50,297+ Java React Developer Jobs in UK — Top Companies Hiring July 2026

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Senior Developer, Investment Tech & Data Platforms

Pharos Resource Partners is seeking an experienced Senior Developer to join a high-performing technology team within a global investment management environment. The successful candidate will have strong buy-side financial services experience and a passion for building scalable, secure, and high-perform ...

Senior Frontend Lead — React/Next.js Expert

Sonata One is seeking a skilled Senior Frontend Developer to lead frontend development initiatives. The ideal candidate has extensive experience with React and Next.js, contributing to innovative web applications. You'll mentor a team and collaborate closely with designers and backend developers, ensuring hig ...

Senior Full Stack Engineer Build Internal Apps (React/TS)

Fynity is seeking a Senior Full Stack Developer based in Greater London for a 12-month fixed-term contract with potential for permanent placement. In this role, you will develop modern React-based internal applications alongside .NET backend services, aiming to replace legacy systems with scalable, API-first ...

Realtime UI Engineer (Hybrid) – React & Golang

bet365 in Manchester is seeking a Software Developer to scale a UI for a real-time event-based system. You will contribute to building a React UI that processes real-time data, empowering the business to create new bonus mechanics effortlessly. This full-time position allows for hybrid work and offers ...

Senior Web Architect: Lead & Mentor in London

Alchemy Digital, based in Borough Market, London, is seeking an experienced Senior Web Developer to join their team. The role involves shaping the development practice across the company and mentoring junior developers while delivering digital solutions for a diverse client portfolio. The ideal candida ...

Full Stack Web Developer: Build & Own Features

Sivara GmbH, based in Telford, is looking for a Full Stack Web Developer to join their team. This office-based permanent position offers a salary ranging from £30,000 to £40,000 per annum, depending on experience. Responsibilities include developing full-stack applications using JavaScript, Node.js, and React ...

Senior Full Stack Engineer: Python, Node & AWS

Ashdown Group is looking for a Full Stack Developer in Northampton with strong skills in Python, Node.JS, and AWS. The role involves developing and supporting full stack web applications within a hybrid work model, allowing for flexibility between office and remote work. The ideal candidate should also ...

Senior Web Tools Engineer (React/.NET)

Rockstar Games is looking for a passionate Web Developer to join their team in Edinburgh, Scotland. This full-time, permanent position offers the opportunity to work on large-scale creative projects and collaborate with talented professionals. The ideal candidate should possess strong experience in React and ...

Software Engineer

What You'll Do: Design, develop, and maintain high-quality Java backend applications (Spring Boot, RESTful services). Build and enhance frontend screens: Maintain legacy UIs using extJS. Develop modern interactive interfaces using Re ...

Lead Technical Engineer

JobTitle:TechnicalLead/StaffSoftwareEngineer//EngineeringLead/TechnicalDirector/ChiefEngineer Salary:£63,000-£103,000 Location:Bristol Ourclientisseekingenthusiasticandproactiveindividualstojointheirgrowingteam.Workinginabusybutdynamicenvironment,youwillJoinourclientsDigital&Datateamworkingalongsideproduct,desig ...

Software Engineer Design Systems (AI Trainer) in London DataAnnotation

Salary £56,219 - 64,251 per year Requirements Fluency in English Proficiency in either Python and/or JavaScript Detail-oriented Excellent writing and grammar skills A bachelor’s degree (completed or in progress) Resp ...

Software Engineer

What You'll Do: Design, develop, and maintain high-quality Java backend applications (Spring Boot, RESTful services). Build and enhance frontend screens: Maintain legacy UIs using extJS. Develop modern interactive interfaces using Re ...

Scala Big Data Developer (Spark) – UK

Information Tech Consultants is looking for an experienced Scala / Big Data Developer to join their team in the UK. This full-time position focuses on building and enhancing innovative data solutions within a fast-paced financial services sector. The ideal candidate will have 2-5 years of software deve ...

Oracle EBS & Cloud Applications Developer

Stantec in Scotland is seeking an Application Developer with strong experience in Oracle EBS to join their team. The role involves designing and developing software solutions to address gaps in core Oracle e-Business Suite capabilities while working with various tools such as PL/SQL, Java, and Oracle Integrat ...

Senior Java Software Engineer (Pricing API) 5 days London

Senior Software Engineer - (Java, Pricing API) – 5 days – Retail – London Day rate: £400 - £500 (inside IR35) Duration: 6 months On site: 5 days per week Start: Now My client is looking for a Senior Java Developer with 8 - 15 years e ...

Cloud Native Full Stack Dev (Java/Python/Go) – AWS/GCP

Dianaduggan is seeking a Full Stack Developer (Java / Python / Go) in Belfast for a leading global financial institution. The candidate will play a critical role in transforming technology in a hybrid multi-cloud environment, primarily leveraging AWS and Google Cloud. Key responsibilities include desig ...

