126 to 150 of 185 Senior Full-Stack Engineer Jobs in London

J.P. Morgan in London seeks a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React. You will collaborate with product, marketing, and partners to translate requirements into technical solutions and contribute to AI initiatives ...

Hireful are looking for a Senior Software Engineer to take our new platform, ClearHR from scoping to a working product: backend, frontend, and the architecture decisions in between. You'll work directly with our CTO, on the same stack as our already successful & fully ...

Meet DeepLDeepL is a global AI product and research company focused on building secure, intelligent solutions to complex business problems. Over 200,000 business customers and millions of individuals across 228 global markets today trust ...

heading to the office, or leaving earlier when needed to accommodate family commitments. This in-office expectation does not apply to contractor positions Senior Fullstack Engineer UK Full-time/London (Engineering) About Applied Intuition Defence Applied Intuition UK is a software and infrastructure … Google, Lockheed Martin, and the UK and US Armed Services. Learn more at appliedintuitiondefense.com. About the role You would be the first fullstack engineer we hire onto the UK team, joining software and autonomy engineers whose tools are already relied on across live programmes. As that portfolio grows ...

JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD pipelines, while driving performance, resiliency, and secure coding practices ...

J.P. Morgan is seeking an Software Engineer III to own end-to-end delivery of secure, full-stack features in the Global Banking Technology team. You will turn requirements into solid designs, ship Java code, and improve services built on microservices, Kafka ...

chat and voice for some of the world's largest travel brands. We're looking for a senior full stack engineer to anchor this product, owning the realtime and voice layer end to end while building across React/TypeScript front ends … reviews, and mentoringAn ideal candidate has6+ years of software engineering experience, with senior-level ownership of production systems and genuine full-stack rangeHands-on realtime systems experience, such as voice applications, WebRTC/SIP, streaming media, or comparable low-latency productsStrength in a modern ...

Parser Limited is seeking a Senior Fullstack Engineer to design, develop, and maintain scalable backend services and robust frontend interfaces. The role emphasizes microservices, API development, and secure, performant systems with ReactJS on the frontend. You will collaborate with product managers and engineers to deliver ...

requiresSecurity Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high‐quality software and designing robust systems. You will work on complex, large‐scale solutions across … collaboration, and continuous learning, and we actively support innovation and knowledge sharing. Your Future Role As a Senior Full Stack Engineer, you will: Design, build, and deploy scalable, high‐quality systems Translate business and client requirements into technical solutions Work directly with ...

Security Clearance or ability to get SC in short timescales. About the Role We are seeking a Senior Full Stack Engineer who is passionate about building high quality software and designing robust systems. You will work on complex, large scale solutions across … collaboration, and continuous learning, and we actively support innovation and knowledge sharing. Your Future Role As a Senior Full Stack Engineer, you will: Design, build, and deploy scalable, high quality systems Translate business and client requirements into technical solutions Work directly with ...

Hireful are looking for a Senior Software Engineer to take our new platform, ClearHR from scoping to a working product: backend, frontend, and the architecture decisions in between. You'll work directly with our CTO, on the same stack as our already successful & fully ...

Zaizi Ltd in London is seeking a Senior Full Stack & Systems Engineer to join Defence delivery. You will build mission-critical web applications and API backends for MoD programmes, while contributing to edge and TAK platforms. You will work at the intersection ...

Swap Commerce Limited in London is seeking a Full Stack Engineer to join our growing engineering team. You will design and implement elegant software across the stack, choosing the right tools and libraries to meet product needs and scale. You will work ...

that connects enterprise data sources to North's agents. We are a small team owning a wide surface area, and we need a senior generalist who can move freely across backend and frontend as the roadmap demands. You will pick up any layer of a feature, from ...

pipeline that connects enterprise data sources to North's agents.We are a small team owning a wide surface area, and we need a senior generalist who can move freely across backend and frontend as the roadmap demands. You will pick up any layer of a feature, from ...

Junior is building the AI operating system for investment research, trusted by top private equity firms and financial institutions. You’ll own features end to end across frontend, backend and data layers, delivering weekly iterations ...

built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high … team is growing and we'd love you to grow with us. We're looking for a Senior Full Stack Engineer to help shape and scale our technology platform as we pursue our ambitious vision. In this role, you'll take ...

systems to help organisations detect and respond to disinformation in real time. We're seeking a Senior Full Stack Engineer - backend-leaning, with frontend comfort, to own end-to-end features and architect solutions from day one. You'll work across backend ...

Plasma is seeking a mid-level to senior fullstack engineer to join one of our engineering teams and own the product and client-side surfaces from API to pixel. Our stack is TypeScript across the board with Node.js on the backend and React + ...

Ocean Infinity is seeking a hands-on Senior Software Engineer to act as Tech Lead for a fullstack product team. You will own how the work gets built and shipped, while remaining a strong individual contributor. The role emphasises backend-first development with C#/.NET ...

experimenting with how agentic AI can remove friction from the software delivery lifecycle and create better product experiences. You think like a product engineer, not just a software engineer. Driven by the value a feature creates rather than the mechanics of how it's built, and grounded ...

Applied Intuition UK is seeking a Senior Fullstack Engineer to join our London team. You will own the design, development, and production rollout of user-facing software across interfaces, APIs, and services. You will work with engineers spanning frontend, backend, and autonomy domains to ensure cohesive ...

Encord is seeking an outstanding experienced engineer to push our platform to the next level of performance and reliability. You will join a small, autonomous team driving vital projects across backend and frontend, from architecture through deployment and monitoring. You’ll collaborate with a lean team, tackle complex ...

Applied Intuition UK is hiring a Senior Fullstack Engineer to join our London team. You’ll shift between frontend and backend work, shaping how user-facing products are designed and built while collaborating with design and product teams. You will own production-grade features from concept ...

requiring robust, performant, and reliable infrastructure as much as polished user-facing interfaces.We’re looking for a Senior Full Stack Engineer to join Team Web, who is passionate about crafting intuitive front-end experiences and building the backend systems and tools that ...