551 to 575 of 758 React Jobs in London

Improve performance, reliability, and scalability of the platform Embrace AI tools to boost productivity and automate wherever possible Tech Stack Languages : TypeScript (core), Python/Ruby (data flow) Frontend : React preferred; Angular, Vue, or Node.js welcome Infrastructure : AWS Databases : Neo4j (nice to have) Integrations : Shopify About You Strong experience with TypeScript on the backend Confident managing complex API integrations (Shopify … a big plus) Comfortable with React , Python , or similar technologies Experienced in cloud-first environments (AWS) Background in startups or scale-ups Passionate about automation and leveraging AI in development Bonus Points For: Graph databases like Neo4j Experience with payment gateways or fraud detection systems Knowledge of MongoDB/Mongoose Familiarity with CATIA or other CAD system integrations Experience with More ❯

responsible for building and maintaining the web applications and APIs that power our ecosystem — everything from client dashboards and integration tooling to our own internal products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and … is a hybrid role — 4 days in the office (Mayfair, London) and 1 day working from home. What You’ll Do Build and maintain performant, reliable web applications using React, TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean … Help shape new product features from concept to production Who We’re Looking For 2–4 years’ experience as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and More ❯

responsible for building and maintaining the web applications and APIs that power our ecosystem — everything from client dashboards and integration tooling to our own internal products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and … is a hybrid role — 4 days in the office (Mayfair, London) and 1 day working from home. What You’ll Do Build and maintain performant, reliable web applications using React, TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean … Help shape new product features from concept to production Who We’re Looking For 2–4 years’ experience as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and More ❯

responsible for building and maintaining the web applications and APIs that power our ecosystem — everything from client dashboards and integration tooling to our own internal products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and … is a hybrid role — 4 days in the office (Mayfair, London) and 1 day working from home. What You’ll Do Build and maintain performant, reliable web applications using React, TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean … Help shape new product features from concept to production Who We’re Looking For 2–4 years’ experience as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and More ❯

responsible for building and maintaining the web applications and APIs that power our ecosystem — everything from client dashboards and integration tooling to our own internal products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and … is a hybrid role — 4 days in the office (Mayfair, London) and 1 day working from home. What You’ll Do Build and maintain performant, reliable web applications using React, TypeScript, and Next.js Contribute to our serverless GCP architecture — including Cloud Functions, Firestore, and Cloud Run Collaborate with designers and product managers to deliver beautiful, intuitive user interfaces Write clean … Help shape new product features from concept to production Who We’re Looking For 2–4 years’ experience as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and More ❯

across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills … Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience with React , Express , and REST API development Strong understanding of SQL and Git Excellent analytical and problem-solving skills A genuine enthusiasm for learning and tackling complex technical challenges Bonus Experience (Nice to Have): AWS (hosting, deployment, configuration) Agile development practices Experience in technical customer support Knowledge More ❯

across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills … Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience with React , Express , and REST API development Strong understanding of SQL and Git Excellent analytical and problem-solving skills A genuine enthusiasm for learning and tackling complex technical challenges Bonus Experience (Nice to Have): AWS (hosting, deployment, configuration) Agile development practices Experience in technical customer support Knowledge More ❯

across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills … Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience with React , Express , and REST API development Strong understanding of SQL and Git Excellent analytical and problem-solving skills A genuine enthusiasm for learning and tackling complex technical challenges Bonus Experience (Nice to Have): AWS (hosting, deployment, configuration) Agile development practices Experience in technical customer support Knowledge More ❯

across front-end, back-end, and infrastructure layers Collaborate with clients, customer success, and engineering teams to identify root causes and deploy effective solutions Work hands-on with Node.js, React, SQL, and AWS to maintain and enhance platform functionality Contribute to improving support processes, documentation, and system reliability Continuously develop your technical knowledge across a range of technologies Required Skills … Experience: 3+ years’ experience in Node.js development Proficiency in TypeScript and JavaScript Experience with React , Express , and REST API development Strong understanding of SQL and Git Excellent analytical and problem-solving skills A genuine enthusiasm for learning and tackling complex technical challenges Bonus Experience (Nice to Have): AWS (hosting, deployment, configuration) Agile development practices Experience in technical customer support Knowledge More ❯

