1,401 to 1,425 of 2,197 Permanent React Jobs

Investment Tech Engineer — AI & Data Pipelines (Hybrid)

Location
United Kingdom
seeking an Advanced Engineer to design, develop, and support solutions across the Investment Technology platform. You will work on cloud-based tools (Streamlit/ReactJS), apply AI-assisted tooling, and help drive CI/CD, data quality, and observability across the lifecycle. Collaborating with Cloud Teams, Enterprise Architecture and Security ...

Senior Web Engineer, Subscriptions Platform

Location
Greater London, England, United Kingdom
Spotify is seeking a Senior Web Engineer to build end-to-end features for our internal Premium offers platform. You will develop with TypeScript, React, and Next.js, design and consume GraphQL APIs, and work with gRPC and Protocol Buffers in distributed services. You’ll own database schemas in PostgreSQL ...

Frontend Engineer (Next.js, TypeScript)

Location
Greater London, England, United Kingdom
seeks a Middleweight Software Engineer for the Browse team. You’ll work on our e‐commerce storefront front end with React, Next.js and TypeScript, contributing to CMS/API‐first integrations and a design system. Strong testing, accessibility and collaboration with product/design are essential. You’ll join ...

Staff Frontend Engineer — Lead AI-Driven Web Platform

Location
Greater London, England, United Kingdom
features end to end, write API contracts, and guide migrations while maintaining high standards for security and performance. You’ll work with TypeScript, React, and Next.js in a server-side rendered stack, shaping AI-enabled workflows and modern frontend practices across the department. #J-18808-Ljbffr ...

Frontend Engineer: AI-Driven UI for Energy Modeling

Location
Greater London, England, United Kingdom
TransitionZero is seeking a Frontend Engineer to join the interface team and help shape Scenario Builder with React and TypeScript. You will build new capabilities, improve the foundations of the product, and create intuitive experiences over large datasets and complex energy models. You will work with product, design, backend engineers ...

Frontend Engineer — AI-Driven Energy Data Platform

Location
Greater London, England, United Kingdom
Modo Energy is hiring frontend engineers to join one of our product teams: Terminal, Data, Ko, or Modelling. You'll build a shared TypeScript, React, and Next.js frontend in a monorepo and ship against a company-wide design system. We value fast learners who ship with autonomy, move across component ...

Frontend Engineer, AI-Powered Energy Data Platform

Location
Greater London, England, United Kingdom
Modo Energy is hiring frontend engineers to join one of our product teams. You’ll contribute to a shared TypeScript, React, and Next.js codebase in a monorepo and build against our design system. You’ll ship features across the Terminal, Data, Ko, or Modelling teams, with autonomy and opportunities ...

Product Engineer - End-to-End Features (Remote)

Location
Greater London, England, United Kingdom
features end-to-end, from concept through deployment, across backend, frontend, UI/UX, and deployment considerations. You will work with Python, Typescript, React and Electron in a product-driven environment, shaping user-focused improvements while adapting to new areas as needed. The role combines development, testing, and field deployment ...

Autonomous Health-AI Product Engineer

Location
Greater London, England, United Kingdom
building a health-AI platform and seeks engineers who own problems end to end. You'll work on a modern serverless stack with TypeScript, React, AWS, and GraphQL, shipping features that touch millions of patients through a national health system. We value raw horsepower, strong CS fundamentals, and the ability ...

Senior Python & API Architect - Remote UK

Location
United Kingdom
ensure security‐minded DevSecOps practices while staying hands‐on technically. You will drive architecture decisions and build enterprise apps using Python, Django, Flask and React.js, delivering secure REST APIs and scalable data solutions in a hybrid remote setup across the UK. #J-18808-Ljbffr ...

Senior Frontend Engineer — Growth Experiments & Impact

Location
Greater London, England, United Kingdom
executing growth-driven experiments to enhance user engagement and retention while collaborating with cross-functional teams. The ideal candidate has strong expertise in React and TypeScript, and a commercial mindset that translates into actionable insights that drive business objectives. Join a company that values experimentation and measurable impact. #J ...

Hybrid Product Design Engineer — AI-Driven UI for Complex Apps

Location
Greater London, England, United Kingdom
talk to customers, design and ship improvements, test and release them, then follow up on how they work in practice. We build with React, Redux and TypeScript, and use AI coding tools for implementation. #J-18808-Ljbffr ...

