48,161+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Geospatial JavaScript Developer | Map Tech & Cloud

Expert Employment is looking for a JavaScript Developer to join their geospatial software development team in the City of Edinburgh, United Kingdom. The role involves developing and maintaining software solutions, requiring strong experience with JavaScript, React, and Python. The ideal candidate will ...

Senior C# & React Native Engineer (Healthcare Tech)

慨正橡扯 is seeking a Senior Software Developer to enhance the CIS Oncology product suite, specifically ChemoCare. This role involves designing and maintaining complex software features, fostering collaboration with QA teams, and mentoring junior developers. The ideal candidate will have solid commercial e ...

AI Driven Full Stack Engineer (React + Python)

ClearRoute is seeking a full-stack developer with a strong front-end focus to build the Superhighway control plane. The role involves using React and Python to develop high-quality features for self-service data exploration and platform interaction. The ideal candidate has 6+ months of experience with ...

Full Stack Cloud AI Engineer Platform Delivery

Hexcel Corporation is seeking a hands-on Full Stack Developer for our Duxford, UK location. In this role, you will design and deliver modern enterprise applications, embedding AI capabilities across the software lifecycle. The ideal candidate will possess strong experience with C#, .NET, React, and clo ...

SC Cleared Full Stack Engineer — Azure/Node/React

SR2 REC LTD is seeking a full-stack developer with active SC clearance for a long-term rolling contract. You will join an agile team to build and support a secure Azure-based platform. The ideal candidate has strong experience with Node, TypeScript, and React, along with good understanding of CI/CD and ...

Senior Software Engineer (Go/React) Remote & Impact

Civica in Eastbourne is seeking a skilled software developer with expertise in Go and React. The ideal candidate will design, develop, and implement software solutions, ensuring optimal performance and mentorship to junior engineers. Responsibilities include conducting code reviews, collaborating with ...

Front End Engineer (React/JS) – Flexible & Impactful

IBM in Manchester is seeking a Front-End Application Developer to design and develop modern user interfaces. You will work with JavaScript frameworks, collaborate with cross-functional teams, and ensure code quality. The ideal candidate will have strong skills in JavaScript, HTML5, and CSS3, as well as ...

Senior Front End Architect & Lead JS Engineer (React/Angular)

Calibre Digital Consulting Limited is seeking a mid-level to senior web developer in Manchester to build and maintain high-quality web applications. The ideal candidate will have experience with Angular JS, React, and a passion for design and development. Applicants must be eligible to work in the UK a ...

Front End Engineer: UI/UX, WebSocket & React Native

Extech 2000 Limited in Croydon is seeking a front-end developer to enhance its applications. You will work in an agile team to ensure all applications are user-friendly and meet specifications. The ideal candidate should be experienced in user interface design, secure development practices, and familia ...

Senior React Frontend Engineer 3 Month Contract (Hybrid)

Adecco is seeking a Senior Front End React Developer for a 3-month contract based in Manchester. The role involves building scalable frontend code and contributing to features that power a digital web build. You will work closely with cross-functional teams to deliver high-performance applications and ...

Founding Full Stack Product Engineer – AI Cybersecurity

C&D Talent Advisory is seeking a Mid-Senior Full-Stack Developer specializing in AI product integrations. You’ll design scalable systems and lead product development end-to-end in a fast-paced environment. The role includes working with technologies like TypeScript, React, and Node.js. The position off ...

Senior AI Software Engineer Foundry, Newcastle

Nigel Frank is looking for an AI Foundry Software Developer to join their team in Newcastle. This full-time position involves leveraging modern technology to provide bespoke solutions in banking and financial services. The ideal candidate will have excellent programming skills, UI development experienc ...

Low Latency React UI Engineer (Real Time Apps)

HCLTech is looking for a highly skilled UI Developer specializing in React, TypeScript, and low-latency applications. You will be responsible for building high-performance applications, managing the UI development lifecycle, and optimizing for performance. The ideal candidate will have a strong backgro ...

Senior React Frontend Architect Hybrid London

Capco is seeking a talented Frontend Developer in London to architect and implement complex systems using React and modern frameworks. You will champion frontend engineering standards, coach junior developers, and collaborate with stakeholders. The role offers a competitive, people-first benefits package includi ...

Lead Cross Platform Mobile Engineer — Shape AI Productivity

Iamwarpspeed is seeking a passionate Lead Cross-Platform Mobile Developer to lead the development of their mobile applications. This pivotal role ensures a seamless and native user experience across iOS and Android platforms. Candidates should have 5+ years of experience in cross-platform mobile development, pre ...

