23 of 23 React Developer Jobs in London

Front-End Developer (React and React Native) Competitive salary Bromley, Kent Fixed Term Contract (12 Months) We’re looking for an experienced Frontend Developer (React & React Native) to join our Digital Solutions team on a 12-month fixed-term contract. … involved across the full development lifecycle from collaborating with the business to understand customer needs, through design and build, to testing and release. Strong React and React Native expertise, a passion for clean, scalable front-end development, and a customer-first mindset will be critical to your success. ...

Robert Half Technology are assisting a global market leading e-commerce organisation to recruit a React Developer on a 6 months contract basis. Hybrid working - London based As a React Developer, you will build features that enable the platform to operate globally … supporting localisation, performance, and seamless integration with backend systems. Role The React Developer will be responsible for implementing multi-language UI and localisation frameworks Supporting currency display and regional UX behaviour Building features across Live and seller platform surfaces Integrating with backend services via GraphQL Contributing ...

Robert Half Technology are assisting a market leading financial services organisation to recruit a React Developer on a contract basis. Hybrid working - London based Role The React developer will be working on the build of a product-grade React & Typescript application … from greenfield through to a maintainable, globally scalable, and secure product Greenfield build to production: build a production-grade React & TypeScript application from zero to a maintainable, scalable platform Data-dense UI delivery: Deliver high-quality UI for dashboards, tables/grids, filtering/sorting, drilldowns, forms, and multi ...

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 ...

partnering with an innovative and fast-growing technology business to recruit a Senior Frontend Developer with deep expertise in React and React Native . This is a key hire within the engineering team, suited to someone who can take ownership of core frontend areas , work … independently, and confidently deliver complex features from development through to release. Key Responsibilities Develop and maintain web applications (React/Next.js) and mobile apps (React Native/Expo) Take ownership of features from concept through to production release (including App Store deployment) Design and implement robust frontend architecture ...

Title: Senior Full Stack Developer (React & C#.NET) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa £650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React … Server, PostgreSQL, or other relational databases. containerisation: Experience with Docker and Kubernetes. Key Responsibilities Design & Develop: Create and maintain full stack applications using React JS and C#.NET Core. Build Services: Develop high-performance backend services and RESTful APIs with a focus on scalability and resilience. Create UI Components: Craft ...

Frontend React Developer SC cleared Active SC Cleared required Inside of IR35 Role Overview We are seeking a Senior Front-End Developer to lead the delivery of accessible user-centric interfaces for a secure law enforcement data service. This role requires a strong … ensure seamless integration and user experience. - Mentor junior developers and contribute to the overall technical direction of the team. Qualifications - Extensive experience with React and modern JavaScript. - Strong understanding of accessibility standards (e.g., WCAG). - Experience integrating with RESTful APIs. - Proven experience working within UK Government or public sector ...

Role Title: Senior React Native Developer Minimum number of relevant years of experience: 8+ yrs Technical Must Haves: Strong experience in Core React Native 0.81, TypeScript 5.x, React 19 Strong experience in State Redux Toolkit , Zustand , React Query , Apollo Client Testing Jest , React Native Testing Library strong requirement many test files Any Certifications required: Preferred but not mandatory Performance Expectations : Core React Native 0.81, TypeScript 5.x, React 19 State Redux Toolkit Zustand React Query Apollo Client Testing Jest React Native Testing Library strong requirement many test files ...

Full Stack Developer (React/Java)Location: Central LondonContract Length: 12 months IT product team is looking to hire a lead developer with over 10 years experience delivering enterprise level front office e-trading applications. A proven track record delivering low latency, performance … Worked on low latency software for traders and sales people* Mix of risk platforms as well as sales platforms etc* Languages - JavaScript/typescript * React essential + redux would be desirable* Backend Java ...

Role: Software Developer (React) – Up to £120,000 + Bonus + Package Salary: Up to £120,000 + Bonus + Package Location: London (Hybrid Working) Skills: React as a main language (modern JavaScript/TypeScript) This firm is an elite technology company with exceptionally high … Some of the highest-performing and most complex front-end platforms in the world Building highly responsive, scalable, and elegant UIs using modern React Collaborating with a handpicked group of top-tier engineers across frontend, backend, and infrastructure What else is in it for you? Software Engineers are treated ...

This is an exciting opportunity for a Senior UI React/Java Developer to contribute to innovative projects in the Financial Services industry. The role is based in London and focuses on delivering high-quality solutions within a collaborative technology department. Client Details The client … technology landscape and their commitment to building high-performance trading platforms that support complex, fast-moving Fixed Income markets. Description As the Senior UI React/Java Developer, you will: Lead front-end development for a new trading system within the credit space Build advanced, high ...

TheOpportunity Wearepartneringwithaninnovativeandfast-growingtechnologybusinesstorecruita SeniorFrontendDeveloper withdeepexpertisein ReactandReactNative . Thisisakeyhirewithintheengineeringteam,suitedtosomeonewhocan takeownershipofcorefrontendareas ,workindependently,andconfidentlydelivercomplexfeaturesfromdevelopmentthroughtorelease. KeyResponsibilities Developandmaintain webapplications(React/Next.js) and mobileapps(ReactNative/Expo) Takeownershipoffeaturesfromconceptthroughto productionrelease(includingAppStoredeployment) Designandimplement robustfrontendarchitectureandintegrationlayers Manageauthenticationflowsusing MSAL Collaboratecloselywithbackendteamsworkingon Node.jsmicroservices Supportdeploymentandconfigurationacrossenvironmentsusing Azure KeyRequirements 5+yearscommercialexperiencewithReact Strongcommercialexperiencewith ReactNative Provenexperiencedelivering mobileappstotheAppStore Experiencewith Next.js (essential) Experiencewith Expo (highlydesirable) Strongknowledgeof MSALandauthenticationflows Experienceworkingwith ...

