1,101 to 1,125 of 1,207 React Jobs in the UK

build production AI solutions—all within customer environments. You'll work hands‐on-keyboard alongside customer teams, whether you're migrating a legacy React application to App Router, conducting a deep‐dive code audit, or deploying production agents using Vercel's AI SDK. You will be equally comfortable leading … remote‐first with significant travel (25‐40%) to customer sites for embedded engagements. What you will do: Lead complex frontend migrations —modernizing legacy React, Vue, or other frameworks to Next.js, including Pages to App Router transitions, incremental adoption strategies, and large-scale codebase transformations. Conduct technical assessments and code audits ...

Role: Full Stack Software Engineer (Python/React) Client: Leading Multi-Asset Trading Firm Compensation: Up to £140,000 Base + Bonus + Comprehensive Package Location: London (Hybrid) Overview A leading multi-asset trading firm in London is seeking a talented Full Stack Software Engineer to join its growing technology … include: Designing, developing, and maintaining scalable, high-performance trading applications Building robust, low-latency backend systems using Python Developing modern, responsive frontend interfaces using React to visualize real-time data Collaborating with cross-functional teams, including traders and quants, to define technical requirements Improving system reliability and performance to handle ...

Front End Developer - FinTech - Newcastle (Tech stack: Front End Developer, React, TypeScript, Websockets, SignalR, Containers, Orchestration, UX, Usability, Programmer, Developer, Architect, Front End Developer) Our client is a cutting-edge FinTech company with a reputation for innovation and excellence. They design and build advanced trading and analytics platforms used globally … successful candidate will bring: A 2:1 or higher degree in Computer Science (essential). Strong recent experience with modern front-end frameworks, particularly React, alongside TypeScript. Background working with real-time communication tools such as Websockets or SignalR. Familiarity with containerisation and orchestration platforms. A genuine enthusiasm for creating ...

ones - this is that role. What we’re looking for 5+ years of experience building and shipping full-stack products Proficiency in modern frontend (React/TypeScript) and robust backend development Strong architectural thinking and familiarity with distributed systems Ability to rapidly prototype, experiment, and learn from real usage Exceptional … design) Contribute to core product strategy, technical decisions, and cultural foundations Our Tech Stack We choose tools that empower both humans and AI: Frontend: React, Typescript Backend: Golang & Rust Cloud: Cloudflare, GCP, AWS, multiple LLM providers Tooling: Github Actions, OTEL, Grafana, Terraform, and more Always evolving with what works best. ...

fundamentals - networking (L3-L7), distributed systems, data structures & algorithms Experience building high-volume, low-latency, resilient infrastructure services Nice to have: TypeScript/React experience for operator dashboard development AWS infrastructure experience (EKS, MSK, Lambda, Direct Connect, Network Firewall) Bitbucket Pipelines CI/CD and GitOps delivery workflows Experience with … cluster Kubernetes environments Automate WAF rule management across Akamai and Cloudflare using WAF-as-code patterns Contribute to the platform operator console (TypeScript/React) for route management, drift detection, and session visibility Collaborate with LOB teams to onboard routes and migrate traffic from legacy ingress infrastructure Participate in incident ...

actually use Genuine product instinct — you can tell the difference between impressive and useful, and you optimise for useful Front-to-back range: a React UI a customer enjoys, and the API and data model that make it real AI-native working style: Claude Code is already in your daily … Cross, on‐site showers for those who enjoy active commuting, and serious per‐engineer AI tooling and API budgets. Tech Stack. TypeScript, Node.js, React, Tailwind, OpenAPI, Express, Azure (Container Apps, Service Bus, Front Door, Entra ID), Postgres, Terraform, GitHub Actions, Docker. Anthropic‐first AI with in‐house evals and scaffolding. ...

ideas to directly shape our app development and products beyond our established work. You will work with a modern tech stack using Next.js, React, TypeScript and Tailwind CSS. You will use your skills for Frontend and Backend technologies built on top of Next.js. You will take ownership of features from … have advanced experience building web apps using React. You are a TypeScript pro, know your way around Next.js, and can implement common and advanced React patterns. You’ve been doing this for 5+ years. Working with git is natural for you. You use AI as a core part ...

Responsibilities Frontend Development Develop and maintain user-friendly interfaces using React.js and Next.js. Implement server-side rendering (SSR) and static site generation (SSG) with Next.js for optimized performance. Build efficient... Technical Skills React.js & Next.js – Strong experience in building and optimizing React applications with Next.js. JavaScript & TypeScript – Proficiency in JavaScript (ES6+ ...

