101 to 125 of 235 React Jobs in the City of London

Take part in continuous improvement of the development process Essential Technical Skills Language - JavaScript, NodeJS, Typescript Framework - NestJS/Express/Microservices Testing - Jest/Mocha/Cypress/React testing Library API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS/Svelte/Webpack/HTML More ❯

Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs such as AWS, Stripe, Zendesk, Twilio, Google Analytics, Google Ads, HMRC, etc... Code Quality … in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL More ❯

Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external APIs such as AWS, Stripe, Zendesk, Twilio, Google Analytics, Google Ads, HMRC, etc... Code Quality … in Computer Science or related field from a Tier 1 university. Experience: Minimum of 4 years of full-time professional experience in software development, with strong expertise in TypeScript, ReactJS, and Next.JS. Solid experience in building RESTful APIs Leadership: Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL More ❯

These roles would be suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year in industry. All Graduate/Junior Developer More ❯

Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with React, TypeScript.//Excellent knowledge of Python, Django and FastAPI.//Knowledge of AWS in a commercial setting is required.//Experience working at a start-up company More ❯

Stack) for a super interesting start-up in London. Location: London (2-3 days a week onsite). Salary: £95,000 - 100,000. Ideal background://Expertise with React, TypeScript.//Excellent knowledge of Python, Django and FastAPI.//Knowledge of AWS in a commercial setting is required.//Experience working at a start-up company More ❯

patterns in how people interact with Nothing software Contribute to the architecture, tools, and frameworks that power our AI service layer Requirements Proven experience building production-grade web applications (React, Next.js, or similar) Backend skills in Node.js, Python, or similar; familiarity with microservices or cloud-native infrastructure Experience working with APIs & MCPs (especially LLMs, real-time services, or vector databases More ❯

that values continuous learning and global collaboration, where you can make a meaningful impact through innovative projects that shape the future of technology. About the Role The Front-End React Engineer will design, develop, and deliver responsive, accessible, and high-performing web applications using React.js and modern front-end technologies. This role is instrumental in ensuring outstanding user experience, maintainability … and security across digital platforms. Responsibilities Develop scalable and reusable React.js components using TypeScript. Translate UX/UI designs into responsive and accessible web interfaces. Integrate front-end applications with RESTful and GraphQL APIs. Implement secure authentication, session management, and data handling. Optimise applications for performance, accessibility, and cross-browser compatibility. Maintain consistent styling using frameworks such as Material UI … Stay current with emerging front-end technologies and best practices. Qualifications Bachelor’s degree in Computer Science, Software Engineering, or related discipline (or equivalent experience). Relevant certifications (e.g., React Developer, AWS/Azure Developer) are advantageous. Required Skills Strong knowledge of HTML5, CSS3, JavaScript (ES6+), and responsive design. Understanding of state management frameworks (Redux, Zustand, or similar). Familiarity More ❯

that values continuous learning and global collaboration, where you can make a meaningful impact through innovative projects that shape the future of technology. About the Role The Front-End React Engineer will design, develop, and deliver responsive, accessible, and high-performing web applications using React.js and modern front-end technologies. This role is instrumental in ensuring outstanding user experience, maintainability … and security across digital platforms. Responsibilities Develop scalable and reusable React.js components using TypeScript. Translate UX/UI designs into responsive and accessible web interfaces. Integrate front-end applications with RESTful and GraphQL APIs. Implement secure authentication, session management, and data handling. Optimise applications for performance, accessibility, and cross-browser compatibility. Maintain consistent styling using frameworks such as Material UI … Stay current with emerging front-end technologies and best practices. Qualifications Bachelor’s degree in Computer Science, Software Engineering, or related discipline (or equivalent experience). Relevant certifications (e.g., React Developer, AWS/Azure Developer) are advantageous. Required Skills Strong knowledge of HTML5, CSS3, JavaScript (ES6+), and responsive design. Understanding of state management frameworks (Redux, Zustand, or similar). Familiarity More ❯

Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role : Front End Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience: 5+ years Relevant Experience: React.Js, Typescript, Azure Job Description: Proven experience as a Front-End Developer with a focus on React.js, and Typescript. Familiarity with C# and .Net. Strong proficiency in … Strong problem-solving and debugging skills. Excellent teamwork and communication skills. Attention to detail and an eye for design and user experience. A portfolio of past projects showcasing your React.js expertise. More ❯

backlog, growing demand and to improve performance of the site. -They are now looking for a Product Developer who is able to work end to end. -Tech stack is React.js on Next.js and hosted on AWS. -ideally 4+ years’ worth of experience and able to work autonomously. Salary, Location and benefits -£85-100k plus Equity -Based in Bethnal Green More ❯

backlog, growing demand and to improve performance of the site. -They are now looking for a Product Developer who is able to work end to end. -Tech stack is React.js on Next.js and hosted on AWS. -ideally 4+ years’ worth of experience and able to work autonomously. Salary, Location and benefits -£85-100k plus Equity -Based in Bethnal Green More ❯

