1 to 25 of 934 Permanent 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 ...

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 ...

help build the next generation of Mowt. You'll work across the full stack—from crafting Laravel APIs and MySQL schemas to building React web apps and React Native mobile experiences that handle millions of Stripe transactions. You'll ship features customers love, wrangle AWS Lambda functions, optimize queries that … whether that's a successful deploy or Friday drinks. What You'll Do Build and ship features end-to-end: Laravel APIs, MySQL schemas, React web apps, React Native mobile Design scalable pipelines processing millions of Stripe webhooks through AWS Lambda Optimize MySQL queries and ClickHouse analytics for dashboards rendering ...

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 ...

REQUIREMENTS: Proven experience of presenting technical concepts to stakeholders Proven experience of developing complex user interfaces, backend APIs and software integrations using tools like React Proficiency with writing maintainable Python and Typescript, including experience of working with relevant libraries for data processing and backend API development (i.e., FastAPI, Pydantic, expressJS ...

strongly preferred Experience working collaboratively with technical and non-technical team members and stakeholders Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL) Experience with LLM frameworks, prompt ...

with other developers, as well as technical and non-technical people within software teams Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL) Experience with LLM frameworks, prompt ...

product to our clients? We work with a wide range of different technologies including .Net, C #, Java, Salesforce, Sharepoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, AzureDevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each project, giving you the opportunity to learn ...

strongly preferred Experience working collaboratively with technical and non-technical team members and stakeholders Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)Experience with LLM frameworks, prompt ...

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 ...

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 ...

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 ...

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 ...

critical role in developing new features and enhancing existing functionality. You’ll work with cutting-edge technologies such as Spring Boot, Java18, Angular 11+, ReactJS, TypeScript, Python, AWS services (S3, SNS), Redis, Docker, and more. We empower our engineers to contribute to design, implementation, and process improvements, as every team ...

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 ...

management and proactive problem-solving skills. Technologies we work withBack 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 ...

Strong understanding of OOP fundamentals, SOLID principles, and data structures and algorithms. Familiarity with testing frameworks across the stack, such as JUnit, Mockito, Jest, React Testing Library, or Cypress. Familiarity with Docker, Linux environments, and CI/CD pipelines. Exposure to microservices architecture. Awareness of secure coding practices including OWASP ...

critical role in developing new features and enhancing existing functionality. You'll work with cutting-edge technologies such as Spring Boot, Java18, Angular 11+, ReactJS, TypeScript, Python, AWS services (S3, SNS), Redis, Docker, and more. We empower our engineers to contribute to design, implementation, and process improvements, as every team ...

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 ...

experience as a Full Stack or Front/Backend Engineer in Typescript in a professional environment.Front-end skillsProficient in HTML5, CSS3, and TypescriptProficient in React, Redux, ReactQueryExperience with modern JavaScript frameworks - ReactKnowledge of version control systems (Git)Understanding of cross-browser compatibilityFamiliarity with RESTful APIs, GraphQL and WebsocketsExperience with ...

Full Stack or Front/Backend Engineer in Typescript in a professional environment. Front-end skillsProficient in HTML5, CSS3, and TypescriptProficient in React, Redux, ReactQueryExperience with modern JavaScript frameworks - ReactKnowledge of version control systems (Git)Understanding of cross-browser compatibilityFamiliarity with RESTful APIs, GraphQL and WebsocketsExperience with CSS pre-processors ...

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 ...

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 ...

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 ...