226 to 250 of 493 React Jobs in London

annum Location: Fully Remote (UK-based) What you'll be doing: Design, build, and optimise scalable software using Node.js, TypeScript, React, AWS Lambda, Step Functions, DynamoDB Contribute to architecture discussions and ensure solutions are secure, cloud-native, and maintainable Use AI-assisted tooling to speed up development, testing, and debugging … ensure technical alignment across the platform What you'll need: Strong full stack experience with a backend-first mindset Expertise in Node.js, TypeScript, React, and modern cloud engineering Hands-on experience with AWS serverless, particularly Lambda, Step Functions, DynamoDB Solid understanding of scalable architecture and performance optimisation Experience in scale ...

.NET Developer, .NET 10.0, C# 14, Azure, JavaScript, Agile - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer)Be the first of your friends to declare, "I love where … with: .NET, .NET Core, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus ...

Senior Front End Developer/Engineer (React Redux TypeScript Node.js) Remote UK to £90k Are you a Senior Front End Developer with strong React and Redux skills? You could be progressing your career in a senior, hands-on Front End Developer role at a scaling Fintech who have built … digital experience that makes complex energy systems simple, powerful and intuitive, creating user interfaces that bring trading and billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript ...

join our team and help build innovative, cross-platform applications using a unified architecture. You'll work across the stack - developing responsive frontends in React, building robust RESTful/GraphQL APIs with Node.js and Fastify, and creating desktop/mobile apps using Electron and React Native. Our unified approach ensures … content publishing process and the S1000D document specification. Key Responsibilities Job Overview Design and develop scalable applications using our unified TypeScript architecture across React, Node.js (Fastify), Electron, and React Native. Build and maintain RESTful and GraphQL APIs and integrate them across web, desktop, and mobile platforms. Apply vibe coding techniques ...

join our team and help build innovative, cross-platform applications using a unified architecture. You'll work across the stack - developing responsive frontends in React, building robust RESTful/GraphQL APIs with Node.js and Fastify, and creating desktop/mobile apps using Electron and React Native. Our unified approach ensures … content publishing process and the S1000D document specification. Key Responsibilities Job Overview Design and develop scalable applications using our unified TypeScript architecture across React, Node.js (Fastify), Electron, and React Native. Build and maintain RESTful and GraphQL APIs and integrate them across web, desktop, and mobile platforms. Apply vibe coding techniques ...

Front End Developer - ReactJS, Redux, Typescript London/Remote (Must be UK based) Up to £545 per day (Inside IR35) 3 months My client is an instantly recognisable consultancy who require a Front-End Developer for a high-profile end client within the Insurance space. Key Requirements: Proven commercial experience … working as a Front-End Developer for large, complex organisations. Strong understanding of ReactJS, Redux, Typescript, HTML, CSS tech stack. Previous experience implementing analytics in a web front end using tools such as Adobe Analytics. Strong understanding of state management principles and routing strategies. Proficient in unit testing and Test ...

Senior Software Engineer, Python, TypeScript, React - Elite engineering team **this role will come with a competitive salary , benefits and equity** A Series C funded fintech scale-up who has just raised over £350million and now valued at over £700million is hiring a number of Senior/Lead Software Engineer … mentoring. Maintain a user-centred mindset , constantly measuring and iterating on how engineering decisions translate into product value. Technical Environment: Languages & Frameworks : Python, TypeScript, React, Svelte Infrastructure & Tools : AWS, PostgreSQL, Snowflake, CI/CD pipelines Ways of Working : Agile squads, continuous delivery, outcome-oriented culture You’ll work ...

