22 of 22 React Developer Jobs in London

React Developer/Front End Engineer (React v19 TypeScript) London/WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer … impressive Central London office with flexibility to work from home twice a week. About you: You have strong Front End development skills with React (they're using v19) and TypeScript You are experienced with other web technologies such as HTML, CSS, Web APIs You have a strong knowledge ...

Front End React Developer, React, JavaScript, NW London to £80K A leading financial software company are looking for a great JavaScript developer who is proficient with React js. Your primary focus will be on developing user interface components and implementing them … following well-known React js workflows, specifically Redux and RTK. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving ...

React Developer/Front End Engineer (React v19 TypeScript) London/WFH to £95k Do you have expertise with React? You could be progressing your career at a Hedge Fund with complex work and substantial bonus earning potential. As a React Developer ...

Front End React Developer, React, Javascript, NW London to £75K A leading financial software company are looking for a Front End JavaScript developer who is proficient with React.js. The role is Offcie based in North West London, Your primary focus will … etc. Ability to understand business requirements and translate them into technical requirements A knack for benchmarking and optimization Familiarity with git Experience with React Native is a bonus ****THIS ROLE IS OFFICE BASED ...

Senior React Developer Contract Length: 3 months Rate: 500-550 p/d Inside IR35 Overview We are seeking a highly skilled engineer with deep expertise in React and Single Sign-On (SSO) implementations , particularly Okta . The successful candidate will combine strong front … skills with proven experience in authentication and identity management. Key Responsibilities Modernize and refactor an existing Fix UI application: Update outdated codebase to current React standards. Improve maintainability and performance. Implement multi-tenant architecture within the UI. Integrate the application with SSO solutions , ensuring flexibility to connect with: OAuth ...

Senior React Developer Contract Length: 3 months Rate: (Apply online only) p/d Inside IR35 Overview We are seeking a highly skilled engineer with deep expertise in React and Single Sign-On (SSO) implementations , particularly Okta . The successful candidate will combine strong front … skills with proven experience in authentication and identity management. Key Responsibilities Modernize and refactor an existing Fix UI application: Update outdated codebase to current React standards. Improve maintainability and performance. Implement multi-tenant architecture within the UI. Integrate the application with SSO solutions , ensuring flexibility to connect with: OAuth ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack ...

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (4days in the office and 1 day from home) £110,000+ Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. You'll: Build responsive UIs in React Develop APIs & services in Python (either Django/Flask/FastAPI) Own features end-to-end Help shape our tech stack ...

Senior/Lead Hands on Full Stack Developer - React/Python London Hybrid (4days in the office and 1 day from home) £110,000+ Equity Full-Time Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end click apply for full job details ...

Robert Half Technology are assisting a market leading organisation to recruit a Front-End React Developer (Contract) Remote working (UK-based). Role (Contract) The Front-End Developer will take ownership of core UI areas and accelerate delivery of key product features. Work … teams to create AI-driven functionality, including natural-language search, agentic workflows, and context-aware UI components. Deliver high-quality, performant interfaces using React and Next.js . Build user interfaces for LLM-powered search , AI agents, and advanced data analytics tools. Design clean, intuitive UX for interacting with ...

Your role: The Intermediate React Developer is a member of a small, highly focused team, responsible for building a modern, sophisticated applications, using leading edge technologies. This is an opportunity to work alongside some of the best developers in London and apply your craft ...

combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title And Summary Lead React Developer Overview Mastercard Developers (https://developer.mastercard.com) is the single platform for Mastercard partners to access a diverse range … Platform and services to support customer integrations on occasion All About You 8+ years professional, hands-on, frontend application development experience. Expert React ES6 Javascript and Typescript skills including areas of functional and asynchronous programming. Expert CSS development knowledge and experience with both native and using frameworks e.g. bootstrap ...

fantastic, fully remote opportunity! Are you an experienced Full Stack PHP Developer with React? This well-established SaaS platform used by businesses across the UK prides itself on providing a stable, reliable, and feature-rich service to its large portfolio of clients. They foster a collaborative … Responsibilities: Develop, test, and deploy robust backend features using PHP and frameworks like Slim4. Build and maintain responsive and engaging user interfaces using React, HTML, CSS, and JavaScript. Collaborate closely with product managers, designers, and other developers to translate requirements into technical solutions. Write clean, maintainable, well-documented ...