SharePoint Dev Engineer: SPFx, Graph & Integrations

Location
United Kingdom
User Experience (EUE) team to support high-profile clients. You will design and build SharePoint solutions using SPFx, develop with JavaScript, TypeScript, React and REST APIs, and integrate SharePoint with third‐party systems. This on-site UK role requires five days on site and includes pre-employment checks. Capgemini promotes ...

Frontend Engineer: Data Visualization (Hybrid, London)

Location
Greater London, England, United Kingdom
sectors, and move prototypes from concept to production with robust, reusable abstractions. A strong eye for UX, accessibility and responsive design, plus experience with React, TypeScript and modern tooling, will help you thrive in a fast-paced, #J-18808-Ljbffr ...

Remote Principal Engineer – Java, AWS & Enterprise Web Apps

Location
Greater London, England, United Kingdom
experience as the priority. You will shape architectural direction, lead a software team, and deliver scalable, secure enterprise web applications using Java, Spring Boot, ReactJS, AWS, and data tech like Postgres, MongoDB and Snowflake. #J-18808-Ljbffr ...

AI-Powered Full Stack Engineer (PHP/JS) for Fitness

Location
United Kingdom
Workouts team, focusing on workouts, plans, and fitness data. You’ll build backend services with PHP 8.0+ (Symfony/Laravel) and frontend with React/Vue, using AI-assisted coding tools to accelerate delivery. You will contribute across the SDLC, collaborate with product and cross-functional teams, and help scale ...

Senior PHP/Laravel Engineer — Build Impactful Apps

Location
Ipswich, England, United Kingdom
applications, APIs and services, taking ownership of feature design and delivering robust software. You should have strong PHP/Laravel experience, be comfortable with React frontend work, MySQL, Git and testing. The role offers hybrid work with mandatory office presence on Tuesdays and Fridays near Ipswich, and a salary ...

Full Stack Engineer (Remote, 4‐Day Week)

Location
Greater London, England, United Kingdom
Cuvva Limited is hiring a Full Stack Engineer to help build flexible car insurance products. You’ll work across frontend (React/TypeScript) and backend (Go/Node) with a product-led team, shaping ideas from discovery through production and delivering value to millions of users. We offer a four ...

Senior Front-End Engineer — Create Next-Gen Energy UIs

Location
City Of London, England, United Kingdom
renewable energy startup located in London is seeking a skilled Web Developer to create and maintain responsive applications using modern technologies like React and TypeScript. The ideal candidate should have over 5 years of experience in web development, proven success in launching consumer-facing products, and strong collaboration skills. This ...

Senior Front-End Engineer: Build Scalable Web Apps & SDKs

Location
Greater London, England, United Kingdom
will collaborate with product, design, and customer success to deliver reliable deployments used by hundreds of Segmentify customers daily. The role covers developing across React, Vue, or Svelte, building npm packages, and shaping Front-End CI/CD pipelines. A strong TS background and B2+ years of experience ...

Senior Web Design Engineer: Crafty UI & Brand Interactions

Location
Greater London, England, United Kingdom
collaborate with design and marketing to empower the next generation of creators and builders. You’ll own and elevate landing pages, implement high-performance React/TypeScript experiences, and build reusable components that scale across product and marketing teams. Join a fast-moving, owner-driven culture.” #J-18808-Ljbffr ...

Full-Stack AI UI/UX Engineer | Equity Options

Location
Greater London, England, United Kingdom
high-performance tools, working closely with AI experts. The ideal candidate has over 5 years experience in web applications, mastery of TypeScript and React, and a knack for intuitive design. This role offers competitive salary, equity, and an opportunity to shape the future of AI. #J-18808-Ljbffr ...

AI-Driven Product Engineer Intern — Full Ownership

Location
Greater London, England, United Kingdom
product team, shipping real code to production from week one and owning a meaningful project end-to-end. You’ll use Go, TypeScript with React, and Postgres on Google Cloud, with Terraform, BigQuery, and monitoring tools in the mix. The role offers senior mentorship, rapid learning, and a fast-paced ...

Frontend Engineer – FinTech Real-Time UI, Newcastle

Location
Newcastle upon Tyne, England, United Kingdom
user interfaces, collaborating closely with various stakeholders. Ideal candidates will have a 2:1 or higher degree in Computer Science and strong experience with React and TypeScript, along with a passion for creating engaging interfaces. This role offers a competitive salary of £45,000 to £80,000 plus bonuses ...