About the Company Backed by world-class investors and built by Oxford, Cambridge, and Imperial educated founders with several startup acquisitions under their belt ! 🛠️ Tech Stack Python, TypeScript, Next.js, React, and many more! Ideally looking for dynamic, backend leaning full-stack engineers 🎯 What do you need? 5+ years of experience in early stage or high growth companies 0-1 experience More ❯

About the Company Backed by world-class investors and built by Oxford, Cambridge, and Imperial educated founders with several startup acquisitions under their belt ! 🛠️ Tech Stack Python, TypeScript, Next.js, React, and many more! Ideally looking for dynamic, backend leaning full-stack engineers 🎯 What do you need? 5+ years of experience in early stage or high growth companies 0-1 experience More ❯

Startup – Up to 150k 🚀🧠 💰 Salary: £80,000 - £150,000 + meaningful equity 🏙️ Location : London, flexible working arrangements, ideally 1/2 days in office 💻 Tech Stack : Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning) 📈 Team size: 27 heads Our y-combinator backend client are building an elite engineering team within the AI space. The platform is being used across the More ❯

users Co-create the data systems and internal tools that power meaningful, personalized experiences What We’re Looking For 1-3+ years of experience in full stack development (React + Node or equivalent stack) Experience integrating and fine-tuning LLMs, embeddings, or vector search (e.g. OpenAI, LangChain, Pinecone, Lovable and Google’s Agent Development Kit or equivalent vide coding More ❯

users Co-create the data systems and internal tools that power meaningful, personalized experiences What We’re Looking For 1-3+ years of experience in full stack development (React + Node or equivalent stack) Experience integrating and fine-tuning LLMs, embeddings, or vector search (e.g. OpenAI, LangChain, Pinecone, Lovable and Google’s Agent Development Kit or equivalent vide coding More ❯

.NET Developer, .NET 9, C#, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce the arrival in the UK of one of Silicon Valley's most successful and exciting brands. They're at the … solutions. .NET Developer applicants should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. If you are dedicated to the youthful optimism of More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) We have several fantastic new roles for .NET Developer to join an ambitious Fintech start-up. This is your chance to work with the sharpest minds in private wealth … client is looking for passionate .NET Developer with experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is your opportunity to be part of a More ❯

.NET Developer, .NET 9, C# - Consultancy - London Or Surrey (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative .NET technology based business solutions to investment banks, financial services … .NET Core/ASP.NET MVC, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly exciting project, one which More ❯

.NET Developer, .NET 9, C#, SQL Server - Investment Bank - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, operations in over 20 countries our client has fast becomeWeb API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's most respected banking institution. Their story dates … applications. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client offers training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly amazing opportunity to work More ❯

.NET Developer, C# - Financial Consultancy - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Azure, WPF, MVVM, Prism, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in the early 1970s, our client delivers cutting edge I.T solutions to banks. With over 70,000 employees in over 50 countries and strong partnerships with some … with experience in either web application development (.NET Core/ASP.NET MVC, C#) or windows/desktop development (C#.NET). My client can provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, WPF, MVVM, Prism, continuous integration, dependency injection, RESTful, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. More ❯

3x Days per week on-site 3-6 Month Contract One of our major banking clients is looking for a Front end Developer. Must-Have Skills: Strong proficiency in React and JavaScript . Deep understanding of web accessibility standards and testing methodologies. Experience designing and implementing component libraries . Familiarity with enterprise CMS platforms . Demonstrated success in a Banking More ❯

3x Days per week on-site 3-6 Month Contract One of our major banking clients is looking for a Front end Developer. Must-Have Skills: Strong proficiency in React and JavaScript . Deep understanding of web accessibility standards and testing methodologies. Experience designing and implementing component libraries . Familiarity with enterprise CMS platforms . Demonstrated success in a Banking More ❯

go from sketch to live in hours, not months 🤝 Impactful work – collaborate with hardware teams solving world-changing problems What we’re looking for Strong skills across Figma, CSS, React, TypeScript, GraphQL Experience in startups – comfortable with fast-paced, high-ownership environments 2+ years as a Software Engineer The package £100k – £150k salary + meaningful equity Hybrid setup: 3 days More ❯