A leading AI technology firm is looking for a Full Stack Software Engineer (Forward Deployed) to collaborate with public sector teams in building impactful AI applications. The role involves designing architectures, mentoring staff, and ensuring ...

Vodafone Group Plc is looking for a Lead Full Stack Developer to join their team in Greater London. The role involves designing, building, and maintaining cloud-native services that power Vodafone's next-generation Digital ...

Founding Frontend Engineer We're recruiting for a leading AI security start-up who are building an adaptive security layer designed to detect and respond to evolving threats in real time. As a Founding Frontend ...

Title: Front End Developer (React) Location: Telford/Hybrid (2 days per week on site) Duration: 6 Months Rate: Up to £605 per day inside ir35 Clearance: BPSS Required An exciting opportunity has arisen for an experienced Front End Developer (React) to join a major UK Public Sector digital transformation … features and enhancements. Participate in code reviews and contribute to continuous improvement initiatives. Essential Skills & Experience Strong commercial experience developing front-end applications using ReactJS . Excellent knowledge of JavaScript (ES6+) . Experience working closely with UI/UX designers to deliver pixel-perfect interfaces. Experience developing responsive, accessible ...

Title: Lead UI Developer – Single Dealer Platform (TypeScript/RxJS/React) Corporate Title: Up to VP Location: Bromley At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth … front end architecture, delivery, and quality of our Single Dealer Platform used by Sales/Trading and institutional clients. You’ll own the React/TypeScript codebase, bring reactive programming best practices (RxJS), and build low latency, event driven UI features for real time market data, pricing, RFQ, order entry ...

Full Stack Engineer/Developer (Node TypeScript React Azure) Bristol/WFH to £95k Are you a senior Full Stack Engineer looking for a genuine Greenfield opportunity where you'll shape architecture from day one? You could be joining a growing financial services business as they build a brand ...

Java Script Works is looking for a skilled CRO Frontend Engineer specializing in React and TypeScript. This full-time position is based in London, United Kingdom, with a competitive salary range of £90,000 - £140,000 per annum. The ideal candidate will have extensive experience in frontend development ...

scale public sector delivery team. You will work within a blended agile squad delivering high-volume citizen-facing services built with Ruby on Rails, React.js, Java SpringBoot, and AWS serverless back-ends. You will own complex technical tasks, mentor peers, and promote secure-by-design engineering while collaborating with civil ...

Java Script Works is looking for an experienced Frontend Developer in the UK, proficient in both React and Angular. You'll work on multiple platforms while contributing to an innovative fintech startup. The role promotes remote work and offers flexible hours, ensuring a great work-life balance. The compensation ...

Jobtailor is seeking an experienced software leader to drive the design and delivery of scalable applications. You will guide frontend and backend teams using React, Node.js, and TypeScript, while owning architectural decisions and security practices. You will mentor distributed teams, translate complex requirements into technical designs, and ensure adherence ...

seeking a Full Stack Senior Software Engineer with a strong frontend focus to help evolve the Discover platform. You’ll build modern React applications and contribute to backend services when required, delivering engaging customer journeys for investments and savings products. You’ll work across product, design and engineering, taking ownership ...

JPMorgan Chase is seeking a Lead Software Engineer in its accelerator program to design and build scalable front-end solutions in TypeScript/React for both consumer and business-facing features. You will help elevate code quality through best practices and collaborate across squads to drive impactful outcomes. You thrive ...

seeking a highly skilled Technical Lead with 10+ years in software development and 3+ years in technical leadership to design scalable solutions using React, Node.js and AWS. You will mentor teams, drive architectural decisions, and ensure best practices across projects. The role blends hands-on development with leadership ...

high-performing engineering squad. You will work on backend-led services using Kotlin or Java 17+, and contribute to modern web interfaces with React and TypeScript. You’ll operate within an AI-augmented engineering environment, focusing on value, correctness, and maintainability. You will collaborate with product managers, designers and other ...

candidate should have expertise in designing, developing, deploying, and supporting web clients using Classic ASP and JavaScript. Strong experience with modern web frameworks, specifically React and Redux, is essential. Proficiency in JavaScript development, both client-side scripting and server-side ASP, is necessary. #J-18808-Ljbffr ...

fully remote contract role. You will work on transforming and rebuilding critical applications for a UK organization, delivering backend and frontend features with Go, React, and TypeScript. The position involves REST/GraphQL APIs, PostgreSQL, and cloud deployments in GCP or AWS, with IaC using Terraform and Google Cloud Build. ...

will work on backend-led services using Kotlin or Java 17+, building APIs and event-driven flows, and contribute to modern web interfaces with React and TypeScript. The role emphasizes AI-augmented engineering and collaboration with product managers, designers and engineers. #J-18808-Ljbffr ...