Senior Software Engineer, Python, TypeScript, React - Elite engineering team **this role will come with a competitive salary , benefits and equity** A Series C funded fintech scale-up who has just raised over £350million and now valued at over £700million is hiring a number of Senior/Lead Software Engineer … mentoring. Maintain a user-centred mindset , constantly measuring and iterating on how engineering decisions translate into product value. Technical Environment: Languages & Frameworks : Python, TypeScript, React, Svelte Infrastructure & Tools : AWS, PostgreSQL, Snowflake, CI/CD pipelines Ways of Working : Agile squads, continuous delivery, outcome-oriented culture You’ll work ...

translating business goals (eg US expansion) into a clear technical roadmap and high-quality, high-velocity execution. Requirements: Strong experience across the stack: TypeScript, React Native, React, Node, Postgres, GCP/Firebase A genuine full-stack mindset: happy working in the mobile app, web apps, backend, and writing SQL when … Deep practitioner of AI powered SWE tools (Cursor, Windsurf, v0, etc.) and excited to push productivity to the limit Tech Stack: Mobile Apps: (TypeScript, React Native, Expo) Backend: (TypeScript, GCP/Firebase Cloud Functions, GCP Pub/Sub, Postgres, Prisma) Web Apps: (TypeScript, React, Vercel) Internal ERP: (TypeScript, Next.js, Vercel ...

Full Stack Developer, Tech Lead - TypeScript, React, AI tools - start-up c£85-100k + discretionary Bonus Hybrid - Greater London preferred Very high growth (>200% CAGR) online retailer, a start-up in its infancy, is seeking an experienced Full Stack Tech Lead, crucially a technically hands-on individual contributor … translating business goals (eg US expansion) into a clear technical roadmap and high-quality, high-velocity execution. Requirements: Strong experience across the stack: TypeScript, React Native, React, Node, Postgres, GCP/Firebase A genuine full-stack mindset: happy working in the mobile app, web apps, backend, and writing SQL when ...

across backend and frontend systems Building secure, scalable, and high-performing APIs and services (NestJS, GraphQL, REST) Creating data-driven dashboards and UIs with React, Next.js, and Chakra UI Translating product and design requirements into elegant, maintainable solutions Troubleshooting and optimising performance across the full stack Collaborating with product managers … enterprise SaaS products (ideally in cybersecurity or data-heavy environments) Strong backend development with TypeScript, NestJS, Sequelize ORM, GraphQL, REST APIs Frontend expertise with ReactJS, NextJS, Typescript, Chakra UI Experience with MySQL and NoSQL databases Familiarity with messaging/event-driven systems (Kafka) Ability to work closely with designers (Figma ...

.NET Developer - Fastest Growing Social Media Firm - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is on a quest to transform how people discover, view and share … object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Bootstrap and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere ...

.NET Developer, .NET 10.0 - Social Networking Site - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have … dedicated technical training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: London, UK/Remote ...

Developer, .NET 10.0, C# 14 - Digital Download Site - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become a major … Core, C# and Azure SQL. You will be trained in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months. ...

.NET Developer - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) After 15 years' experience in the fashion industry, our client has a mission to change the way people … experience of: .NET, .NET Core, C# and Azure SQL. There are opportunities for training into technologies such as: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Solid, DRY, LINQ and MongoDB. Their benefits include the following: Bonus (10-15%). Share options. ...

.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage … Core, C# and Azure SQL. You will receive training in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people ...

Principal (Director) Software Engineer - Python, Typescript, React, AWS| High-growth, Purpose-Led and A* funded Fintech | Hybrid – London **this role will come with a competitive salary, benefits and equity** A leading fintech scale-up is hiring a Principal (Director) Software Engineerto join its high-performing engineering organisation in London. This … mentoring. Maintain a user-centred mindset, constantly measuring and iterating on how engineering decisions translate into product value. Technical Environment: Languages & Frameworks: Python, TypeScript, React, Svelte Infrastructure & Tools: AWS, PostgreSQL, Snowflake, CI/CD pipelines Ways of Working: Agile squads, continuous delivery, outcome-oriented culture You'll work ...

combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title And Summary Lead React Developer Overview Mastercard Developers ( is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team … Platform and services to support customer integrations on occasion All About You 8+ years professional, hands-on, frontend application development experience. Expert React ES6 Javascript and Typescript skills including areas of functional and asynchronous programming. Expert CSS development knowledge and experience with both native and using frameworks e.g. bootstrap, tailwind ...

combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title And Summary Lead React Developer Overview Mastercard Developers (https://developer.mastercard.com) is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty … Platform and services to support customer integrations on occasion All About You 8+ years professional, hands-on, frontend application development experience. Expert React ES6 Javascript and Typescript skills including areas of functional and asynchronous programming. Expert CSS development knowledge and experience with both native and using frameworks e.g. bootstrap, tailwind ...