Documentum ECM Engineer — AWS Cloud, SC Cleared, Onsite

Experis - ManpowerGroup in Telford is seeking a Documentum ECM Developer for a hands-on engineering role in an AWS environment. You will design, develop, and maintain OpenText Documentum solutions, contributing to cloud-based deployments and implementing DevOps best practices. The ideal candidate has s ...

Full Stack GIS Engineer — Hybrid, Public Sector Impact

Informed Solutions is seeking a Full Stack GIS Developer to engage in developing innovative digital solutions that aid complex public sector challenges. This role emphasizes collaboration and offers opportunities to work on high-profile projects while leveraging technologies like .NET, Java, Python, AWS, and ...

Senior Backend Squad Lead | Cloud, APIs & Data (6p)

T2M Resourcing is looking for an experienced software developer to lead a pod of talented developers in Newcastle. This role focuses on back-end development and requires expertise in C#, Java, and Python, as well as strong leadership skills. Ideal candidates will have a passion for solving complex engi ...

Senior Low Latency Trading Systems Engineer

White Swan Data is hiring a developer to build cutting-edge trading systems that optimize cloud-based low-latency data processing pipelines. Candidates must have strong skills in Python and Java, along with experience in Google Cloud Platform and Docker. The position offers numerous benefits including ...

Senior Scala Developer — Hybrid, Cloud & Full Stack

A leading technology consultancy firm in the UK is seeking an experienced Full-stack Developer to support the full life cycle of software development. The role involves coding with technologies such as Scala, Java, and .Net, and offers fast-track career development opportunities. Candidates should have at least ...

Senior Java Engineer Cloud Microservices

Apexon, based in Greater London, is looking for a self-motivated senior developer who excels in creating innovative software solutions. With a focus on Java, Spring Boot, and cloud services, the ideal candidate should have over 5 years of commercial experience and a passion for clean, maintainable code. < ...

Real Time Core Java Engineer Low Latency Trading

Teza Technologies in Greater London is looking for a core infrastructure developer to enhance their real-time trading platform. The role demands proficiency in Java and C++ along with experience in building low-latency systems. You’ll be responsible for designing new functionalities and troubleshooting produc ...

Java Desktop Engineer – Audio/DSP, Hybrid UK

Redline Group is working with a small engineering business in Kidderminster, Worcestershire, seeking a Java Developer for their R&D team. This role involves developing features for a complex desktop application used in audio control, requiring travel to their HQ. The ideal candidate has experience with ...

Senior ASP.NET Developer Build Cutting Edge CRM Solutions

A leading technology employer in Greater London is seeking a Senior ASP.NET Developer to join their development team. The role involves full participation in software development from conception to deployment, working on innovative omni-channel CRM solutions for telecom services. The ideal candidate should have ...

End to End Software Developer – FinTech Solutions

Core-Asset Consulting Ltd is seeking a Software Developer to join their Newcastle team. This role offers an exciting opportunity to deliver innovative software solutions in a collaborative environment. Candidates should have strong programming skills in C#, .NET, Java, Rust, or Python, and a demonstrable reco ...

Senior Java Backend Engineer — Spring Boot & AI Driven Dev

Scrumconnect Consulting is looking for an experienced Senior Backend Developer. You will design and maintain scalable backend systems using Java and Spring Boot. The role involves optimizing APIs, collaborating with cross-functional teams, and utilizing AI development tools. The ideal candidate has ove ...

Senior Android Engineer Kotlin, Lead, Hybrid Remote/Office

GUARDIAN NEWS AND MEDIA is seeking a Senior Android Developer to join our Apps team in a hybrid working environment. You will work on developing our Android app using Kotlin and Java while leading the team in innovation and quality. The role offers competitive benefits including 30 days of annual leave ...

AI Fleet Orchestration Engineering Lead

Dangote Industries Limited is seeking an experienced leader for the Platform Developer Experience team to drive the development of AI-native backend systems. You will shape how AI is integrated into platform infrastructure, thereby improving how developers ship software at scale. The ideal candidate ...

AI Native Platform Engineering Lead

Job Search Place Limited is looking for an experienced leader for the Platform Developer Experience team. You will drive the development of AI-native backend systems and shape the integration of AI into our platform's infrastructure. The ideal candidate should have over 5 years of backend engineering e ...

Python Developer for Fixed Income & Core Architecture

Purview is seeking a skilled Python Developer to join their team in Glasgow, UK. This permanent role involves developing Athena, Quartz, and SecDB while ensuring a solid understanding of the core architecture and design. Ideal candidates should have strong experience in Python programming or Java appli ...

Lead Software Engineer REST, SQL & Mentoring

Aucerna, based in the City of London, is looking for a skilled Team Lead Developer to manage a team of developers. This role involves designing intuitive application workflows using WPF and creating RESTful APIs. Candidates should have over 8 years of experience in either C# or Java, along with strong ...

Senior Platform Engineer Scalable APIs & TDD

Proxime Limited seeks an experienced Senior Software Developer in London with strong skills in PHP, HTML, CSS, and Java. The role involves developing and maintaining the core platform which drives all customer-facing products, ensuring it is scalable and flexible for agile delivery. The ideal candidate ...

