Remote with client site travel) Salary: £45,000 - £75,000 + Benefits Security Clearance: SC cleared/eligible Hybrid working | UK-wide Help transform public services through modern engineering. We're supporting … real difference to citizens and frontline staff. The Role As part of a multi-disciplinary agile team, you'll design and build full-stack solutions across major public sector transformation programmes. You'll contribute to high-impact digital services using modern engineering practices, cloud technologies ...

Location: Canary Wharf(Hybrid, 2 days p/w onsite)Pay Rate: £500-£550 (outside) Duration: 6 monthsTech Stack:- Essential: Java, Angular, Azure cloud services- Desirable: React I am currently looking for an ...

Benefits 9% pension contribution Stock Options Health Insurance L&D Budgets This is your chance to perform the job you love and make a difference in society whilst doing it! Help this one-of-a ...

Java/React Duration: 12 months Pay: £759-900/day (PAYE/umbrella) Location: London (hybrid working – 2 days onsite) Senior Full-Stack Engineer – FX e-Trading (React/TypeScript + Java) About the role Help architect and build … coding tools to accelerate delivery, strengthen code quality, and enhance developer experience. What you’ll do Lead design and development of full-stack features: React/TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices ...

average once per week), and were happy to discuss flexibility to make this work for you. We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers … questions & early-stage hiring eg cv screening or technical assessments when required About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands-on experience with .NET and React. Strong understanding of Agile and DevOps ...

support from top-tier talent, we’re scaling rapidly across international markets. Role Overview We are seeking a highly skilled Full Stack Engineer to design, build, and maintain the core systems that power the BloomIQ platform. This is a hands-on development role focused … Science, Engineering, Artificial Intelligence, or related field. We hire for the person, not years of experience, but if you have been a full-stack, backend, or software engineer in a professional role, that is a nice-to-have. Strong proficiency in at least ...

forefront of GenAI innovation. This role offers the opportunity to build intelligent, scalable applications using the latest in AI, cloud, and full-stack technologies. Role Overview As a GenAI Full Stack Engineer, you'll design and develop advanced AI-powered … monitor LLM performance using tools like Langsmith or Langfuse. Collaborate in agile teams and mentor junior engineers. What You'll Bring Strong full-stack development experience with modern frameworks and cloud platforms. Hands-on experience with GenAI tools and LLM integration. Familiarity with containerization, infrastructure ...

drum up people to collect wood... teach them to long for the endless immensity of the sea.” 🚀 Role: Co-Founder/Full-Stack Engineer (Contract, £20-30k + Equity%) Company: Early-stage AI startup Location: UK/Remote-first I’m looking … this is for I don’t care where you studied, or if you did. I care about: 💻 You can ship – ideally full-stack (front-end + back-end) and comfortable playing with APIs/AI models. 🧪 You love building fast, iterating faster , and shipping ugly ...

security Collaborate cross-functionally with engineering, product, and AI teams to deliver high-impact features About You We’re seeking an experienced full-stack engineer with a strong foundation in Python back-end development and the versatility to work across the stack. … Docker, and DevOps workflows Experience designing or integrating authentication and authorisation systems (e.g., OAuth2, JWT) Success Metrics Deploy secure, scalable, and maintainable full-stack systems and LLM applications that deliver measurable business value Maintain low latency, high system uptime, and strong performance across APIs ...

Full-Stack Engineer (AI Focused) | Technology, Information and Internet | London | Up to £200,000 + Equity I’m working with a fast-scaling AI company backed by top-tier investors and already working with some of the most recognisable organisations in the world. They … native workspace that’s changing how enterprises operate, with live deployments already proving real impact. They’re now looking for two experienced Full-Stack Engineers to join their London team. This is a chance to work directly with a proven founding team (multiple successful exits ...

GenAI Full Stack Engineer - Consultant/Senior Consultant Salary: £60,000 - £70,000 pa + £4,000 Bonus plus benefits, perks and healthcare options Job Type: Permanent - Hybrid/2 x days per week - Travel to client site Base Locations: London, Manchester, Newcastle, Glasgow … Overview: We're looking for a GenAI Full Stack Engineer who is passionate about solving real-world challenges through technology. You'll work closely with senior stakeholders both internally and within key clients to create GenAI strategies that translate business issues into relevant technical ...