23 of 23 React Developer Jobs in London

Senior React Developer/Front End Engineer (React TypeScript Data Visualisation) London to £80k Are you a skilled Software Developer with strong React and Data Visualisation skills combined with a good appreciation of financial markets and technology? You could be joining a growing, global, Fintech services company that has seen … year on year growth for the past 10 years and has ambitious growth plans. As a Senior React Developer you'll design and develop new features and enhancements to the front end of the platform with a focus on real-time data visualisation on business critical systems using React. You'll collaborate with backend engineers to … two days. About you: You have a strong knowledge of software engineering best practices and Computer Science fundamentals such as OOP, Data Structures, Design Patterns You have expertise with React and strong TypeScript skills You have experience with data visualisation and have worked on complex systems You have a good understanding of financial markets, ideally with experience in a More ❯

Java Fullstack Developer (React/Angular) - London - London Reference Code: 286956-en_GBContract Type: PermanentProfessional Communities: SaaS Solutions Job Title: Java FullStack Developer (React/Angular) – London, UK Permanent role Hybrid: 2-3 days work in office Get the future you want! Choosing Capgemini means choosing a company where you will be … world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role Capgemini is seeking an Java FullStack Developer (React/Angular) to join Capgemini Financial Services Digital Practice. This is a permanent, full-time position in London, UK and this represents a unique opportunity for someone to enhance … requirements and project timelines. Design and implement scalable and secure backend services using Java, Spring Boot, and related technologies. Develop responsive and intuitive front-end interfaces using Angular/React, HTML5, CSS3, and JavaScript/TypeScript. Ensure code quality through code reviews, unit testing, and best practices. Mentor junior developers and foster a culture of continuous learning and improvement. More ❯

React Developer - FX Derivatives & Risk Bromley (3 days per week on-site) 12-month contract Competitive day rate via umbrella Are you a React Developer who thrives in fast-paced, high-performance environments? This is your chance to join a front-office technology team working on cutting-edge trading systems that power … combines complex problem solving, UI performance optimisation, and exposure to financial products , all within a collaborative and innovative environment. What you'll be doing: Designing and developing high-performing React applications for FX Options and Risk. Optimising and scaling UI components to handle large volumes of real-time data. Collaborating closely with traders, quants, and other developers in an … platform that's critical to global trading operations. What we're looking for: Strong programming skills in an OOP language (Java, Python, etc.). Solid hands-on experience with React, JavaScript, HTML, and CSS. Good understanding of algorithms, data structures, and design patterns. Experience with agile methodologies (Scrum, Kanban, XP) and CI/CD practices. Background in UI design More ❯

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 … standards Hands-on approach Participation in sprint rituals What you’ll need 6+ years experience developing large-scale web applications Experience working in an agile environment Strong experience with React, Redux, Typescript Experience with Redux Toolkit, Material UI, Material UI theming Extensive experience using build tools (VITE, Next.js, webpack etc) Extensive experience using linting tools (eslint, prettier etc) Knowledge More ❯

Front End React Developer, React, Javascript, NW London to £80K 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 be on developing user interface components and implementing them following well … tools such as Babel, Webpack, NPM, 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 More ❯

Full Stack Developer: React + Java - Rates & Credit Trading Contact email: Job ref: Full_Stack_Dev_ We are seeking a Full Stack Developer to join the Credit & Rates Trading team at a leading investment bank. This role will be central to the re-engineering of several legacy trading applications, contributing to the design … and delivery of modern, real-time trading systems. Key Requirements Candidates must demonstrate strong technical expertise in real-time systems design and development, with advanced proficiency in React/TypeScript and solid Java skills. Experience & Skills Proven full stack development experience (React 70%/Java 30%) Advanced React and TypeScript skills, with experience in UI re-writes More ❯

Full Stack Developer - React/Python London | Hybrid (2 days office and 3 days from home) £60K-£70K + 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 You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up experience Why us? Big impact More ❯

Senior/Lead Hands on Full Stack Developer - React/Python London | Hybrid (3days in the office and 2 days 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 You have: Strong React & Python skills API & database experience A proactive, problem-solving mindset Ideally start-up or scale-up More ❯

