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

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Java Backend Engineer — Real Time Data & Cloud (AWS)

Sivara GmbH is hiring a Java Developer for a fully onsite contract role in Bournemouth, UK. This position focuses on backend engineering, real-time stream processing using Flink, and cloud-native development on AWS, requiring strong hands-on Java experience. The ideal candidate will have expertise in S ...

Java Software Engineer

Opportunity to join a global fintech innovator shaping the future of payment technology! About the Role: You’ll be working across backend services, portals, and payment processing platforms, delivering clean, scalable, and testable code. This is a hands-on engineering role where ...

Full Stack Engineer

This range is provided by intro. 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 intro Full Stack Developer - Hybrid (3 days onsite) Permanent - Competitive Package ...

Full Stack Engineer

London (in office 3 days/ week) Product and Engineering Reporting to Senior Full Stack Engineer We're not just closing the digital divide; we're reconnecting distributed organisations, enabling seamless communication, and re‑engaging employees like never befo ...

Senior Full Stack Cloud Developer

Senior Full Stack Cloud Developer – Senior Developer, Azure Devops, ADO, AI, RAG, Artificial Intelligence, Solutions Developer, Solutions Development, .Net Developer, bicep, docker, full stack, cloud developer, AI developer, platform engineer, containerisation, LLM, CI/CD, github, Technical Archite ...

Senior Java & TypeScript Engineer – Cloud, CI/CD & Impact

Kainos is seeking a Senior Java Developer based in Budock Water, England. You will develop high quality solutions that delight customers and impact users globally. The role demands experience in Java, TypeScript, Angular, and AWS, as well as a collaborative spirit to mentor junior staff. The company va ...

Senior Java Architect Hybrid Role in London

A global digital engineering provider is seeking a seasoned Java Developer for a hybrid role in London. The successful candidate will work on complex applications, leading initiatives and mentoring peers. Responsibilities include designing Java and Python systems, collaborating with international teams, and ensu ...

Android Engineer – EdTech for Global Learning

Java Script Works is seeking a full-time Android Developer in London to develop mobile applications using Java and Kotlin. The ideal candidate will have experience in native app development for Android and/or iOS and will benefit from Dev-ops knowledge. The role involves contributing to the EdTech sector, focusi ...

Lead Java Architect – Real Time Risk & Cloud (Hybrid)

A leading financial institution in Greater London is seeking a Lead Java Developer. Your role will involve leading the delivery of Risk enhancements and managing the full development lifecycle. Ideal candidates will have strong experience in Core Java and exposure to Capital Markets technology. You'll get to wor ...

Senior Java Backend Engineer for Scalable Quote API

A leading retail company in London is seeking a Java engineer to enhance developer experience and modernise its core systems. You will work on building components for a significant transformation project, with responsibilities including CI/CD pipeline management and migration to cloud services. Ideal candidates ...

Senior Java Engineer Low Latency Trading Systems

TP ICAP Group Services Ltd is seeking a Senior Java Developer based in the City Of London. The role involves designing and implementing low-latency trading system components while collaborating with diverse teams to ensure optimal performance and stability. Candidates should have substantial experience ...

Java Backend Engineer Spring & Kafka, Game Tools

Rockstar Games in Dundee is looking for a Java Backend Developer with over 3 years of experience. In this role, you will design and implement solutions to meet fast-paced game development challenges, collaborate with various technology teams, and develop a strong understanding of the systems used across Rockstar ...

Backend Engineer Java Spring Boot on GCP (Hybrid, London)

Methods is seeking a Back End Developer specializing in Java Spring Boot and Google Cloud Platform (GCP) for a 6-month project. This hybrid role involves working 3 days a week in our London office. The successful candidate will help migrate core architecture, develop connectors for various platforms, a ...

High Performance Java Engineer for Low Latency Trading

A leading investment bank is seeking a experienced Low Latency Java Developer to design and develop high-performance applications for their Front Office Algo and eTrading projects. The ideal candidate will have strong Core Java skills and knowledge of multithreading, with an eagerness to learn and collaborate ac ...

Senior Java Architect & Tech Lead Cloud & Microservices

Scrumconnect Ltd is seeking an experienced Java Developer to lead the design, development, and delivery of scalable enterprise applications in Swansea, South Wales. You will be pivotal in ensuring high-performance and secure applications while driving technical excellence and mentoring developers. The ...

Senior Java Engineer Camunda & Microservices

Sivara GmbH in London (Vauxhall) is seeking an experienced Java Developer to join our implementation team. The ideal candidate will design and develop Camunda-based process automation solutions and collaborate with analysts to refine business processes. You should have strong experience with Java, Spri ...

Senior Java Engineer — Cloud Microservices & Spring Expert

Experian in Nottingham is seeking a skilled Java developer to join their team. The role involves delivering high-quality software solutions, building REST APIs, and conducting code reviews, all while adhering to agile principles. Ideal candidates have significant experience in Java development, familia ...

