76 to 100 of 221 React Jobs in the City of London

leveraging efficient data manipulation and visualisation techniques. Qualifications: 1–7 years of professional software engineering experience. Strong academic background from a leading university. Deep experience with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data workflows and backend frameworks (FastAPI/Flask). No sponsorship available – candidates must have the right to More ❯

leveraging efficient data manipulation and visualisation techniques. Qualifications: 1–7 years of professional software engineering experience. Strong academic background from a leading university. Deep experience with modern JavaScript frameworks (React preferred), TypeScript, and data visualisation tools. Proficiency in Python and familiarity with data workflows and backend frameworks (FastAPI/Flask). No sponsorship available – candidates must have the right to More ❯

Contribute to frontend architecture decisions and help define technical best practices for the team. Optimise performance and ensure applications are reliable, maintainable, and efficient. Skills & Experience Strong experience with React and TypeScript Experience working with component libraries (e.g. Storybook, Material UI, Chakra UI, or similar). Familiarity with frontend state management tools and data-fetching frameworks. Exposure to backend or More ❯

Contribute to frontend architecture decisions and help define technical best practices for the team. Optimise performance and ensure applications are reliable, maintainable, and efficient. Skills & Experience Strong experience with React and TypeScript Experience working with component libraries (e.g. Storybook, Material UI, Chakra UI, or similar). Familiarity with frontend state management tools and data-fetching frameworks. Exposure to backend or More ❯

products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. Additional Perks: Private healthcare insurance. More ❯

products or features from ideation to production and you've measured their impact. You have experience with the following technologies (or similar): Python, FastAPI, Postgres, ElasticSearch, RabbitMQ, LLMs, Typescript, React You enjoy diving deep into the domain, understanding the problem, and focusing on delivering value to the customer. You thrive in a fast paced environment. Additional Perks: Private healthcare insurance. More ❯

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 ❯

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 ❯

or Java * Work across enterprise and digital applications such as Web, Mobile and Desktop! * Implement leading and Open-Source tooling and best processes (GIT, Jenkins, JIRA, Cucumber) * Work on React and Node JS stack * Collaborate with developers and business/product owner to clarify requirements, especially in terms of testability and completeness What you'll bring: * A deep level understanding More ❯

or Java * Work across enterprise and digital applications such as Web, Mobile and Desktop! * Implement leading and Open-Source tooling and best processes (GIT, Jenkins, JIRA, Cucumber) * Work on React and Node JS stack * Collaborate with developers and business/product owner to clarify requirements, especially in terms of testability and completeness What you'll bring: * A deep level understanding More ❯

build out the department - respect and trust from day one. 🛠️ Core Stack: Django + Python (this is a Django shop through and through) HTMX for reactive UI without the React overhead Bootstrap → TypeScript migration happening now Vanilla JS where needed AWS for infrastructure Server-side rendering philosophy 🏗️ What You'll Actually Build The Internal Production Platform: Custom-built management system More ❯

build out the department - respect and trust from day one. 🛠️ Core Stack: Django + Python (this is a Django shop through and through) HTMX for reactive UI without the React overhead Bootstrap → TypeScript migration happening now Vanilla JS where needed AWS for infrastructure Server-side rendering philosophy 🏗️ What You'll Actually Build The Internal Production Platform: Custom-built management system More ❯

wallets Strong problem-solving and communication skills, with the ability to translate business objectives into robust technical solutions Experience with REST APIs, SQL, and modern web technologies (JavaScript/React/Python/Postman API preferred) Familiarity with payment gateways, transaction routing and compliance frameworks (e.g. PCI DSS, PSD2, or Open Banking) is a strong plus If you’re passionate More ❯

wallets Strong problem-solving and communication skills, with the ability to translate business objectives into robust technical solutions Experience with REST APIs, SQL, and modern web technologies (JavaScript/React/Python/Postman API preferred) Familiarity with payment gateways, transaction routing and compliance frameworks (e.g. PCI DSS, PSD2, or Open Banking) is a strong plus If you’re passionate More ❯

or Azure. A desire to work collaboratively in a team and an ability to communicate effectively with both technical and business stakeholders. Nice to Have: Experience with Vue, Nuxt, React, or Next. Experience or a strong interest in Fintech. Why You'll Love Working Here Exceptional Impact: Be the biggest single influence on the system and technology direction. Unrivaled Learning More ❯

or Azure. A desire to work collaboratively in a team and an ability to communicate effectively with both technical and business stakeholders. Nice to Have: Experience with Vue, Nuxt, React, or Next. Experience or a strong interest in Fintech. Why You'll Love Working Here Exceptional Impact: Be the biggest single influence on the system and technology direction. Unrivaled Learning More ❯

re building cutting-edge technology that leverages the latest advances in AI to solve high-impact problems. 🛠️ Tech Stack: Python - core backend and ML integration TypeScript/Node.js/React - full-stack development AWS - scalable, production-grade infrastructure This is a hands-on role where you’ll work across the stack and have real influence over the architecture, tooling, and More ❯

re building cutting-edge technology that leverages the latest advances in AI to solve high-impact problems. 🛠️ Tech Stack: Python - core backend and ML integration TypeScript/Node.js/React - full-stack development AWS - scalable, production-grade infrastructure This is a hands-on role where you’ll work across the stack and have real influence over the architecture, tooling, and More ❯

deployed to users Strong understanding of product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave More ❯

deployed to users Strong understanding of product development and navigating large codebases Located in London/Paris and open to working in office Tech Stack: Python FastAPI Typescript + React Open source LLMs On premise deployments Benefits Currently Offered (likely to improve as company grows): 100% coverage for travel expenses Childcare support Min. 3 months fully paid parental leave More ❯

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 ❯

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 ❯