Job Description: A Python, Quartz and React developer is needed to deliver the Regulatory controls work in London. Role Description: The person needs to have Python (ideally Quartz experience), and exposure to the reconciliation/controls model. The responsibilities will include business analysis, development, affinity with an agile way of working with stakeholders. And work with … the development team, across the globe. Skills: Python, SQL, Quartz, React, HTML, CSS, Competencies: At least 2-3 years of Python and 1 year of React experience. Hands on experience in Quartz application development Hands on experience in Python , Rest API development and SQL Should have experience on Agile development Should be able to work as L3 support … in a Devops environment UI design and development, ideally in React JS. MI and reporting development using Tableau. Enterprise architecture, DevOps and Agile/Lean delivery techniques. Automated testing, instrumentation and data visualization techniques More ❯

Job Description: A Python, Quartz and React developer is needed to deliver the Regulatory controls work in London. Role Description: The person needs to have Python (ideally Quartz experience), and exposure to the reconciliation/controls model. The responsibilities will include business analysis, development, affinity with an agile way of working with stakeholders. And work with … the development team, across the globe. Skills: Python, SQL, Quartz, React, HTML, CSS, Competencies: At least 2-3 years of Python and 1 year of React experience. Hands on experience in Quartz application development Hands on experience in Python , Rest API development and SQL Should have experience on Agile development Should be able to work as L3 support … in a Devops environment UI design and development, ideally in React JS. MI and reporting development using Tableau. Enterprise architecture, DevOps and Agile/Lean delivery techniques. Automated testing, instrumentation and data visualization techniques More ❯

Lead Full Stack Developer (React/Python) | AI Healthcare Start-Up! City of London | Hybrid (3 days office/2 days remote) £85K-£110K + Equity | Permanent | AI High-Growth Start-Up Robert Half Technology are proud to be partnering with a game-changing AI start-up on a mission to revolutionise healthcare. This is your … chance to join early, build groundbreaking tech, and make a real difference. We’re looking for a Lead Full Stack Develope r who thrives across the stack, React on the front end, Python on the back end and wants to shape the future of our platform from the ground up. You must have at least 5+years of experience as … a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL, Firestore, Docker/Kubernetes, CI More ❯

Lead Full Stack Developer (React/Python) | AI Healthcare Start-Up! City of London | Hybrid (3 days office/2 days remote) £85K-£110K + Equity | Permanent | AI High-Growth Start-Up Robert Half Technology are proud to be partnering with a game-changing AI start-up on a mission to revolutionise healthcare. This is your … chance to join early, build groundbreaking tech, and make a real difference. We’re looking for a Lead Full Stack Develope r who thrives across the stack, React on the front end, Python on the back end and wants to shape the future of our platform from the ground up. You must have at least 5+years of experience as … a Lead Full Stack Develope r What you’ll do: • Craft sleek, responsive UIs with React • Build robust APIs & backend services in Python (FastAPI or Django/Flask) • Design, develop, and own features end-to-end • Influence the evolution of our tech stack • Work with cutting-edge tools: GCP/AWS/Azure, MySQL, Firestore, Docker/Kubernetes, CI More ❯

Role: React Native Developer Location: London/Knutsford/Glasgow/Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer , you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts … be a technical steward , setting standards and fostering a culture of continuous improvement across the mobile development team. What You'll Do: Lead the development of mobile applications using React Native and modern JavaScript (ES6+). Drive technical design and implementation of new features, ensuring code quality and maintainability. Promote modern architectural patterns, such as modular design and state … emerging technologies and contribute to strategic technical decisions. What We're Looking For: 5-8 years of experience in front-end or mobile development, with a strong focus on React Native . Deep understanding of JavaScript/TypeScript , mobile performance optimization, and component-based architecture. Solid knowledge of mobile development workflows, debugging, testing (Jest, Detox), and CI/CD. More ❯

Role: React Developer Client: Tech-driven FinTech Location: London, City based (2 days onsite) Day Rate: Up to £600 P/D Contract: Outside – Long term rolling Full spec is available My client is an award-winning and tech-driven FinTech firm with beautiful offices based in the city of London. They are after someone with … and a desire to learn/work on new tech with a team of genuinely nice people! Successful candidates will have the following skills and experience: • Develop clean, efficient React code for front office development • Worked in financial services – Domain knowledge such as FX, Market data IB, Trading etc... • Microservice experience • Collaborative mindset with a genuine desire in tech … Strong understanding of React mandatory • A degree in Computer Science or equivalent If the above is of interest please apply ASAP More ❯

