1 to 25 of 253 React Jobs in London

Senior Front End Developer Senior Front End Developer – Global Workforce Technology Innovator – London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over a decade ago with a bold vision: to transform organisational scheduling by replacing outdated … Developer who loves making an impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role in shaping the UI across both … web and mobile platforms, while influencing architectural decisions and raising the bar for engineering excellence. You’ll be working in a modern front-end environment that includes React , React Native , TypeScript, component-driven development, and a rapidly evolving design system. The team values engineers who are curious, collaborative, and eager to explore new ways of solving complex challenges, whether that More ❯

Senior Front End Developer Senior Front End Developer - Global Workforce Technology Innovator - London (Tech stack: React, React Native, TypeScript, JavaScript (ES6+), HTML, CSS, Component Libraries, Design Systems, State Management (Redux, Zustand, MobX, Apollo), Web & Mobile UI/UX, Accessibility, Front End Architecture) Our client began over a decade ago with a bold vision: to transform organisational scheduling by replacing outdated … Developer who loves making an impact, this is your chance to join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role in shaping the UI across both … web and mobile platforms, while influencing architectural decisions and raising the bar for engineering excellence. You'll be working in a modern front-end environment that includes React , React Native , TypeScript, component-driven development, and a rapidly evolving design system. The team values engineers who are curious, collaborative, and eager to explore new ways of solving complex challenges, whether that More ❯

to join a scaling startup in the AI and Healthcare technology sector Salary up to £90k + Equity Paddington-based (4-5 days per week in-office) Tech environment: React | React Native | Node.js | AWS | Firebase | Supabase | PostgreSQL If you wish to keep your CV/data private, feel free to WhatsApp your details/CV to me, Dan - WHO WE … a talented Software Engineer to help deliver the next generation of intelligent solutions. WHAT YOU WILL BE DOING: Develop and deliver new product features across the full stack using React/React Native and Node.js . Collaborate with the CTO and Engineering Director to design and implement new capabilities for the platform. Work on AI-powered integrations and innovative features … rollouts. SOFTWARE ENGINEER - ESSENTIAL SKILLS: Fluent Italian speaker (written and verbal). Proven experience building products, ideally from 0 1 (either professionally or through personal projects). Skilled in React or React Native and Node.js . Comfortable working across frontend, backend, or full-stack environments. Familiarity with AWS (Elastic Beanstalk, Lambda, etc.) and PostgreSQL . Experience with Firebase or Supabase More ❯

make delivering care far, far easier for hard-working carers. The role We’re looking for 3 pragmatic and user-focused Product Engineers. One with a front-end focus (React/React Native), one Fullstack (React/Node) and one to focus on AI products to help us design, build, and maintain systems that deliver meaningful impact for care teams … you if you want to: Have 3+ years of hands-on engineering experience, including end-to-end feature delivery in a production environment. Have strong front-end experience with React, React Native and TypeScript AND/OR back-end experience with Node express. Have experience working in a product-led squad, collaborating closely with PMs and designers to ship impactful More ❯

Mid Level Full-Stack Developer (Python/Django/React) Work Model: Office based ( 5 days a week) Job Type: Full-Time Salary: £60-65K Were looking for a Mid Level Full-Stack Developer (Python/Django/React) with 3+ years of experience to join a Fashion Retail business in London. You will be joining a recently built … What Were Looking For Comp Sci or STEM Degree 3-5 years of experience in full-stack development, with a focus on Python and Django . Strong experience with React or React Native for building dynamic, responsive front-end applications. Proficiency in AWS Experience with SQL Experience with Shopify is a bonus Key Responsibilities Design, develop, and maintain full-stack … applications using Python, Django, and modern front-end frameworks (React, React Native, or similar). Develop and maintain RESTful APIs and integrate third-party services. Build scalable, secure, and high-performance backend architectures. More ❯

impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector databases (e.g., ChromaDB, Pinecone, PGVector). Deploy solutions using AWS or Azure, Docker, Kubernetes, and More ❯

impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. Integrate LLMs (e.g., OpenAI, Anthropic, Mistral) and vector databases (e.g., ChromaDB, Pinecone, PGVector). Deploy solutions using AWS or Azure, Docker, Kubernetes, and More ❯