Tech Lead - TypeScript/React Native - Fully Remote Our client, a growing company based in London is seeking an experienced Tech Lead to take ownership of the technology stack and guide the engineering team through this next phase of growth. This is a hands-on leadership role, combining technical delivery … business goals into a clear technical roadmap and high-quality execution. What Youll Be Working On Mobile Apps: Core customer apps built with TypeScript, React Native, Expo. Backend: TypeScript, GCP/Firebase Cloud Functions, GCP Pub/Sub, Postgres, Prisma. Web Apps: Customer-facing portals for sign-up and account ...

Tech Lead - TypeScript/React Native - Fully Remote Our client, a growing company based in London is seeking an experienced Tech Lead to take ownership of the technology stack and guide the engineering team through this next phase of growth. This is a hands-on leadership role, combining technical delivery … goals into a clear technical roadmap and high-quality execution. What You’ll Be Working On Mobile Apps: Core customer apps built with TypeScript, React Native, Expo. Backend: TypeScript, GCP/Firebase Cloud Functions, GCP Pub/Sub, Postgres, Prisma. Web Apps: Customer-facing portals for sign-up and account ...

Senior React Developer Contract Length: 3 months Rate: 500-550 p/d Inside IR35 Overview We are seeking a highly skilled engineer with deep expertise in React and Single Sign-On (SSO) implementations , particularly Okta . The successful candidate will combine strong front-end development skills with proven experience … authentication and identity management. Key Responsibilities Modernize and refactor an existing Fix UI application: Update outdated codebase to current React standards. Improve maintainability and performance. Implement multi-tenant architecture within the UI. Integrate the application with SSO solutions , ensuring flexibility to connect with: OAuth/OpenID Connect SAML Okta (primary ...

Senior React Developer Contract Length: 3 months Rate: (Apply online only) p/d Inside IR35 Overview We are seeking a highly skilled engineer with deep expertise in React and Single Sign-On (SSO) implementations , particularly Okta . The successful candidate will combine strong front-end development skills with proven … experience in authentication and identity management. Key Responsibilities Modernize and refactor an existing Fix UI application: Update outdated codebase to current React standards. Improve maintainability and performance. Implement multi-tenant architecture within the UI. Integrate the application with SSO solutions , ensuring flexibility to connect with: OAuth/OpenID Connect SAML ...

detail. What you'll do Design and develop innovative, high-quality front-end web applications for news consumers, using modern JavaScript frameworks (React.js, Redux, D3). Build engaging visual storytelling experiences and editorial tools for use across Sky News platforms. Prototype rapidly using lean methodology and test-driven development … each project, working across the full software development lifecycle, from idea, design to deployment. What you'll bring Strong experience with JavaScript, especially React/Redux , D3 , and the modern JS ecosystem (ES6/ES7). Experience with Node.js and the back-end ecosystem, including npm and webpack . Experience ...

detail. What you'll do Design and develop innovative, high-quality front-end web applications for news consumers, using modern JavaScript frameworks (React.js, Redux, D3). Build engaging visual storytelling experiences and editorial tools for use across Sky News platforms. Prototype rapidly using lean methodology and test-driven development … each project, working across the full software development lifecycle, from idea, design to deployment. What you'll bring Strong experience with JavaScript, especially React/Redux , D3 , and the modern JS ecosystem (ES6/ES7). Experience with Node.js and the back-end ecosystem, including npm and webpack . Experience ...