Role: React Developer Client: Tech-driven FinTech Location: London, City based (2 days onsite) Day Rate: Up to £600 P/D Contract: Outside – Long term rolling Full spec is available My client is an award-winning and tech-driven FinTech firm with beautiful offices based in the city of London. They are after someone with … and a desire to learn/work on new tech with a team of genuinely nice people! Successful candidates will have the following skills and experience: • Develop clean, efficient React code for front office development • Worked in financial services – Domain knowledge such as FX, Market data IB, Trading etc... • Microservice experience • Collaborative mindset with a genuine desire in tech … Strong understanding of React mandatory • A degree in Computer Science or equivalent If the above is of interest please apply ASAP More ❯

Mid-Weight React Native Developer £60,000-£70,000 + benefits | Holborn (Hybrid) A growing digital agency in Holborn is looking for a Mid-Weight React Native Developer to join their small engineering team. The business specialises in building AI-driven tools - from chatbots to scraping systems and retrieval solutions - with a … strong client base across the UK and Europe. The Role This is a hands-on React Native role, focused purely on mobile development (no web components). You'll be responsible for integrating two Python APIs (REST and GraphQL), optimising app performance, and contributing to new AI-centric features. The set-up is collaborative: pair programming, code reviews, and … pragmatic engineering in a small, lean team. Key Responsibilities Build and optimise React Native applications. Integrate with Python APIs (REST and GraphQL). Drive performance improvements: bundles, memory, startup, animations, offline. Participate in PR reviews and pair programming. Contribute to AI features (chatbots, scraping, retrieval systems). Manage store releases, updates, and monitoring. What's Needed 2-3+ More ❯

Front End Developer/Engineer (TypeScript React Native AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career … work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team in London with … one day a week. About you: You are degree educated in Computer Science, from a top tier university (e.g. Russel Group, Oxbridge) You have Typescript experience combined with strong React and React Native skills You're proficient with HTML5 and CSS3 You have experience of responsive design for desktop and mobile You're keen to work in a More ❯

Contract: 3–6 months Location: London Day rate: £350 - £450/day We’re seeking a skilled 3D React Developer with strong experience in Three.js, WebGL, and PlayCanvas to contribute to a cutting-edge real-time 3D web project. You’ll be working with high-quality Unreal Engine content streamed to the web, creating engaging and … performant 3D experiences for users. Responsibilities: Develop and optimise interactive 3D web applications Integrate real-time 3D content into React-based environments Collaborate closely with designers, backend engineers, and 3D artists Troubleshoot performance and rendering issues across devices and browsers Requirements: Proven experience with Three.js, WebGL, PlayCanvas Strong React and JavaScript skills Understanding of 3D asset pipelines and More ❯

.NET Developer - Financial Trading - C#, React - London (Tech stack: .NET Developer, .NET 9, C#, React, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client, a market-leading financial trading firm, renowned for its innovation, lightning-fast technology and elite engineering culture, is seeking talented .NET Developer … of the technological curve. This is a rare opportunity to join a company where tech is not a support function, it is the business. The ideal candidate .NET Developer will have commercial experience working with .NET, C# and React.. Prior exposure to trading systems or financial services is highly desirable due to the nature of the role. … low-latency trading platforms and tools. This is a greenfield project and a chance to leave your mark on a business-critical system from day one. All .NET Developer positions come with the following benefits: Company shares 15% pension contribution Bupa private healthcare 3 hours per week of personal development time £4.5k annual training allowance 27 days More ❯

I am currently working with a London-based investment bank who urgently require multiple eTrading React Developers on a long-term contract basis for a business-critical project in the front-office space. What you'll need to succeed Extensive React and Javascript development experience within a front-office/eTrading environment - Mandatory. Strong knowledge of a range More ❯

for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React Typescript AI (desirable) Java (desirable) AWS SQL Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please More ❯

passionate engineers to help us build the future of payments. Role Overview: We are seeking a talented and driven Mid-Level Full Stack Engineer with strong skills in Node.js, React , and AWS cloud infrastructure . Youll play a key role in designing, developing, and maintaining scalable microservices and user interfaces for our core payments platform. Youll work in a More ❯

product and working in exciting, changeable environments What We’re Looking For: Degree in a STEM subject or equivalent experience Exposure to Python or JavaScript/TypeScript frameworks (e.g. React) Curiosity and a willingness to learn new tools and technologies An interest in geospatial data or map-based applications is a bonus A natural problem-solver who enjoys working More ❯