Senior Backend Engineer for AI Powered, Scalable SaaS

A forward-thinking technology company in Greater London is seeking a Back-End Developer to work on AI-powered products. You will design and maintain scalable back-end systems while collaborating with data scientists and engineers. The ideal candidate has 3–5 years of experience in back-end development, strong kn ...

Cloud & Full Stack Developer (C/JS) – AWS/Azure, UK

Java Script Works is searching for a Software Developer based in Manchester, United Kingdom. The ideal candidate should have strong programming skills in C and JavaScript, with experience in cloud platforms such as AWS and Azure, and proficiency in SQL database management. This full-time position offers a compet ...

TypeScript Node.js Engineer for AWS IoT & Vision

Java Script Works is looking for a TypeScript Node.JS Developer to join their cloud services team in London, UK. The role involves developing a workflow and process management system that harnesses real-world IoT device data, including location tracking and computer vision. The successful candidate will have the ...

Senior Backend Engineer Java/Go Microservices & Security

A technology solutions provider is seeking a backend developer skilled in Go and Java for developing secure, scalable applications. The role involves working within a team focused on mobile security, delivering innovative features and enhancements. Candidates must have expertise in REST APIs, microservices, and ...

Full Stack GIS Developer — Impactful Public Sector Tech

A digital transformation consultancy in the UK is seeking a Full Stack GIS Developer to design and deliver innovative solutions that tackle complex public sector challenges. You will work with an experienced team, utilizing technologies such as .NET, Java, and Python in a supportive environment that fosters care ...

Java Cloud Engineer AWS, DevOps & CI/CD

A leading technology solutions provider in the UK is looking for a competent Java Developer to enhance and maintain software systems that meet user needs. This full-time role requires significant experience in AWS cloud services and various development tools including AngularJS and Jenkins. Candidates should pos ...

Graduate Software & AI Engineer — London

Graduate Recruitment Bureau is offering a full-time position as a Graduate Software and AI Developer in London, United Kingdom. Candidates must possess a 2:1 degree or above in computer science or related fields. Experience with Java, SQL, and C# is advantageous, alongside strong analytical and problem-solvin ...

Fintech PHP & JavaScript Engineer

Java Script Works is hiring a PHP JavaScript Developer in Greater London to join a rapidly growing fintech company. Candidates should be proficient in JavaScript, especially in object-oriented and asynchronous programming, along with PHP, HTML5/CSS3, SQL, and GIT. Experience with Node JS and Angular JS is a plus ...

Senior Oracle APEX Architect

Projects Expert UK Limited is seeking an experienced APEX developer to create and design bespoke solutions using the Oracle APEX toolset. The role requires demonstrable knowledge of Oracle APEX and complex PL/SQL code development, with additional skills in Java, SQL, and Cloud technologies. The ideal candidate s ...

IT Development Lead for SME Growth & Innovation

A growing IT firm based in Washington, England, is looking for a Developer to play a crucial role in supporting and developing applications to help double turnover over the next five years. Ideal candidates will possess strong programming skills in Java Script, SQL, HTML, and XML. This is a unique opportunity to ...

Senior Java Backend Engineer – Data Platform

A leading technology firm in the United Kingdom is seeking a Senior Backend Developer to support a data platform programme for a global financial services organisation. The successful candidate will design and implement backend services, ensure high levels of automated testing, and integrate with various systems ...

Senior SDET Java & Cloud Automation (Hybrid London)

Ports North is seeking a Senior Software Developer in Test with expertise in Java and cloud automation to join the team in London. This hybrid role involves ensuring quality and reliability of data pipelines and APIs through automation. The ideal candidate will design and implement scalable test soluti ...

Full Stack Developer — Growth Driven, Hybrid Role

A technology consultancy in Greater London is seeking an experienced software developer to contribute to all stages of the software development lifecycle. The ideal candidate has over 2 years of IT experience, a degree in Software Engineering, and proficiency in Java and database management. This role offers a h ...

Senior Endur Developer for Trading & Risk

Infosys Consulting in Greater London is seeking an experienced developer specializing in Endur to drive software solutions for the energy sector. You will join a dynamic team dedicated to delivering value through innovative trading and risk management systems. Your role involves developing Endur soluti ...

Senior Backend Engineer – AI Powered SaaS, Scalable

A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

Senior Java Engineer — Agile Leader & Mentor

Heywood, a leader in pensions administration, is seeking an experienced Java developer to join their team in Altrincham. The successful candidate will drive innovative solutions and collaborate with cross-functional teams to shape impactful features and products. You'll be empowered to use modern engin ...

Java & C++ Software Engineer Hybrid (Oxfordshire)

Halliburton in Abingdon is seeking a skilled Software Developer to join their team. This hybrid position requires working on new products and features using Agile methodologies, collaborating with architects and developers. The ideal candidate should have over 4 years of Java and C++ experience, famili ...

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