8 of 8 Permanent Senior Front-End Developer Jobs in London

Senior Front-End Developer (React) – Equity Derivatives Technology – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through … This section is about the candidate.*** Experience as a technical lead senior developer with front-end technology (JS, ideally React).* Extensive experience of system analysis and development of production-quality software applications.* Consistently clear and concise written ...

Senior Front-End Developer (React, TypeScript) - VP, FX Options Pricing Engineer the future of global finance At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through … future of finance with Citi Tech. The Opportunity We are seeking a highly skilled and motivated Senior Front-End Developer to join a critical greenfield program focused on transforming our electronic FX Options Trading business. This ...

seeking a Senior Front-End Developer to join their consulting team in the UK, focusing on delivering innovative solutions across public sector and defence accounts. This role includes building user-friendly interfaces and leading development activities ...

expertise to drive innovation and adoption of new technology. Your role and responsibilities We are seeking a Senior Front-End Developer to join IBM, delivering innovative digital solutions across public sector and defence accounts. Due to the nature … building modern, secure, and highly performant user interfaces, translating complex requirements into intuitive digital experiences. The role includes opportunities to lead front-end delivery, shape architecture and engineering standards, and guide development teams. Key Responsibilities Translate UI/UX designs into polished, user‐centric interfaces aligned ...

take your React and React Native skills to the next level? All you need is: 7+ years of experience as a Front-End Engineer; Strong proficiency in React 18+, including hooks, context, and modern patterns; Expert-level TypeScript experience with advanced types and strict configurations; Strong … state management tools (Redux, MobX, Zustand, etc.); Proven experience in building SPAs, PWAs, and working with RESTful and GraphQL APIs; Familiarity with front-end build tools (Webpack, Vite, Rollup) and CI/CD pipelines; Experience with automated testing frameworks (Jest, Cypress, etc.); At least ...

Vite, and esbuild (HMR, tree-shaking, code-splitting, bundle size optimization) Develop and publish npm packages (semantic versioning, changelogs, automated releases) Build Front-End CI/CD pipelines with GitHub Actions (lint/test/build/storybook/e2e, caching, multi-environment deployments) Design … experience with npm package development and publishing (monorepo/workspace experience is a plus) Proven experience with GitHub Actions (or similar) for front-end CI/CD Hands-on BFF development experience (Node.js, preferably NestJS/Express) Advanced TypeScript knowledge (generics, utility types, strict mode, configuration ...

Project description Development of AI-enabled solutions that support a signal-driven commercial intelligence platform connecting market insights, content creation, sales engagement, and client feedback. Responsibilities As a Frontend Engineer you will contribute to ...

posting is for a Senior Front End Developer at UKTV, located in London, UK. The role is a fixed-term contract, indicating a temporary position. UKTV offers a vibrant work environment with comprehensive benefits, but the posting lacks ...