1 to 25 of 49 Permanent Senior Full-Stack Engineer Jobs in London

over a year — and used exactly that workflow to take a brand-new product from nothing to market. We're hiring another senior engineer who already works this way, or is unmistakably on that path, and who brings the judgment to do it well . … Essential Experience & Skills 8–10+ years building software with .NET technologies. Strong proficiency in C#, ASP.NET and the wider Microsoft stack. Solid full-stack experience across back-end and modern JavaScript/React front-ends. Strong grasp of software architecture, design patterns and engineering best practices. ...

Senior Software Engineer - Full-Stack/Cross-Asset Trading Systems Location London Business Area Engineering and CTO Ref # 10052703 Description & Requirements Join the Pioneers of Trading Technology: Imagine working on a team that's revolutionising the way financial markets operate, with … value quality above all. As a Senior Software Engineer in CATS, you'll be part of a full-stack platform team that's pushing the boundaries of what's possible with TypeScript, Redux and React, as well as our Data Publishing Pipelines ...

Platform based on the latest technology and architecture. You will be working alongside AWS and learning from the best. As a Senior Engineer you will be responsible for demonstrating excellent technical competencies with a desire to improve and mentor junior members of the team. You will … assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments.Role Responsibilities:Be able to drive engineering improvements whilst communicating principles behind your work ...

Senior Software Engineer (full-stack) Department: Engineering Employment Type: Full Time Location: London Hybrid: 2 days per week in our Tower Bridge office (Tuesdays and Thursdays) Description Uswitch is the UK’s favourite way to choose and manage home‐life ...

evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward. Our team has a decade-long track record of successfully bringing ML ideas from theory …/B experiments and applying Gemini to deeply understand their site and generate additional content for them to monetize. We are a full-stack team and we own everything from scaled AI pipelines to end-user UIs seen by billions of users. Google Ads is helping ...

Stack Software Engineer (Forward Deployed), you’ll collaborate directly with public sector counterparts to quickly build full-stack, AI applications, to solve their most pressing challenges and achieve meaningful impact for citizens. At Scale, we’re not just building … weeks per month in client offices for feedback and delivery. Architect production‐grade applications that integrate AI models with full-stack frameworks, managing everything from interactive UIs to backend APIs and systems. Deploy and manage infrastructure within cloud environments, ensuring the highest levels of system integrity ...

Docker, GitLab, Cloudflare What We're Looking For Essential Experience Strong commercial experience building and maintaining production Ruby on Rails applications Full-stack development capability across backend and frontend technologies Experience working with PostgreSQL in high-volume production environments Strong understanding of cloud infrastructure … accountability Interested in helping shape engineering culture and technical standards Passionate about modern software engineering practices If you're an experienced full-stack engineer who enjoys taking ownership, solving complex technical challenges and working in a collaborative, fast-moving environment, we'd love ...

London Metal Exchange (LME) is seeking a Senior Engineer in London to join the IT team. You will design, build, and operate scalable services across frontend, backend, data, and infra to support trading and enterprise platforms. You will collaborate with product teams, vendors and apply automated ...

Exchange Limited is seeking a Senior Engineer to join our UK-London team. You will work in a full-stack capacity across frontend, backend, data and infrastructure, delivering production-grade services and APIs that support our strategic SPM platform. You will partner ...

seeking a Senior Software Engineer (full-stack) to own end-to-end delivery in a small, autonomous team in London. You will design and build services across the stack using JavaScript/TypeScript, Go and possibly Clojure, with strong emphasis ...

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 ...

Bite Engineering is looking for a Senior Software Engineer based in London. The role involves shipping features across the full stack, working on technologies like Node.js and React. The successful candidate will have at least 8 years of experience, preferably ...

Synthesia is seeking a senior software engineer to own end-to-end features across our React frontend and Python backend, guiding delivery from conception to release for our AI-powered enterprise video platform. You will lead projects spanning months, breaking problems into executable steps and collaborating ...

Bloomberg L.P. in London is seeking a Senior Software Engineer to join the Cross-Asset Trading Systems team. You will build a scalable, high‐volume platform using TypeScript, React and Redux, delivering features across frontend and backend services within the CATS initiative. You’ll work with ...

Java Script Works is looking for a Senior Fullstack Engineer in London, United Kingdom. The role involves building user-facing features and core system components using a tech stack that includes React, Go, Node.js, and Java. Candidates are expected to work autonomously while maintaining ...

Senior Software Engineer to help build next-generation technologies and scalable systems across AI, data pipelines, and full-stack work. You will join a full-stack team owning end-to-end development with opportunities to switch projects ...

Senior Full Stack Engineer (Ruby + Vue) Hybrid in Central London Up to £100k DOE We're partnering with an ambitious SaaS business that is entering a pivotal stage of growth and transformation. Having successfully built a profitable software platform serving thousands ...

Google Ads in London is seeking a Senior Software Engineer to design and build scalable full‐stack systems powering billions of ad interactions. You will work across backend and frontend with ML pipelines and AI features, collaborating with UX, Product, Sales ...

Google is seeking a Senior Software Engineer, Full Stack, for Google Ads in London. You will work across the full stack to design and deploy scalable ML-enabled ad tech solutions, with emphasis on performance, reliability, and impact. ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. … process optimisation initiatives. Communicate complex technical concepts effectively to non-technical stakeholders. 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 Java, Spring Boot and Microservices. Strong understanding of Agile ...

London, Greater London | £90k - £120k per year Senior Full Stack Engineer/Developer (Python Django Flutter AWS) London to £120k Are you a full stack technologist who enjoys working on Greenfield apps? You could be progressing your career … friendly office Influential role that you can shape as the company grows Your role: As a Senior Full Stack Engineer you'll design and develop new features and enhancements as the company scales from 250,000 users through to millions and transitions ...

Client Server Ltd. is seeking a Senior Full Stack Engineer to design and enhance features as the company transitions to microservices architecture. You'll work in a collaborative environment with cutting-edge technologies like Python and AWS. With a competitive salary ...

United States Digital Space LLC in London is seeking a senior software engineer to help develop and maintain our in-house network management utilities and applications. The candidate should be comfortable using the Linux command line interface. Prior experience with network devices and protocols such ...

Wolt is seeking a Senior Full‐Stack Engineer to join the Promotions team in London. You will build scalable backend services and user‐facing tools that help merchants grow through offers, discounts, and incentives on our platform. You will work across Kotlin ...

they travel, where they stay, or where they're going. We are looking for a Sr. Full-Stack Engineer to lead the design and development of mission‐critical product features and services that power our platform, used daily by thousands of travelers worldwide. ...