ll be at the heart of a high-performing engineering team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role … ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles More ❯

ll be at the heart of a high-performing engineering team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role … ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles More ❯

ll be at the heart of a high-performing engineering team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role … ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles More ❯

ll be at the heart of a high-performing engineering team, building intuitive, high-impact web applications that bring complex data to life. Working with cutting-edge technologies like React and TypeScript , you’ll collaborate closely with product, design, and data science teams to shape interfaces that define the future of shipping intelligence. This is a hands-on technical role … ideal for someone who thrives in fast-paced, high-growth environments. What You’ll Bring 5+ years of front-end development experience building large-scale web applications. Expertise in React, TypeScript/JavaScript, HTML, and CSS . A strong appreciation for UI/UX design and a passion for delivering exceptional user experiences. Understanding of Design Patterns and SOLID principles More ❯

years of experience building full-stack applications. You have experience designing and maintaining APIs and distributed systems. You have experience building intuitive user interfaces using modern frontend frameworks like React or Svelte. You have strong proficiency in JavaScript/TypeScript and experience with modern frontend development tools. You have excellent communication skills and the ability to work effectively in a … collaborative team environment, and are eager to learn. You have opinions about how to architect scalable codebases. Bonus If You: Are a React or Next.js expert. Have worked to develop a CI/CD platform for other developers to use. Have experience contributing to, or participating in open source projects. Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn More ❯

join SpectrAxe — the first true all-to-all, anonymous FX options trading platform. If you have very strong middle-tier development skills (and/or full-stack experience with React) and are ready to take the next step in your career — where your work has real impact in a fast-moving, startup environment — I'd love to hear from you. … with Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact - Collaborative More ❯

join SpectrAxe — the first true all-to-all, anonymous FX options trading platform. If you have very strong middle-tier development skills (and/or full-stack experience with React) and are ready to take the next step in your career — where your work has real impact in a fast-moving, startup environment — I'd love to hear from you. … with Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact - Collaborative More ❯

join SpectrAxe — the first true all-to-all, anonymous FX options trading platform. If you have very strong middle-tier development skills (and/or full-stack experience with React) and are ready to take the next step in your career — where your work has real impact in a fast-moving, startup environment — I'd love to hear from you. … with Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact - Collaborative More ❯

join SpectrAxe — the first true all-to-all, anonymous FX options trading platform. If you have very strong middle-tier development skills (and/or full-stack experience with React) and are ready to take the next step in your career — where your work has real impact in a fast-moving, startup environment — I'd love to hear from you. … with Docker & CI/CD (Jenkins, GitHub Actions, etc.) Bonus Points For: Financial services , trading systems background Messaging systems (RabbitMQ, Kafka) AWS or other cloud platforms TypeScript, RxJS, GWT, React Low-latency system design experience What we offer - Competitive salary & bonus - Hybrid working (2–3 days in London office) - Work on a cutting-edge fintech platform with global impact - Collaborative More ❯

web based systems, working within a modern cloud (AWS) microservices based environment; you'll be primarily using Typescript and Node for backend development, but will also have exposure to React on the frontend. You'll work across multiple teams and product streams in a collaborative environment that values code quality. The company are passionate about providing excellent education to hundreds … Data Streaming (Kafka), DevOps environments, CI/CD pipelines and how to deploy to the cloud, they use CloudFlare You're happy to do some front end work with React You have experience of working on large scale systems with millions of users You're comfortable with AI You're collaborative with Agile team experience Apply now to find out More ❯

accountability, continuous development, and teamwork. We are committed to creating a supportive environment that fosters your career growth from day one. Key Responsibilities: Implement front-end features for a React application that visualises and interacts with scientific data and workflow progression. Integrate AI/ML components with the frontend, backend, data, and compute infrastructure. Ensure high-quality software implementations according … with other technical staff and data engineers to build an end-to-end pipeline that leverages various data products. Basic Qualifications: 5+ years of experience in frontend software development (React). Proven experience in Python development (FastAPI preferred). Bachelor's degree in a relevant field (computational, numerate, or life sciences) or equivalent experience. Essential cloud experience (Google Cloud and More ❯

