1 to 25 of 948 React Jobs in London

Senior Frontend Developer (React & React Native) Senior Frontend Developer (React & React Native) Are you ready to take your React and React Native skills to the next level? All you need is: 7+ years of experience as a Front-End Engineer; Strong proficiency in React 18+, including hooks, context, and modern … Vite, Rollup) and CI/CD pipelines; Experience with automated testing frameworks (Jest, Cypress, etc.); At least 1-2 years of professional experience with React Native; Hands-on experience developing a React Native SDK for cross-platform projects; Strong ownership of code quality and hands-on experience with self-testing ...

Staff Engineer specialising in front-end and mobile, who's excited to forge a new way to save! You set the technical bar for React and React Native across a tribe of squads, drive cross-team initiatives, and act as a force multiplier - coaching engineers, shaping architecture, and representing Flagstone … horizontal engineering initiatives across the tribe; author and shepherd RFCs from proposal to adoption. Solution Delivery: Contribute directly to building and maintaining high-quality React and React Native systems while supporting and unblocking other engineers. Architecture & Design: Own cross‐platform architecture decisions for web and mobile (React, React Native, TypeScript ...

Gamingtec in London is seeking a Senior Frontend Developer (React & React Native) to lead frontend engineering across web and mobile platforms. You will own UI quality, collaborate with product and back-end teams, and ship robust SPA/PWA experiences with modern tooling. You should have 7+ years … Front-End Engineer, mastery of React 18+ with TS, Redux/MobX/Zustand, REST/GraphQL, and experience with RN and RN SDKs. Expect a fast-paced, international team with a flexible, autonomous culture. #J-18808-Ljbffr ...

Senior Frontend Engineer (React/React Native) Office: London About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product … plethora of new features and integrations, which you will be part of. Our tech stack: Languages: TypeScript, Javascript Libraries and frameworks: gRPC, Redux, React Native, React, Next.js Datastores: Vitess, MySQL, CockroachDB, BigQuery, Redis Infrastructure: Google Cloud Platform, Kubernetes, Docker, PubSub, Terraform Monitoring: Grafana, Prometheus, Sentry, Metabase About ...

Level Frontend Engineer (React/React Native) Office: London Apply for this role About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely … includes a plethora of new features and integrations, which you will be part of. Tech stack Languages: TypeScript, Javascript Libraries and frameworks: gRPC, Redux, React Native, React, Next.js Datastores: Vitess, MySQL, CockroachDB, BigQuery, Redis Infrastructure: Google Cloud Platform, Kubernetes, Docker, PubSub, Terraform Monitoring: Grafana, Prometheus, Sentry, Metabase About ...

inspect data, work with documents and direct AI agents. You'll join the UK core team of around thirty people, working in React, React Native and TypeScript on data-dense enterprise surfaces and AI-assisted workflows. The role sits within a nine-person engineering cohort being hired across front … surfaces, the AI experience, the shared platform and the quality bar. Build advanced forms, analytics dashboards, real-time updates and rich document views in React and React Native with TypeScript. Make dense data usable through grid components such as AG Grid or MUI DataGrid, virtualisation and CSS Grid/Flexbox ...

technologies. Strong programming skills in languages such as JavaScript/TypeScript, Java, C#, Python, or Node.js. Experience with front-end frameworks such as React, Angular, or Vue.js. Experience building and consuming RESTful APIs and microservices. Knowledge of software engineering best practices, including testing, CI/CD, and version control ...

Google Cloud. Knowledge of microservices architecture and related tools. Experience with testing frameworks like Mocha, Chai, or Jest. Familiarity with front‐end technologies like React, Vue, or Angular is a plus. Experience with back‐end technologies like Java or .Net is a plus Package and Benefits Competitive Salary Bonus Scheme ...

reliable solutions.**Key Responsibilities****Be Technical*** Design, build and maintain backend services and APIs using .NET Core/ASP.NET Core.* Develop modern web UIs (React/Angular/TypeScript or similar) and integrate them with backend services.* Develop and support AWS serverless solutions (e.g. Lambda, API Gateway, Step Functions, DynamoDB ...

software applications. Strong understanding of software architecture and software engineering principles. Experience with one or more modern technology stacks such as: JavaScript/TypeScript React/Next.js Node.js PHP/Laravel .NET Java Good understanding of APIs and system integrations. Experience working with relational databases such as PostgreSQL or MySQL. ...

organisation. Skills & Experience Strong software engineering skills across front-end, back-end and data-driven product development. Strong experience developing modern web interfaces using React, TypeScript, JavaScript, HTML and CSS. Experience using component libraries and design systems such as Material UI to build consistent and accessible user interfaces. Experience building ...

