26 to 50 of 206 Senior Full-Stack Engineer Jobs in London

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking LondonThis is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS, TypeScript … expertise, engineering guidance, and hands-on delivery support across frontend and backend (full stack) engineering initiatives. Key focus:-Full-Stack Engineering Frontend Engineering (ReactJS) Backend Engineering (.NET/C#)Engineering Standards & Software Quality DevSecOps & SDLC CollaborationTechnical Mentoring & Engineering EnablementRequired ExperienceSignificant hands ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS … expertise, engineering guidance, and hands‐on delivery support across frontend and backend (full stack) engineering initiatives. Key focus:- Full-Stack Engineering Frontend Engineering (ReactJS) Backend Engineering (.NET/C#) Engineering Standards & Software Quality DevSecOps & SDLC Collaboration Technical Mentoring & Engineering Enablement Required Experience ...

Senior Full Stack Lead Engineer ReactJS, TypeScript, JavaScript, C#/.NET Banking London This is a new and exclusive opportunity for a Senior Full Stack Lead Engineer/software developer with expertise across ReactJS … expertise, engineering guidance, and hands-on delivery support across frontend and backend (full stack) engineering initiatives. Key focus:- Full-Stack Engineering Frontend Engineering (ReactJS) Backend Engineering (.NET/C#) Engineering Standards & Software Quality DevSecOps & SDLC Collaboration Technical Mentoring & Engineering Enablement Required Experience ...

Monq Ltd is building an AI-powered platform for strategic procurement negotiations. We’re hiring a senior full-stack engineer to own the full tech stack—from APIs to frontend to cloud infrastructure. You’ll ship production code ...

Hesta Health is hiring a Senior Full-Stack Engineer to own and evolve the core platform as we iterate toward product-market fit. You will work with founders, product, and clinical teams to ship features, strengthen foundations for scalable care pathways ...

OpenRent Ltd. is seeking a Senior Full-stack Engineer to design and deliver scalable software solutions for the rental market. You will turn real-world problems into intuitive features used by millions. Your role will involve collaborating with various teams and mentoring ...

Perci Health, the UK’s largest virtual cancer clinic, seeks a Senior Full-Stack Engineer to advance a live platform used by patients. You will help shift how the platform is built, embracing AI-assisted coding, reuse over rewrite, and a strong … focus on safety, testing, and regulatory compliance. This is a remote-first, high-impact engineering role. You will join a small, senior team reporting to the CTO, contributing to end‐to‐end delivery across data models, APIs, and frontend work, while #J-18808-Ljbffr ...

Future Health in London is hiring a Full-Stack Senior Software Engineer to join the Biosamples squad. You’ll design, build and run systems that manage biosamples from collection through processing with our laboratory partners. The role centers on an internal ...

Senior Product Engineer (AI & Full Stack) Location: Central London (Hybrid - 2-3 days per week) Salary: £65,000 - £75,000 + Bonus + Excellent Benefits Job Type: Permanent Please note: Applicants must have the full right to work … solving complex technical problems, building greenfield applications and working at the intersection of AI, product development and enterprise software. The Role As a Senior Product Engineer , you'll be responsible for taking product ideas from initial concept through to proof of concept, MVP and production. Working ...

Senior Fullstack Engineer | React, TypeScript, C#, Python | Fully Remote (UK) | Up to £85,000 SC eligibility preferred, not essential No sponsorship available What you'll be building My client is building a data platform that turns live global events into risk intelligence. You'll join … summarisation, search and discovery Owning what you build, from first design through to production What they're looking for Commercial experience as a senior fullstack engineer in production environments React and TypeScript Backend experience in C# and/or Python Cloud experience. Azure is ideal ...

