126 to 138 of 138 React Developer Jobs in London

React Native Developer (Expo) – Secure Tech: Details: Type: Contract. Hybrid: London. Market rate: Daily (Outside IR35). Start date: ASAP. Company and role: Our client is seeking a React Native Contractor to help shape the future of secure communication. You’ll be joining a lean, highly technical team focused on building the next-gen in … the "Secure Tech" focused industry — with real impact and purpose. Key responsibilities: React Native Developer (Expo) – Secure Tech Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/… CD pipelines. What we're looking for: React Native Developer (Expo) – Secure Tech 4+ years’ experience with React Native, ideally using the Expo SDK. Strong knowledge of native module development in Kotlin/Swift. Exposure to cryptographic principles, MIME standards, and OAuth2. Hands-on experience with secure systems, testing frameworks, and Git workflows. Excellent communication More ❯

I'm working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they'll be adding new features … existing code is robust and scalable. They have an engineering team of around 40 currently which is split down into agile squads. In the squads you'll find a React Developer, Back End Developer, Tech Lead, Designer, and Product Manager. Some key considerations: Produce tested, clean, scalable code Collab with x-functional teams … Rotate teams on a quarterly basis to complete a variety of tasks The successful React Developer will have access to remote/flexible working, unlimited holiday, and discounts with all kinds of retail stores/outlets. Please note that if you are NOT a passport holder of the country for the vacancy you might need a More ❯

Social network you want to login/join with: Job Description We are currently looking for a Senior Frontend Developer (m/f/d) who is passionate about developing the best web applications. Amongst many exciting challenges, you will: Develop web applications for one of the biggest publishing houses in the world Work in a team … experienced developers and product managers Take full ownership of your projects Write unit tests and work on improvements of the current platforms - You must have extensive experience with using React and also have the capability to write unit tests (Jest, Enzyme, React-Testing Library). - Experience in implementation of responsive design based on provided mockups. This is a More ❯

Views: 2 Posted: 28.06.2025 Expiry Date: 12.08.2025 col-wide Job Description: Details: Type: Contract. Hybrid: London. Market rate: Daily (Outside IR35) Company and role: Our client is seeking a React Native Contractor to help shape the future of secure communication. You’ll be joining a lean, highly technical team focused on building the next-gen in the "Secure Tech … focused industry — with real impact and purpose. Build performant, secure mobile applications using React Native (Expo), Kotlin, and Swift. Integrate with Gmail APIs, manage OAuth2 flows, and handle MIME payloads. Implement responsive UIs from Figma designs. Contribute to architecture, automated testing, and CI/CD pipelines. What we're looking for: React Native Developer (Expo … Secure Tech 4+ years’ experience with React Native, ideally using the Expo SDK Strong knowledge of native module development in Kotlin/Swift Exposure to cryptographic principles, MIME standards, and OAuth2 Hands-on experience with secure systems, testing frameworks, and Git workflows Excellent communication and problem-solving skills If you’re ready to build meaningful tech with a team More ❯

thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. We're on the lookout for an exceptional Lead React Native Developer to join our dynamic team in London (with a great hybrid setup, of course!). This role is about much more than just writing … be a key part of our mobile development efforts, taking on a few important responsibilities: Setting the Technical Vision: You'll be the go-to person for all things React Native, shaping the technical vision and architecture for our projects. You enjoy diving into tough technical puzzles and coming up with clever, impactful solutions that benefit everyone. You'll … changes smoothly, all whilst ensuring clients remain happy. Growing Our Talent: This is where the human touch truly shines! You'll lead by example, actively mentoring and coaching our React Native developers, helping them grow their skills and careers. You'll foster a learning culture, encourage knowledge sharing, and help us all achieve our collective goals. Should you be More ❯

Technical Skills 7-8 years of overall experience in software development with React JS. Experience using various design patterns, preferably MVC, Singleton, Facade, and Factory. Proficient in Object-Oriented Design (OOD), implementation, and design patterns. Hands-on experience with React JS and Java API integration. Solid understanding of web and mobile application architecture and security (OAuth, JWT, Spring More ❯

Social network you want to login/join with: A small team in a well-funded company are looking for a React Native Developer to help them with a user-facing greenfield project. The app uses some really intuitive IoT technology which is at the core of this company's overall offering. Some key responsibilites and … requirements are: to have delivered iOS and Android app(s) using React Native that are available on the stores collaborate with the team which includes Product, Backend, and another React Native Developer understanding of Ionic to assist with improving the existing app The successful React Native Developer will be rewarded with More ❯

I'm looking for a React Native developer to join a client of mine based in Putney. They are a scale up, in the Tech-for-Good space, helping to improve accessibility for disabled members of society, in spaces such as transport and hospitality. Hybrid - 2 days on-site Salary More ❯

Social network you want to login/join with: We’re seeking an experienced PHP/React Developer to enhance our translation solutions, especially our in-house CAT tool, Robert. You’ll need proven expertise in designing and developing robust applications using PHP and React, with a clear understanding of best practices, secure coding, and More ❯

ReactNativeDeveloper(Expo)SecureTech: Details: Type: Perm. Hybrid: London. Marketrate: Highlycompetitive(dependingonexp) Startdate: ASAP. Companyandrole: OurclientisseekingaReactNativeDevelopertohelpshapethefutureofsecurecommunication.Youllbejoiningalean,highlytechnicalteamfocusedonbuildingthenext-geninthe"SecureTech"focusedindustrywithrealimpactandpurpose. Keyresponsibilities:ReactNativeDeveloper(Expo)SecureTech Buildperformant,securemobileapplicationsusingReactNative(Expo),Kotlin,andSwift. IntegratewithGmailAPIs,manageOAuth2flows,andhandleMIMEpayloads. ImplementresponsiveUIsfromFigmadesigns. Contributetoarchitecture,automatedtesting,andCI/CDpipelines. Whatwe'relookingfor:ReactNativeDeveloper More ❯

React/.Next.js Developer | Inside IR35 | Remote - UK | 6 Month Contract Our client a multinational and respected consultancy is hiring for a React/.Next.js Developer Developer with expertise in React and Next.js for a new project in the Communication Sector. Duration: 6 Months + Extensions Location: Remote More ❯

React/.Next.js Developer | Inside IR35 | Remote - UK | 6 Month Contract Our client a multinational and respected consultancy is hiring for a React/.Next.js Developer Developer with expertise in React and Next.js for a new project in the Communication Sector. Duration: 6 Months + Extensions Location: Remote More ❯

React/.Next.js Developer | Inside IR35 | Remote - UK | 6 Month Contract Our client a multinational and respected consultancy is hiring for a React/.Next.js Developer Developer with expertise in React and Next.js for a new project in the Communication Sector. Duration: 6 Months + Extensions Location: Remote More ❯