Front End Engineer – Global Video Platform (Remote)

A leading video platform company in Greater London seeks a front-end developer to enhance their cloud-based platform. You will work with technologies like React and ES6, collaborating closely with mentors to drive projects from design to production. Candidates should have experience with front-end frameworks and ...

Backend & Fullstack Engineer for AI‑Driven SaaS Growth

Hook is seeking a skilled full-stack developer for its innovative team in Greater London. The role involves both frontend and backend development, primarily using Python and React. You will work on designing product features, improving architecture, and ensuring system performance. The position offers a competit ...

Front End Engineer: Build Fast, Responsive UIs (Flexible Work)

Solirius Consulting in Greater London is looking for a skilled Front-End Developer to build and maintain user-facing features. The role includes developing responsive web interfaces and collaborating with design teams. Candidates should have strong experience in front-end technologies such as Angular a ...

Senior Front End React Lead (Hybrid, 15% Bonus)

A tech solutions provider in Wolverhampton is looking for a Front-End Developer with strong experience in building high-traffic solutions. The ideal candidate should have solid experience at a senior engineer level and expertise in React. The position offers a starting salary of up to £85,000, a bonus scheme of ...

Frontend Engineer II — React/TypeScript, Build & Refactor

Commerce Software UK Ltd is looking for a Front-End Developer to build high-quality features with React and TypeScript. You will work on refactoring legacy code and collaborating with designers to define requirements. The ideal candidate has at least 3 years of experience. If you possess a Bachelor's d ...

Senior Full Stack .NET Engineer

A software development company in Milton Keynes is seeking a Senior Full Stack Developer to take ownership of exciting challenges and deliver high-quality, maintainable code. The ideal candidate will demonstrate proficiency in C#, .Net 8, HTML, CSS, and JavaScript, alongside front-end frameworks like React and A ...

Full Stack Cloud & AI Engineer — Platform Delivery

United States Digital Space LLC is seeking a Full Stack Developer for its Duxford, UK location. This hands-on role involves designing and delivering enterprise applications across the full software lifecycle, including deployment and production support. The ideal candidate will have strong experience i ...

React Native Mobile Engineer Hybrid, Pets App

Pets at Home is seeking an App Developer to enhance our mobile app, creating high-quality digital experiences for pet owners. This role requires experience in mobile development and a strong proficiency in React Native, TypeScript, and related technologies. Join us in a collaborative environment that e ...

Game Engine Developer for Live, Editable Worlds

A video game start-up in London is looking for a passionate Game Engine Developer to join their team. You will be involved in creating and managing games, developing new gameplay systems, and building engine features. The ideal candidate should have 1 to 4 years of experience in software engineering or game deve ...

Senior Full Stack Developer — Healthcare Transformation

NHS is seeking a Band 7 Senior Developer to enhance its core clinical workforce management platform. This role involves building scalable solutions using React, TypeScript, and cloud technologies. The candidate will collaborate closely with cross-functional teams to translate business requirements into ...

Senior Frontend Engineer — React/Next.js, API‑Driven

TXP is looking for a Senior Front-End Developer for an initial 3-month contract, based in Greater London. The role requires strong expertise in React, TypeScript, and Next.js, focusing on building secure and high-performing user interfaces within a full-stack Azure environment. Successful candidates wi ...

Senior Full Stack Engineer — Build DevTools (Remote, Equity)

A leading cloud analytics company in the UK is seeking a Senior Full Stack Engineer to enhance their HyperDX platform. This role involves building key product features and collaborating with the developer community while working with modern technologies like TypeScript, Node.js, and React. The position offers a ...

AI‑First Product Engineer — Build Multimodal Agent Systems

A leading AI startup in London is seeking a Product Engineer to join a dynamic team focused on innovative AI solutions. This role involves building scalable systems using modern technologies like FastAPI and React, shaping user interfaces for agent collaboration, and defining technical strategies. The ideal cand ...

Senior Frontend Architect for AI Driven SaaS

A leading AI-driven SaaS company is seeking a Mid-Senior Front-End Engineer to architect scalable web applications. You will define patterns for a React + TypeScript codebase, enhance developer experiences, and mentor teams. The ideal candidate has 8+ years in large-scale web applications and a passion for perfo ...

Senior React Native Lead — Build High‑Impact Mobile Apps

Pets at Home is seeking a Senior App Developer to lead our mobile app development. You'll play a critical role in enhancing our React Native app, ensuring high quality and customer-focused solutions. We offer hybrid working options from our Support Office in Handforth, Cheshire. Candidates should bring ...