fantastic, fully remote opportunity! Are you an experienced Full Stack PHP Developer with React? This well-established SaaS platform used by businesses across the UK prides itself on providing a stable, reliable, and feature-rich service to its large portfolio of clients. They foster a collaborative … Responsibilities: Develop, test, and deploy robust backend features using PHP and frameworks like Slim4. Build and maintain responsive and engaging user interfaces using React, HTML, CSS, and JavaScript. Collaborate closely with product managers, designers, and other developers to translate requirements into technical solutions. Write clean, maintainable, well-documented ...

Engineer to help lead the technical evolution of this critical platform. The Opportunity You’ll join a growing team building scalable, secure systems using React , Python , and AWS , helping to drive our mission to cut the impact of flooding in half.This is more than just building products … improve engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps ...

Ability to talk to senior non-technical staff. You’ll report to our Head of Engineering. your experience Developing front end of applications in React Interfacing web APIs with Public Cloud Demonstrating exceptional communication skills as a consultant Strong stakeholder management at all levels who you’ll work with ...

Lead Software Developer (PYTHON/AWS/REACT) - health tech - tech for good, make a positive impact on the world. Highly successful and fast growing organisation has an exciting opportunity for a Lead Software Developer (PYTHON/AWS/REACT). … PURPOSE Part of the extended Technology Leadership Team, the Lead Software Developer will design, implement, and maintain publishing software, systems, and customer- facing digital products. They will provide technical supervision and guidance across the team, establishing and maintaining the development processes and working practices. MAIN ACCOUNTABILITIES Lead ...

Front End Developer - ReactJS, Redux, Typescript London/Remote (Must be UK based) Up to £545 per day (Inside IR35) 3 months My client is an instantly recognisable consultancy who require a Front-End Developer for a high-profile end client within the Insurance … commit hooks, and build/package/test processes. Solid understanding of consuming RESTful APIs and authentication protocols (JWT, OAuth). Expertise in React component development and tools like Storybook; familiarity with A11y, Azure, and DevOps is a plus. Excellent communication and stakeholder management skills. Nice to have: Previous ...

deliver an industry-leading product Develop and maintain a scalable component library Optimise for performance, maintainability, and code quality Requirements Strong experience with React , TypeScript , CSS, and responsive design Proven ability to build interactive, user-friendly applications Experience leading front-end initiatives Familiarity with AWS, Python, or database technologies … Excellent communication skills Onsite working required Nice to have: React Query, Storybook, Material UI, design systems experience. Benefits Competitive pay + equity Employer-paid dental & vision Flexible PTO + paid holidays Daily team dinners & regular offsites Latest Apple tech and unlimited tools ...

DESCRIPTION We want the person to potentially work with the team to Help build on the eSign environment in React Implement a framework (React JS, Node JS,Express JS,Mongo DB (MERN Stack)) Help use this for new applications across Motor and other applications Allow Designers to make ...

(React.js) | Design Systems within Financial Services | £120,000 + Bonus + Benefits | London Hybrid I am looking for a Senior Frontend Engineer with React and experience in Design Systems to help build components within the Design team in one of the fastest growing Trading firms. The FinTech … latest technologies If you are interested in this Senior Frontend Engineering role, please reply to this advert with your latest CV. Senior Frontend Developer (React.js) | Design Systems within Financial Services | £120,000 + Bonus + Benefits | London Hybrid ...

Full Stack Post Trade Developer – Elite Systematic Hedge Fund – C#, Angular/React, SQL – London – Multiple Headcount – Market Leading Compensation One of the world’s most forward-thinking systematic hedge funds is expanding its Post-Trade Technology group and is hiring a Post-Trade Developer … closely with analysts, PMs, and developers in a lean, technically strong team where projects are shared and impact is visible. Tech Stack Frontend: Angular (React also fine) Backend: C# Database: SQL Server What They’re Looking For Strong full-stack engineer (C#, SQL + Angular/React) Experience ...