Title: Frontend Engineer – React/TypeScript/Next.js Location: London (Hybrid – 2‐3 days in office) Salary: £70,000 – £75,000 + Equity About the Company You’ll join a fast‐scaling SaaS business that’s redefining how enterprise sales teams operate. Their platform uses advanced AI and deal … deep and product‐led. About the Role You will help shape the front end of a high‐impact product used by enterprise customers, using React , TypeScript , and Next.js . You’ll work across the full front‐end life cycle — from architecture and design collaboration, through to deployment and optimisation ...

Overview We're looking for a React UI Developer to build modern, responsive, and high-quality user interfaces using React and contemporary frontend technologies. You'll work closely with designers and backend engineers to deliver intuitive, performant web applications. Key Responsibilities Build and maintain … components using React Translate designs into responsive, accessible interfaces Integrate with APIs and backend services Optimise UI performance and quality Contribute to code reviews and frontend best practices Required Skills Strong experience with React JavaScript (ES6+)/TypeScript HTML5, CSS3, responsive design State management (Redux, Context, etc.) REST ...

Senior Web Application Developer ASP.NET MVC 5, C#, & React Location: Hybrid 3/4 days p/w onsite West London Must have right to work in the UK and located near West London 3 months contract (extension TBC) Start ASAP (Immediate start/within … experience with a strong portfolio in bespoke eCommerce and enterprise web applications. * Proven expertise on C#, ASP.NET MVC 5, SQL Server, Entity Framework, and React experience desirable to have HTML5, CSS3, JavaScript, jQuery. * Strong knowledge of Object-Oriented Programming, SOLID principles, and common design patterns. * Experienced in RESTful ...

TypeScript Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute to backend services and APIs (Python or Laravel ...

industry leading global financial and technology organisation are looking for Senior Java Software Engineers with 7+ years’ experience, who have some experience in React or similar, plus modern JavaScript/TypeScript, who like to innovate and be part of a team creating next-generation investment finance technology. Based … using API-First principles. Design, develop, and implement secure, scalable, and reliable micro-services to deliver client-facing applications using a Java backend and React frontend. Optimize performance and reliability through continuous testing, debugging, and refinement. Stay abreast of industry trends and emerging technologies to drive innovation and maintain ...

Lead Developer, Azure, .NET, C#, React, LogicApps, Full Stack Engineer, Mainly Remote Lead Developer required for a Professional Services business based in Central London. There will be a requirement to be present in the office circa twice a month. On the odd occasion … Previous candidates usually fall down on their lack of skills with LogicApps this is essential Good, hardened Full Stack Development skills within C#, .NET, React, JavaScript, HTML/CSS, Azure PaaS (Azure Functions, Azure Logic Apps, Cosmos DB, Azure App Service, ARM/Bicep templates), SharePoint Acceptance that Development ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts click apply for full job details ...

SeniorPythonDeveloper(PYTHON/AWS/REACT)-healthtech - tech for good - make a positive impact on the world. HighlysuccessfulandfastgrowingorganisationhasanexcitingopportunityforaSeniorPythonDeveloper(PYTHON/AWS/REACT. Theyarelookingforatalentedindividualwhowilldesign,implement,andmaintaintheirpublishingsoftware,systems, andcustomer-facingdigitalproducts. Requirements Designandimplementsystemsandsoftwaretomeetrequirementsusingappropriatetoolsandmethods. Promotethecreationofhigh-qualitycodebycommitmenttopracticessuchastest-drivendevelopment,pairprogrammingandcodereview. Beresponsibleforthetechnicaldevelopmentofallstagesofsoftwarecreation,includingtesting;ensurethatimplementationmeetssecurity,performance,andsafetyrequirements. Suggestimprovementstothecodebase,developmentprocesses,toolingandworkingpractices.Encourageinnovationbyidentifying,evaluatingandadoptionofemergingtechnologies. Assistwiththedesign,implementation,andtestingofAPIsthatadheretotheOpenAPIspecification Knowledge&Skillsforthisjob ...

systems. This is an opportunity to on a platforms used in real-world cyber defence. Design, develop, and maintain responsive front-end interfaces using React Build and manage robust, scalable server-side applications with Node.js Write clean, efficient, and well-documented JavaScript code across the full stack Identify … improve development processes Required Skills/Experience: 3-4+ years of hands-on experience with JavaScript in a professional environment Strong proficiency with React for building dynamic, user-friendly front-end applications Solid experience with Node.js for developing RESTful APIs and back-end services Experience with version control ...

scalability, and extensibility. This is a newly created role for a growing business. An amazing opportunity! The following skills/experience is essential: Strong React Native development background Demonstrable experience delivering applications in both iOS and Android GraphQL and Restful APIs Solid understanding of the full mobile development life … skills Salary: Up to £95,000 + bonus + package Location: London (good work from home options available) If you are interested in this React Native App Lead position and meet the above requirements please apply immediately. ...