Principal Software Engineer: Modernization (Java/TS)

Java Script Works is seeking a Principal Software Engineer in Bristol, United Kingdom. This full-time position offers an attractive compensation package of up to £95K. The ideal candidate should have experience as a Solution or Enterprise Architect and be familiar with TypeScript and/or Java. Additional knowledg ...

Senior Java Backend Engineer – Hybrid (Edinburgh)

A global technology enterprise in Edinburgh is seeking a Senior Java Backend Developer with over 15 years of experience. The role requires strong proficiency in Java 17, Spring Boot, and knowledge of cloud platforms like GCP. This position offers a hybrid work environment with 2 days onsite and 3 days remote. Th ...

Remote Graduate Software Integrator Java/SQL

Graduate Recruitment Bureau is looking for a Graduate Software Integration Developer to work remotely. This full-time position offers up to £35K in compensation, along with excellent training and a structured career path. You will support the client's integration platforms, including Java and .Net, and regularly ...

Full Stack Engineer: Data Analytics & AI Integrations

Java Script Works is seeking a Full Stack Developer specializing in Data Analytics and Integration to work in London, United Kingdom. The role involves developing mobile apps and server-side applications using technologies such as Java, Python, and Node.js. Ideal candidates will have extensive experien ...

Senior Java Microservices Engineer (Blockchain) – London

A financial services client is seeking a Senior Back-End Developer skilled in Java Microservices to work primarily onsite in London. You will design and maintain critical back-end components in a microservices architecture, collaborating with teams to deliver high-performance applications. This role requires exp ...

Graduate Software Engineer Python/Java/C/C++

Java Script Works is looking for a Graduate Software Developer to join their team in Cambridge, United Kingdom. The ideal candidate should have a minimum of AAA at A Level or equivalent UCAS points and be proficient in coding with C++, Java, Python, JavaScript, or C#. The role offers a competitive salary of up t ...

Senior Java Engineer Microservices & Cloud

A leading software development company in Greater London is seeking a Senior Java Developer to contribute to the development of Back Office and integration services. You'll work on greenfield projects, collaborate with cross-functional teams, and engage in aspects from architecture to deployment. The ideal candi ...

Senior Java Engineer for Quote API — Hybrid, High Impact

A prominent retail company is seeking a Java Engineer to join the Engineering Enablement team in London. This role involves building and maintaining components critical for the modernization of our pricing and promotions platform. The ideal candidate should have strong experience in Java 8+, cloud services, and ...

Senior Java Engineer — Backend & Microservices Lead

Inspired-Thinking-Group- in Birmingham is seeking a Java Developer to join its innovative backend development team. You will be responsible for developing complex Java applications, collaborating with Business Analysts and Project Managers in an Agile environment. The ideal candidate has demonstrable e ...

Low Latency eFX Java Algo Engineer

A global consulting firm in London is seeking an experienced eFX Java Developer to design and maintain low-latency applications for electronic FX trading systems. Ideal candidates have a strong background in Core Java, multithreading, and real-time market connectivity, with experience in trading environments ess ...

Lead Java Architect: CIAM, Kafka & Microservices

Capgemini is seeking an experienced Lead Java Developer based in Northampton who will design, develop and implement scalable identity solutions. The ideal candidate will have expertise in CIAM and strong technical leadership abilities using Java, Spring, and more. This role offers a blend of office, cl ...

Backend Java Engineer APIs, PostgreSQL & Cloud

som3 Recruitment is seeking an experienced Back End Developer based in Basingstoke, UK. The role involves transitioning software development from an outsourced model to in-house. You will work with a team to design and implement new back-end features in Java while ensuring documentation consistency for RESTfu ...

eDV Cleared Java Engineer: Microservices & Cloud

A leading recruitment agency is seeking an eDV-cleared Java Developer to join a skilled engineering team in the UK. The role involves hands-on development of complex software systems utilizing modern DevOps practices. Ideal candidates are experienced in Java, Spring, and CI/CD pipelines, and have a passion for w ...

Senior Java Engineer: Hybrid Cloud & AI Solutions

IBM is seeking a Senior Java Developer based in Greater London to support our Public Sector and Defence clients. The role involves designing and developing high-quality applications using Java/JEE and modern web technologies. You will be responsible for integrating systems, applying best practices like TDD, and ...

Java Engineer: High Performance Trading Systems

A finance technology firm in Greater London is looking for a Java Developer to enhance electronic trading systems in a fast-paced environment. The role involves developing backend services that ensure high-volume trading, improving performance and scalability, and working closely with product and trading teams. ...

Java Backend Engineer — Spring Boot, Cloud & DevOps

Sivara GmbH in Welwyn Garden City is seeking a Backend Developer to design high-quality Java services using Spring Boot. You will work in a hybrid environment and take ownership of production systems, ensuring their reliability. Ideal candidates will have several years of experience in Java, strong Dev ...

Java Full Stack Engineer Cloud Microservices & APIs

N Consulting Limited is looking for a Full Stack Java Developer to design and develop scalable Spring Boot microservices. You will create secure REST APIs and collaborate across product and cloud teams to ensure operational stability. The ideal candidate should have strong Java and Spring Boot experien ...