stakeholders. Provide technical support for production systems as needed. Skills Proficiency in C#, .NET 8, Python, RESTful APIs, and microservices architecture. Strong Front End development experience using Nextjs/React/Typescript, with familiarity in wireframing tools (eg, Figma). Hands-on experience in building distributed systems with messaging technologies such as RabbitMQ or Kafka. Proficient with caching techniques and More ❯

for high-volume, high-availability systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Frontend Angular experience (React may be considered) Cloud experience with microservices (AWS preferred) Docker and Kubernetes hands-on experience Fintech/regulated industry experience preferred Why Join? Java-focused role powering major banking platforms More ❯

stakeholders. Provide technical support for production systems as needed. Skills Proficiency in C#, .NET 8, Python, RESTful APIs, and microservices architecture. Strong Front End development experience using Nextjs/React/Typescript, with familiarity in wireframing tools (eg, Figma). Hands-on experience in building distributed systems with messaging technologies such as RabbitMQ or Kafka. Proficient with caching techniques and More ❯

with architects, designers, product teams and client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing Collaborate within agile teams More ❯

with architects, designers, product teams and client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing Collaborate within agile teams More ❯

Content Management System (CMS) such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a unique opportunity to join More ❯

technologies, including GenAI. Your skills and experience: 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 or JavaScript). LLM experience: Practical More ❯

technologies, including GenAI. Your skills and experience: 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 or JavaScript). LLM experience: Practical More ❯

happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript You're product focussed with good business acumen You have a good knowledge of APIs and an More ❯

custom automation frameworks using Python or similar languages Full-Stack Development Solid software engineering background with proficiency in Python, JavaScript/TypeScript, Java, or Go Experience with modern frameworks (React, Node.js, Django, FastAPI) Knowledge of microservices architecture, API design (REST, GraphQL) Experience with containerization (Docker, Kubernetes) and cloud-native development patterns DevOps & SRE Practices Experience implementing CI/CD pipelines More ❯

happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript You're product focussed with good business acumen You have a good knowledge of APIs and an More ❯

in software engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading software architecture design and strategic technology initiatives. More ❯

in software engineering, with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React andNext.jsto name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading software architecture design and strategic technology initiatives. Strong expertise More ❯

leadership , ideally within regulated, large-scale environments such as Investment, Asset, or Wealth Management. Proven track record of leading frontend and mobile engineering teams , delivering high-quality applications in React/React Native , Swift (iOS) , and/or Kotlin (Android) . Strong understanding of secure API integration , authentication flows , and modern UI/UX architecture . Comfortable guiding teams through … reviews , and fostering a culture of continuous learning and improvement . Thrives in fast-paced, regulated environments where speed, compliance, and innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions More ❯

production issues. Contribute to automation and CI/CD testing workflows. Skills & Experience Back End: Proficiency in Node.js (preferred), or .NET/Java. Front End: Solid experience with JavaScript , React , and TypeScript . Strong foundation in Agile/Lean methodologies and modern software delivery practices. Working knowledge of UI/UX principles and prototyping tools. Excellent communication and technical writing More ❯

production issues. Contribute to automation and CI/CD testing workflows. Skills & Experience Back End: Proficiency in Node.js (preferred), or .NET/Java. Front End: Solid experience with JavaScript , React , and TypeScript . Strong foundation in Agile/Lean methodologies and modern software delivery practices. Working knowledge of UI/UX principles and prototyping tools. Excellent communication and technical writing More ❯

features and build software that has a real impact. As a software engineer you will: Build and scale end-to-end features across the full stack using .NET and React Work with SQL and NoSQL databases to deliver robust, high-performance solutions Design, maintain and optimise cloud-based services on AWS, GCP or Azure Implement and improve CI/CD More ❯

high-performing software engineering teams. Strong hands-on expertise with the Microsoft .NET ecosystem: C#, ASP.NET MVC, Entity Framework, Visual Studio. Solid understanding of web technologies such as JavaScript, React, Angular, HTML. Strong grounding in software engineering principles, including SOLID, design patterns, and scalable architecture. Experience delivering enterprise-grade, cloud-hosted applications. Strong understanding of relational databases (SQL Server, PostgreSQL More ❯