i platform , primarily developed in RPG and some Java Applications developed manually and via the CA:2E (Synon) rapid application development tool A new system revamp project , featuring a ReactJS front-end and NodeJS API layer on top of our existing platform Key Responsibilities As part of a small and supportive team, you'll be involved in a wide range … recent graduate in Computer Science, Software Engineering, or a related discipline A keen interest in software development and problem-solving Willingness to learn legacy and modern technologies (RPG, Java, ReactJS, NodeJS) Strong communication and teamwork skills Proactive and willing to take ownership of tasks in a small team setting Why Join Us? Join a stable, permanent position with strong growth More ❯

Full Stack Software Engineer (Python, React, AI, 3D) Hybrid London (1-2 days per week) Up to £120,000 + Equity + Benefits Are you excited by the idea of building the future of 3D and spatial intelligence? We're working with an innovative AI company developing a frontier 3D foundation model that's redefining how industries - from robotics and … Implementing best practices for performance, scalability, and security. What we're looking for: 2+ years' experience in full-stack application development and deployment. Strong skills in both frontend frameworks (React, Next.js, or Vue) and backend technologies (Node.js, Python, Django, or FastAPI). Experience deploying applications in cloud environments using containers and orchestration tools. Proficiency in the Python ecosystem for backend More ❯

Role:- Senior Frontend Engineer – 3D Visualization (React, WebGL, Python) Duration: 3 Months – Possible extension Location : UK- Remote Key Responsibilities: Develop a high-performance 3D brain visualization tool in the browser using WebGL and ThreeJS . Build and maintain React components to enable user interaction with different types of media (images, video, text). Integrate backend Python APIs and model outputs … teams to iterate based on feedback. Ensure smooth, low-latency performance across browsers and platforms. Essential Skills: Strong experience with WebGL , ThreeJS , or similar 3D graphics frameworks. Proficiency in ReactJS and modern frontend development (HTML/CSS/JavaScript or TypeScript). Solid understanding of Python , particularly in the context of APIs and backend integration. Ability to work independently and More ❯

# Mid-Level Full-Stack Engineer (React + Go)Remote - EMEA/EngineeringThe Tyk API Management platform is helping to drive the connected world and power new products and services. We're changing the way that organisations connect any number of their systems and services.Whether internal, external, public or highly encrypted systems, Tyk helps businesses drive value across the retail … If this sounds like an environment that you believe could work for you then read on to find out more. The role: As a Mid-Level Full-Stack Engineer (React + Go) at Tyk, you'll be responsible for designing and building compelling solutions for our Dashboard and API Gateway products. You'll implement performant, accessible React frontends and reliable … principles, ensuring no security test defects or production leakage Contribute to the direction of dashboard UI development and API functionality Build and extend product capabilities across the stack, including React frontends and Go-based APIs (traffic routing, security, authentication, and authorization where relevant) Engineering Excellence Write high-quality code that satisfies user stories across React and Go services Implement best More ❯

platform that powers thousands of online stores. This is a hands-on role with a strong focus on backend development in .NET 8 , alongside supporting UI development built in React . The Role Deliver new backend functionality in modern .NET (C#/.NET 8) Help integrate and validate React UIs Contribute to ongoing rebuild and refactor of legacy systems Work … integrations Collaborate closely with a small, experienced team in a flat structure Remote-first – work from anywhere in the UK Tech Stack Backend: .NET 8, C#, Azure, PostgreSQL Frontend: React, Vue (legacy), Loveable (low-code React generator) Tools: GitHub Actions, Azure Service Fabric, Supabase Integrations: Shopify, other e-commerce APIs You’ll Need Strong experience with modern .NET … or 8) Solid understanding of APIs and backend systems Comfortable reviewing and working with React (even if not the main focus) Excellent communication and collaboration skills Self-starter mentality – able to deliver independently Nice to Have: Azure experience (Service Fabric is a bonus) CI/CD with GitHub Actions Shopify or e-commerce background What’s on Offer More ❯