NoSQL databases.## **YOUR PROFILE*** Extensive experience of building microservices with Java (Spring Boot)* Experience using JavaScript/Typescript to build fronted web applications using React, HTML and CSS* Experience using version control software - Git* Experience using online version control tools - GitHub, GitLab etc* Experience using Docker, Docker Compose* Experience with ...

proactive problem-solving skills. Technologies we work with Back end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. Data & platform: SQL, plus experience designing batch and stream data ...

Technical Expertise*** **Backend Development**: Experience in building microservices using either Python with **FastAPI**, or TypeScript with **Express** or equivalent* **Frontend Development**: Experience in building React applications using TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python ...

e.g. AWS, Azure) and Infrastructure as Code (e.g. Terraform, Pulumi). You have worked across the technology stack with experience of established frameworks (e.g. React/Angular/Vue/Blazor frontends and/or FastAPI/SpringBoot/.NET backends). You have experience building and supporting different architectural ...

modern software solutions. Build cloud-first applications using C#/ASP.NET Core and modern web technologies . Develop front-end applications using TypeScript/React, ASP.NET MVC or Blazor . Build resilient microservices and REST APIs , using messaging and cloud-based integration. Design and develop applications across Azure ...

Software Engineer working on complex applications. Advanced Python and TypeScript skills, with experience using frameworks such as FastAPI, Pydantic, Node.js, Express or Next.js. Strong React experience and confidence building sophisticated, user‐friendly front‐end applications. Strong SQL and database experience, including performance optimisation and data integrity. Hands‐on knowledge ...

Computer Science, Data Science, or a related field (Ph.D. preferred) with Proven experience of 7+ years in developing IT solutions* Proficient in Python & ReactJS and related technologies is required.* Experience with GenAI application development including vector stores, RAG solutions, context engineering, prompt engineering, observability is essential* Experience with Agentic ...

supportability is absolutely key.The team needs a Junior Developer who can enhance and fix existing applications and write new ones with Angular front end (React is considered) and C# .Net backend.Main Responsibilities:Development• Use technology appropriately and flexibly, taking into consideration the company’s strategy and recommendations.• Adhere ...

Server, Azure SQL, Entity Framework, CosmosDB Design & Style: HTML5, Responsive/Adaptive Design, CSS3, Bootstrap Frameworks: (Worked with one or more of) Angular, React, NodeJS, Vue.js, or equivalent JavaScript DevOps: Git, Azure DevOps, GitHub Nice-to-Have Skills Azure AI Foundry, Semantic Kernel or Autogen #J-18808-Ljbffr ...

Application Development & Integration Full-stack software engineering expertise across Java, Python, .NET, JavaScript/TypeScript, Node.js, React, Angular, and modern web technologies. Deep experience in API development, Microservices, Event-Driven Architectures, Enterprise Integration, and Distributed Systems design. Cloud, Platform Engineering & Infrastructure Expertise in Azure, AWS, and GCP with strong knowledge ...

Software Engineer with strong capability in one or more of the following: Backend development (Java Spring Boot, Maven, Python) Frontend development (JavaScript/TypeScript, React, npm) Proven experience designing, developing, and deploying scalable backend systems. Familiarity with DevOps, CI/CD and containerisation technologies (Jenkins, Kubernetes, Docker, AWS). Strong ...

.Net Core, Python etc) with Cloud Native Platform Development (Azure/AWS)* Expert in one or more of the front-end development technologies (specifically React and Micro frontend)* Expert in one or more of Data Development (SQL Databases, No SQL, Cloud Datastores etc) technologies* Expert in JVS and OpenComponents* Exposure ...

knowledge of Rust , particularly in building concurrent, memory-safe, and high-performance applications. Frontend Knowledge: Experience working with modern JavaScript/TypeScript frameworks (e.g., React, Vue, or Next.js) and a solid understanding of web fundamentals (HTML/CSS). Database Expertise: Deep knowledge of relational databases (PostgreSQL) and NoSQL stores ...

/CD using GitHub, GitLab or Jenkins Agile engineering experience Experience with AI agents, tool calling, embeddings, prompt engineering or LLM observability is beneficial React/TypeScript and Terraform/IaC experience is beneficial Experience taking GenAI POCs into production is highly beneficial Why this role? You'll work ...