50,322+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Frontend Engineer — Build Financial OS (React/Next)

A tech startup in Greater London is seeking an experienced frontend developer to join their lean team. The role requires expert knowledge in React, TypeScript, and Tailwind, along with familiarity with NextJS. Candidates who have experience in backend engineering and user-facing software delivery will stand out. ...

Frontend Engineer (Next.js) – AI Tools, Hybrid Leeds

A creative technology company in Leeds is looking for a Frontend Developer to join their dynamic team. The role involves developing features for their platform, primarily focusing on user experience and functionality using Next.js and React. You'll collaborate with multiple teams and leverage AI tools to improve ...

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 ...

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 ...

Python & React Data Engineer — Databricks, SQL & Dashboards

DNS Info Ltd is looking for a skilled Python + React + SQL + Databricks developer to combine backend data engineering with frontend application development. This role involves building APIs, developing ETL pipelines, and creating responsive UIs. Candidates should possess strong coding skills in Python, React.js, ...

Senior React Frontend Architect Lead, Mentor & Deliver

A leading financial services consultancy in Edinburgh is seeking a Frontend Developer to architect and implement complex frontend systems. This role involves applying UX/UI best practices and collaborating with stakeholders to deliver innovative solutions. The ideal candidate should have extensive experience wit ...

Frontend Engineer for Engaging Educational Apps

An innovative educational media company is seeking a Front End Developer to work on their educational app and manage their CMS system. The role involves supporting the company website and collaborating with game artists, offering a chance to contribute to engaging digital products. Ideal candidates should have e ...

Real Time Full Stack Engineer React & Python

A leading FinTech recruitment agency is looking for a Full Stack Developer to join a high-performing team in Greater London. The role involves developing real-time web applications and requires solid experience in React and Python. You will work on building scalable systems and collaborate closely with product t ...

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 ...

React UI Engineer: Real‑Time, Low‑Latency Apps

HCLTech is seeking a highly skilled UI Developer proficient in React, TypeScript, and performance optimization for low-latency applications. This role involves building time-critical, high-availability applications and requires hands-on experience across the full UI development lifecycle. The ideal can ...

Full Stack JS Engineer for Secure ServiceNow Apps

NCC Group is looking for a Full Stack JavaScript Developer in Greater London. This role involves designing and maintaining secure applications specifically within the ServiceNow platform while collaborating with various stakeholders. The ideal candidate should have strong expertise in JavaScript, NodeJ ...

Mid Level .NET Developer — Full Stack Azure Onsite

Altech Group Ltd is seeking a Software Developer in Manchester City Centre. This mid-level role focuses on building features across a SaaS platform, developing scalable systems and working on greenfield projects within a strong engineering culture. Requirements include .Net proficiency and fullstack sk ...

Remote React Native Engineer – Checkout & Returns

A technology company is seeking a skilled developer to join their Post-Purchase team in London. The role involves designing, building, and iterating on checkout and returns experiences to improve conversion rates. Candidates should have a minimum of 3 years of experience with React Native, strong JavaScript skil ...

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 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 ...

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 ...

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 ...

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 AI Software Engineer Foundry (Newcastle)

Job Search Place Limited is seeking an AI Foundry Software Developer in Newcastle. This full-time position focuses on building and managing AI-augmented business applications. The ideal candidate will possess strong programming skills in Typescript and React, be passionate about technology, and have a ...

Lead Frontend Engineer, Shopify E‑Commerce & Performance

Durlston Partners LLP is seeking a Senior Frontend Developer in London to lead the development of their Shopify e-commerce platform. The role involves building responsive, high-performing web experiences and collaborating with cross-functional teams. The ideal candidate has proven experience in modern ...

Senior Full Stack Engineer — Web Platform Leader

Fleetio is looking for a Senior Software Developer to coordinate and manage the design, development, and maintenance of the Auto Integrate Web presence in Portsmouth, England. The ideal candidate will have experience with web applications, specifically in front-end and back-end development using React, ASP.NET, ...

Senior Full Stack JavaScript Engineer

Gravity Engineering Services Pvt Ltd. is seeking a skilled full-stack developer in Greater London to architect, develop, and maintain web and mobile applications. You will collaborate with cross-functional teams and lead code reviews while mentoring junior developers. The ideal candidate has 5+ years o ...

Senior Full Stack Engineer Real Time Training Interfaces

Skyral Group in Warminster seeks a skilled developer to transform data models into effective training systems. The role emphasizes front-end design and involves integration across various technologies. Ideal candidates will possess strong programming skills in Go, Python, React, and Typescript, and exc ...

Associate Software Engineer 3D Printing & React/TS

Stratasys in Cambridge is seeking a software developer to design and maintain modern features while collaborating with various teams in an Agile environment. You'll tackle technical challenges using technologies like React and TypeScript. Ideal candidates hold a degree in Computer Science or a related ...

Senior Full Stack Engineer: React & .NET Cloud & Dashboards

Sivara GmbH is looking for a Senior Full Stack Developer to join their team in London. This role involves leveraging your skills in React JS and C# .NET Core to develop scalable applications for the financial sector. The environment is collaborative, with opportunities to work on innovative projects. T ...

Senior AI Software Engineer Foundry, Newcastle

Cyber Security training courses is looking for an AI Foundry Software Developer to join their team in Newcastle. This full-time in-office position involves working on AI-augmented business applications. The ideal candidate will possess strong programming skills, hands-on experience with Typescript and ...

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 ...

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 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 ...

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 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 ...

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 ...

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 ...

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 ...

Remote Platform Engineer AI Trainer DataAnnotation

Overview Requirements We are looking for proficient programmers who are fluent in English and have a strong background in either Python and/or JavaScript. You should be detail-oriented and possess excellent writing and grammar skills. Quality Control Quality control: ensur ...

Hybrid Node.js & React Engineer – 1 day in office

Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

NodeJS Developer in London Quant Capital

Requirements: At least 2 years of software development experience, which may have occurred at school. Proficiency in the following technologies:HTML5, TypeScript/JavaScript, NodeJS. Experience in building responsive web applications using React. Experience in testing through Uni ...

Full Stack Developer

Mid-Level Full Stack Developer£45, to £55, (Depending on Experience)Braintree (On-site)Permanent, Full-TimeAbout the RoleWe're seeking a Mid-Level Full Stack Developer to join a growing Technology & Innovation team. You'll play a central role ...

Frontend Developer

Join the Digital Revolution as a Frontend Developer! Are you a talented Front-End Developer ready to shape the future of digital experiences? Our innovative tech client is seeking individuals like you to contribute to their cutting-edge digital platform. Why this Opportunity? ...

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