Hopper is seeking a senior full-stack engineer to anchor HTS Assist, spanning React/TypeScript front ends, Scala and Python services, and cloud infrastructure. You will own realtime voice integrations, streaming pipelines, and multi-tenant architecture while ensuring safety, observability … robust go-lives across partner integrations. The role emphasizes senior ownership, low-latency delivery, and collaboration with product, design, and operations to ship iteratively and raise engineering #J-18808-Ljbffr ...

leading AI technology company in London is seeking a Senior Full-Stack Software Engineer to develop innovative AI applications for the public sector. This role requires at least 5 years of engineering experience, specifically with React and cloud technologies. The position involves ...

complex industrial environments Near real-time insights that enable faster, smarter operational and strategic decisions As a Senior Full Stack Engineer, you will play a key role in shaping and delivering scalable, cloud-based Industrial AI solutions that create meaningful outcomes … products. Familiarity with observability, reliability engineering, SLOs, error budgets, and production incident management. What We're Looking For :We are looking for a senior engineer who can combine strong hands-on engineering with technical leadership. You should be comfortable building across the stack, making ...

Senior Full Stack Software Engineer Location: London (hybrid - 3 days per week in our Shoreditch office) Closing date: 25/09/26 Our company Every ride on a Beryl bike, e-bike or e-scooter is a journey that didn ...

leading security company in London is seeking a Senior Software Engineer with a full-stack focus. The role involves leading complex projects and mentoring a dynamic engineering team. Candidates should have 7+ years of experience and the ability to work cross-functionally ...

Aubay UK is seeking a Senior Full-Stack Developer (AI & Data Platforms) to join a high-performing team building modern, scalable, data-driven applications within a Trading & Supply environment. This hands-on role requires strong front-end and back-end expertise across React, TypeScript ...

Online Filings is seeking a Senior Software Engineer to architect and develop our next-generation web application and API. This role requires technical leadership, hands‐on development, and mentoring of junior developers to ensure scalability, security and performance. If you are passionate about software development, enjoy ...

Zebra People | B CorpTM in London is hiring Senior Software Engineers to join a global B2B software team working on AI-enabled products and platform modernization. You’ll own features from conception to production as a full-stack engineer across TypeScript, Node.js ...

Addition is seeking a senior Full-Stack Developer to design, build and deploy scalable software for UK government projects. You will work across frontend, backend and data pipelines, balancing hands-on engineering with technical leadership. The role uses Python, TypeScript, SQL with Azure ...

businesses operate globally, get in touch — we’d love to discuss how Ebury can accelerate your career so you can shape the future. Senior Fullstack Engineer – Payments Experience Location: London (Hybrid: 4 days in-office, 1 day remote) Build the Future of Global Payments Every … thousands of businesses rely on our platform to move money across borders. As a Senior Fullstack Engineer in our Payments Experience (PayE) team, you won’t just write code—you’ll architect the high-scale web applications and platform tooling that enable our entire engineering ...

hackajob is partnering directly with BNY Mellon to hire for this role. Senior Associate, Full-Stack Engineer Opportunities. At BNY, our culture allows us to run our company better and enables employees growth and success.As a leading global financial services company ...

Koch Ag & Energy Solutions in London is seeking a Senior-level Full-Stack Software Engineer to design and deliver scalable technology solutions for middle-office capabilities, including trading operations and data integrity. You will influence architecture and guide platform evolution while improving ...

including the conversational copilot experiences built on top of it across the product. We are hiring a Full-Stack Engineer to help build and ship production features across this entire stack, from the agent runtime and tool orchestration layer in the backend … remote environment requiring clear and effective communication. Strong English skills are also crucial to efficiently interacting with AI. Prior industry experience building full-stack web applications (this is not an entry-level position). Proficiency with React and TypeScript, and experience building rich, interactive user interfaces. ...

Taktile is hiring a Full-Stack Engineer to build features across the AI agent platform, from the backend runtime to the frontend UX. You will work with Python (FastAPI) on AWS serverless, and React/TypeScript on the frontend, delivering production features and improving ...

Spotify's WhoSampled team is hiring a Senior Fullstack Engineer to join a small, impact-focused group building across backend, data pipelines, and frontend UI. You'll work with Python/Django and Java, PostgreSQL, and modern web tech (TypeScript/React), aiming to improve metadata ...