26 to 43 of 43 React Developer Jobs in London

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 ❯

.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 ❯

Mid Level React Native Developer Central London – Hybrid (3 days in office) £65,000 – £70,000 Im looking for a React Native Developer who is passionate about taking ownership and running with projects in a nimble, collaborative team. In this role, you’ll have the opportunity to explore creative ideas and contribute … latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and an understanding of cross More ❯

Mid Level React Native Developer Central London – Hybrid (3 days in office) £65,000 – £70,000 Im looking for a React Native Developer who is passionate about taking ownership and running with projects in a nimble, collaborative team. In this role, you’ll have the opportunity to explore creative ideas and contribute … latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and an understanding of cross More ❯

Mid Level React Native Developer Central London – Hybrid (3 days in office) £65,000 – £70,000 Im looking for a React Native Developer who is passionate about taking ownership and running with projects in a nimble, collaborative team. In this role, you’ll have the opportunity to explore creative ideas and contribute … latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and an understanding of cross More ❯

Mid Level React Native Developer Central London – Hybrid (3 days in office) £65,000 – £70,000 Im looking for a React Native Developer who is passionate about taking ownership and running with projects in a nimble, collaborative team. In this role, you’ll have the opportunity to explore creative ideas and contribute … latest technology trends and implement improvements to enhance product performance and user experience. Qualifications : 🎓Computer science degree or a similar degree. 🎓Strong command of JavaScript with proven experience in React Native. 🎓Ability to code components, manage state, and confidently handle the fundamentals without reliance on tools like Copilot. 🎓Familiarity with Git, HTML/CSS, and an understanding of cross More ❯

About the Role: Grade Level (for internal use): 11 Role Description: We are seeking an experienced and passionate Senior Frontend React UI Developer to build out our front-end web application, which will allow the users to create a graphical model interactively and collaboratively, view models, upload data and run models on that scenario data, as … the functionality we currently offer in the system. You will collaborate with other members of the team and define interface components required and be responsible for building out custom React components, and making changes as required. You will have influence on both the design and implementation, to participate in code reviews and ticket prioritisation. Responsibilities: Work with the wider More ❯

We’re looking for a React TypeScript developer to join our team building a geospatial analytics platform. You’ll be working on interactive maps, PostGIS-powered data, and a Relay js GraphQL API, turning complex data into clean, usable interfaces. You’ll also help shape components that connect with our AI chat assistant, making insights feel … seamless and interactive. You should be confident shipping production React apps, comfortable working with data-heavy UIs, and happy collaborating with backend and design. Experience with ai agents is a big plus — but more important is writing clear, maintainable code. More ❯

This young company is paving the way with Mobile Blockchain. This is not about a light client, or a crypto wallet on a mobile, this is about an entire blockchain running in full on mobile They are currently looking for 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 ❯

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 AWS SQL Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send More ❯

Full Stack Developer - Active SC, Java, Spingboot, React Up to £550 per day (Inside IR35) London/Remote 3 months initially My client is an instantly recognisable Consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. Key Requirements: Proven experience working as a Full Stack Developer, with Active Security Clearance (SC) Expertise in a range of technologies, including Java (8, 11, 17+), Spring/Springboot, React/HTML AWS Cloud Service experience Working experience with MySQL Nice to have: Technical hands on experience with Terraform/Kibana/Apache Camel Linux in a containerised environment Immediate availability If interested, with relevant experience More ❯

Full Stack Developer - Active SC, Java, Spingboot, React Up to £550 per day (Inside IR35) London/Remote 3 months initially My client is an instantly recognisable Consultancy who urgently requires a Lead Full Stack Developer to join a business-critical programme. Key Requirements: Proven experience working as a Full Stack Developer, with Active Security Clearance (SC) Expertise in a range of technologies, including Java (8, 11, 17+), Spring/Springboot, React/HTML AWS Cloud Service experience Working experience with MySQL Nice to have: Technical hands on experience with Terraform/Kibana/Apache Camel Linux in a containerised environment Immediate availability If interested, with relevant experience More ❯

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used … by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop thePlatform using C# with an opportunity to learn React during WPF to React migration Work directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communication and updates Be … standards Collaborate with other global Commodities technology teams and more widely across markets technology Knowledge/Experience: C# development experience with understanding of multi-threading JavaScript, Python, WPF, messaging, React and/or Angular are a plus but not required Experience in financial services is a plus but not required Correct attitude: treat the business, quants and tech colleagues More ❯

for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. UI ReactJS Developer role • Extensive knowledge of React JS, JavaScript, Web 2.0 and solid understanding of Object-Oriented Principles. • Demonstrated hands on experience using Java or JavaScript and experience designing More ❯

for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. UI ReactJS Developer role • Extensive knowledge of React JS, JavaScript, Web 2.0 and solid understanding of Object-Oriented Principles. • Demonstrated hands on experience using Java or JavaScript and experience designing More ❯

for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. UI ReactJS Developer role • Extensive knowledge of React JS, JavaScript, Web 2.0 and solid understanding of Object-Oriented Principles. • Demonstrated hands on experience using Java or JavaScript and experience designing More ❯

for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. UI ReactJS Developer role • Extensive knowledge of React JS, JavaScript, Web 2.0 and solid understanding of Object-Oriented Principles. • Demonstrated hands on experience using Java or JavaScript and experience designing More ❯