23 of 23 React Developer Jobs in London

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 ...

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 Key Responsibilities Modernize and refactor an existing Fix UI application: Update outdated codebase to current React standards.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 Key Responsibilities Modernize and refactor an existing Fix UI application: Update outdated codebase to current React standards.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 ...

Front End Developer (TypeScript React) London/WFH to £90k Are you a skilled Front End Developer looking to progress your career in a diverse, supportive environment? You could be joining a start-up FinTech software house that provides AI powered trading platforms … diverse team of engineers and innovators to build high-performance applications that deliver real-time insight and impact. You'll design and develop complex React and TypeScript applications, ensuring performance, scalability and maintainability, collaborating with UI/UX designers and backend engineers to design and refine RESTful APIs ...

Senior Front End Developer/Engineer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Senior Front End Developer with strong React and Redux skills? You could be progressing your career in a senior, hands-on Front End Developer … digital experience that makes complex energy systems simple, powerful and intuitive, creating user interfaces that bring trading and billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript ...

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 ...

React Developer - Fixed Income eTrading We are seeking experienced React Developers to join the Fixed Income eTrading technology team at a global investment bank. This position is part of a high-profile, multi-year transformation initiative aimed at modernising and scaling a next-generation electronic ...

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 ...

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 ...

Title: Full Stack Developer Client: Leading FinTech Firm Compensation: Up to £180k + Bonus Location: London (Hybrid) Perks: Modern tech stack, flat team structure, collaborative culture, beautiful workspace We're working with a top-tier FinTech client who is looking for outstanding Full Stack Developers to join … degree in Computer Science or a related field Solid experience working as a Full Stack Developer Strong proficiency in React and Python Experience in the finance sector is a plus Excellent written and verbal communication skills A proactive approach to learning and a willingness to adopt ...

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 ...

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 ...

FinTech, Transportation, Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player ...

FinTech, Transportation, Insurance, Media or other complex multifactor industries Requirements 3+ years of professional experience (A technical assessment will be required) Experience with Javascript, React, Redux, Websockets, Async/Await Ability to create clean, modern, testable, well-documented code Advanced English fluency, verbal and written Professional, empathic, team player ...

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 ...

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 ...

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 ...

working with an e-commerce company on the lookout for a React,js developer for a 6 month contract.Outside IR35Fully remote£450 - £500 per day Very Strong React.JS Strong knowledge of Software Design Patterns Strong understanding and experience of Database technologies in particular Mongo DB? Strong ...

(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 ...

Frontend Engineer - AI Video Platform Location: Onsite Type: Permanent Salary: Competitive + Equity We are partnered with an innovative AI company building a cloud-native video security platform powered by advanced computer vision and multimodal ...