Energy Trading Full Stack Engineer — London

A global energy trading company in London is seeking a Full Stack Developer to work within the Global Analytics team. The role involves collaborating with business units to develop analytics applications for commodity trading. Candidates should have over 5 years of experience, particularly with C# and React, and ...

Experienced Backend Java Developers

**_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Senior Java Software Engineer

Could your Java expertise help build the next generation of publishing technology that advances science and improves lives? Are you excited by the opportunity to collaborate across Agile and DevOps teams, shape architecture, and drive continuous improvement in a cloud-hosted distributed environmen ...

Software Engineer (Java / C++)

Software Engineer (Java / C++) Date: Jun 18, 2026 Location: Abingdon, OXF, GB, OX14 4RW We are looking for the right people — people who want to innovate, achieve, grow and lead. We attract and retain the best ...

Mid Java/Clojure Engineer

**About the Role:** **Grade Level (for internal use):** 09**The Team:** OTC Derivatives Data provides consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. As a Java/Clojure Engineer ...

Intermediate Java Software Engineer

Department: Experience Design & Development Company Description Version 1 has celebrated over 26 years in Technology Services and continues to be trusted by global brands to deliver solutions that drive customer success. Our expertise enables our customers to navigate the rapi ...

Java Full Stack Engineer

IT Delivery Consultant - Currently Looking to speak with Permanent UCD Professionals (Service Design, User Researchers, Content Designers & UX Design) Salary - £55,000 per annum + Additional Benefits Remote with occasional client visits Candidates must be eligible to go thr ...

Lead Software Engineer Java

Lead Software Engineer - Java Join to apply for the Lead Software Engineer - Java role at TPXimpact | B Corp™ 2 days ago Be among the first 25 applicants About The Role Job Level: 10 UK Wide We are looking for a Lead Software Engineer who ...

Java Backend with Microservices

<p style="margin-bottom:20px"> Seeking an experienced Overseas Contractor with 5 to 7 years of expertise in Java Microservices to design and develop scalable backend solutions</p> <p style="margin-bottom:20px"> Job Description </p> <p style="margin-bottom:20px ...

AI Azure Developer in Elland A SAFE GROUP

AI Azure Developer Elland, United Kingdom Posted 9 months ago Tech stack Azure GraphQL GitHub Artificial Intelligence REST Python C Java API Below is a snippet of the jo ...

Junior Trade Desk Developer in London Quant Capital

Junior Trade Desk Developer Quant Capital London, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble Tech stack Java Python STEM Below is a snippet of the job description. To read the fu ...

Engineering & Quality Software Engineer

Engineering & Quality - Software Engineer Join to apply for the Engineering & Quality – Software Engineer role at myGwork – LGBTQ+ Business Community . This job is with Fitch Group, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ ...

Frontend Developer

Responsibilities Develop and maintain web applications using React.js. Collaborate with designers and backend developers to deliver high-quality user interfaces. Optimize components for maximum performance across a vast array of web-capable devices and browsers. <l ...

Frontend Angular Developer

Salary: £50,000 - 65,000 per year Requirements Strong skills in Angular (18+) or TypeScript Experience with SQL Server Ideally some experience in React Native or mobile development Interest in AI and utilizing AI in development Experie ...

Technical Architect AWS Java

This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Technical Architect (AWS Java) Remote UK to £100k Are you ...

Senior Java Software Engineer

Valcon is a fast-growing European consulting, technology, and data company operating across the UK, the Netherlands, Denmark, Sweden, and Croatia. Backed by private equity, we have brought together some of the most exciting companies in consulting to build a modern, results-oriented firm focused on deliver ...

Senior Java Software Engineer

Get AI-powered advice on this job and more exclusive features. This range is provided by James Adams. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from James Adams Lond ...

Lead Software Engineer, Java

Lead Software Engineer, Java Join to apply for the Lead Software Engineer, Java role at DolarApp Who we are Our vision is simple: a global financial system, without hidden fees or unfair FX rates. With control in the hands of the users instead of the hand ...

Senior Software Engineer (Java)

hackajob is collaborating with Kainos to connect them with exceptional professionals for this role. Join Kainos and Shape the Future At Kainos, we’re problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we’re transforming digital service ...

Full Stack Developer (React/Python) Up to £180k + Exceptional Bonus Elite FinTech Firm London

Perks: Modern tech stack, flat team structure, collaborative culture, beautiful workspace We're working with a top-tier FinTech client who is looking for outstanding Full Stack Developers to join their high-performing team. You'll be building complex, enterprise-level applications that ar ...

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    Java React Developer Jobs in United Kingdom Job Search Guide, Trends and Insights