19 of 19 Permanent 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 ...

Description 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 ...

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 ...

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 ...

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 ...

Senior C# & React Full Stack Developer | ⚡ Front Office Trading House | 💷 £130,000 + Bonus | 🏙️ London | 🧑💻 3 Days in Office A London-based Hedge Fund is on the lookout for a Senior Full Stack Developer with strong React (Front End) and C# (Back … Direct exposure to trading strategies , real-time systems , and mission-critical apps. 🔧 Tech Stack & Requirements: ✅ 6+ years of hands-on coding in C# and React 🎯 Experience designing modern event-driven UIs 🧠 SQL Server/MongoDB/PostgreSQL (or similar) 🛠️ Strong grasp of CI/CD pipelines and Agile delivery ...

integrating crypto wallets and defi features. Responsibilities Development: Design and build advanced and secure cross platform applications for the [iOS/Android] platform using React Native. Collaborate with UI/UX designers to ensure applications are visually appealing and intuitive. Integration: Work closely with backend developers and integrate Javascript … backend services into mobile applications. Collaboration: Collaborate with product managers, designers, and other developers to deliver innovative solutions. Requirements 3+ years of experience with React , React-Native (mainly around Expo) , Redux and the core principles surrounding these. Highly proficient in JavaScript and ES6+ . Experience with CI/ ...

integrating crypto wallets and defi features. Responsibilities Development: Design and build advanced and secure cross platform applications for the [iOS/Android] platform using React Native. Collaborate with UI/UX designers to ensure applications are visually appealing and intuitive. Integration: Work closely with backend developers and integrate Javascript … backend services into mobile applications. Collaboration: Collaborate with product managers, designers, and other developers to deliver innovative solutions. Requirements 3+ years of experience with React , React-Native (mainly around Expo) , Redux and the core principles surrounding these. Highly proficient in JavaScript and ES6+ . Experience with CI/ ...

currently working with a Tier 1 Investment Bank who are actively seeking multiple Senior Software Developers who are proficient in both Python and React/Typescript/What you'll need to succeed: Extensive hands-on development with both Python and React/Typescript Strong financial services background ...

Full Stack Developer C#/React - Commodities Trading Permanent | Full‐Time | London We are working with a global energy and commodities trading organisation that plays a central role in the movement of energy and resources worldwide. Combining large‐scale trading operations with deep investment in infrastructure … deliver tools that have real commercial impact. Key Responsibilities Design, develop, and maintain full stack applications using C#/.NET on the backend and React on the frontend Build scalable, performant APIs and data‐driven services within a global enterprise environment Work directly with business and quantitative users ...

degree 3+ years of full stack Python development experience with in-depth knowledge of ORM and API frameworks 3+ years of full stack Typescript React development experience Experience using Python libraries such as Fast API, SQL Alchemy and Pydantic is mandatory Experience in building, maintaining and optimizing relational … databases (PostgresSQL/Oracle) Rapid dashboard development (Streamlit, Plotly Dash, React) and experience presenting complex data visually to varied audiences Passion for developing in Python and React and a driven desire to engage with both our development community and the business Drive to stay up to date with ...

Leading Investment Management firm is seeking a senior React Native iOS mobile developer to join the team building the mobile app for their flagship Front Office platform. This platform is used by portfolio managers and analysts cross-asset to both manage portfolios and place orders … with business partners in an asset management context. Can articulate business needs and translate them into technology solutions. Required Skills and Experience: Technical Skills React Native - Proven track record of shipping and maintaining high-scale, production-ready React Native applications. You should have experience managing the full life ...

Description Currently looking for a React Front End Developer for one of our clients in London. As a Custom Software Engineer, you will be responsible for developing custom software solutions to design, code, and enhance components across systems or applications. You will use modern frameworks … this role. Advanced proficiency in React.js is required. Intermediate proficiency in Software Design & Solutions and Software Engineering is suggested, along with advanced proficiency in React Native. Take ownership of specific software components and ensure their quality and performance meet project standards. Support and guide less experienced colleagues by sharing ...

known, well-trusted major Media company at the intersection of technology, storytelling, and global brand campaigns —and we’re hiring a Creative WebGL Developer to turn bold concepts into immersive, real-time work on the modern web. This isn’t product maintenance. It’s high-impact, visually … lighting, and real-time rendering to push the work further Tech you’ll use Next.js (preferred) or Astro for performance-first builds Three.js + React Three Fiber (+ @react-three/drei ) GSAP (ScrollTrigger is a strong plus) Blender pipelines (glTF/GLB workflows) What we’re looking ...

hiring for a Full Stack Developer, working closely with a wide range of business lines. You will be given the opportunity to work with technical and non-technical experts and develop innovative solutions, and full-stack applications used globally across a wide range of commercial and operational ...

Description We are hiring for a Full Stack Developer, working closely with a wide range of business lines. You will be given the opportunity to work with technical and non-technical experts and develop innovative solutions, and full-stack applications used globally across a wide range ...

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 ...

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. ...