Java Software Engineer — Cloud Native & API Security

3761 Barclays - BX - UK is looking for a skilled software developer to design, develop, and improve software solutions. This role in London emphasizes Java proficiency, secure coding, and teamwork to ensure high-quality software delivery. Key responsibilities include developing scalable software, colla ...

Senior Java Full Stack Engineer for AI Powered Platforms

Fimador is seeking a Full Stack Java Developer in Greater London. You will help modernize industry-leading solutions while mentoring and guiding a team of developers. The ideal candidate has over 5 years of experience in software engineering, particularly in Java development, and a strong focus on lead ...

Java Software Engineer for AI Driven SaaS (Remote)

Eden Scott is looking for a Software Developer in Glasgow, offering a hybrid work model. You'll design and develop scalable Java-based applications while contributing to technical direction in a forward-thinking engineering team. The role requires 4+ years of commercial software development experience, ...

Senior Java Security Engineer Enterprise & IAM Expert

Zensar Technologies is looking for an experienced Java Developer based in Greater London. The role demands at least 7 years of hands-on experience in Java enterprise environments, and expertise in building enterprise financial solutions. Responsibilities include investigating security findings and upgrading l ...

Remote Java Software Engineer — Enterprise Web Apps

Langham Recruitment is seeking a Full Stack Java Developer for a remote role focusing on enterprise-grade web applications. The position involves collaborating with various teams across the development lifecycle, ensuring high standards for business systems. Ideal candidates should have 2-3 years of Ja ...

Senior Front End & API Developer for NHS Platforms

Salt Digital Recruitment is hiring a Senior Developer to support NHS and healthcare digital projects. The role focuses on developing front-end features with Vue.js and building RESTful APIs and microservices using Java, ensuring secure and scalable solutions. Applicants should have strong commercial ex ...

Senior Java Backend Engineer – Cloud Data Platform (Remote)

Xantura Limited is seeking a Senior Java Developer in London to design and develop scalable backend systems for our cloud-based data and analytics platform. Candidates should have strong commercial experience with Java and excellent technical skills in SQL, REST APIs, and Linux environments. The role i ...

Java Software Engineer Build High Quality, Scalable Apps

ELLIOTT MOSS CONSULTING PTE. LTD. is looking for a motivated Software Engineer – Java Developer to join their team in Penarth, Wales. The role involves developing high-quality Java applications, ensuring adherence to coding standards, and performing thorough testing. Applicants should have 1-4 years of ...

Senior Java Microservices Engineer (Blockchain) – London

A financial services client is seeking a Senior Back-End Developer skilled in Java Microservices to work primarily onsite in London. You will design and maintain critical back-end components in a microservices architecture, collaborating with teams to deliver high-performance applications. This role requires exp ...

Hybrid Full Stack Engineer — Java & Cloud Infra

Telstra Associates is seeking a Full Stack Java Developer for a hybrid contract role based in Dundonald, Northern Ireland. This position requires an onsite presence in Belfast three days a week. You will play a crucial role in a leading global Tier 1 financial institution, contributing to significant technolo ...

Remote Lead Java & Spring Boot Engineer

Sivara GmbH, based in Greater London, is seeking a Java Developer to lead a team in developing innovative solutions for Central Government. The ideal candidate will have strong expertise in Java and Spring Boot, experience with cloud services, and valid SC Clearance. This remote role offers competitive ...

Software Developer

Software Developer £33,000 - £50,000 | Stafford | Hybrid Yolk Recruitment are supporting an established and growing software business in their search for a Software Developer to join their collaborative engineering team based in Stafford. This is an opportunity to ...

QA Engineer Fintech Selenium Java in London Quant Capital

Job Opportunity Details My client is based in Central London, and this role offers a hybrid approach - 1 day a week in the office, potentially 4 days per month in bulk. Skills Required QA Java Engineer Java Developer React.JS Growth JavaScript C ...

Senior Mobile Engineer Architect Global, Scalable Apps

A leading fintech company in Greater London seeks a Senior Mobile Developer to architect and build user-friendly mobile experiences. You will own feature development from start to finish, working with backend teams to ensure scalable solutions. Ideal candidates have a strong React Native background, experience w ...

Software Engineers (Java, C#, C++, Python, JavaScript, React) (IT) in Widecombe in the Moor CGI

Overview Widecombe-in-the-Moor, United Kingdom Posted 24 days ago This is a job posted by our partner Jooble Principal Software Engineer, Nifty Gateway Software Engineer, Nifty Gateway (Fullstack) 108 E 16th Street, New York, NY 10003 Proven Experienc ...

Manager, Software Development (Node/Java, React) to lead product development for our payments industry client

Manager, Software Development (Node/Java, React) to lead product development for our payments industry clientDuration: 6 Months (Extensions likely)Location: Hybrid (Toronto)Overview: Reporting to the Director, Technology Platform Design and Management, you wil ...

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