java developer jobs in London

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1,000 java developer job listings in United Kingdom. Find daily updated positions from leading job boards.


  • greater london, england, United Kingdom, England N Consulting Full-time £85,000 - £110,000

    N Consulting in London is seeking a senior MEAN Stack Developer with Java to join the technology team. The role focuses on developing and implementing scalable web applications in a money markets context, working with Angular, Node.js, Java, Spring Boot, and associated tools.Responsibilities include end-to-end development, security considerations, and...


  • greater london, england, United Kingdom, England Insight International (UK) Ltd Full-time £65,000 - £90,000

    Type: FTC - Fixed term contract 12 months Mode: Hybrid Java, Microservices REST APIs Kafka Database: Candidates with SQL or NoSQL experience are acceptable; ideally the overall submission should demonstrate both types of database exposure. Complexity: No unusual/specialist requirements identified - essentially standard Java + microservices + Kafka +...


  • greater london, england, United Kingdom, England Adroit People Limited (UK) Full-time £70,000 - £90,000

    Adroit People Limited (UK) is seeking a MEAN Stack Developer with strong Angular and Java expertise to join our London team on a permanent basis. You will develop modern frontend apps with Angular 14+ and build robust backend services using Java, Spring Boot, and Node.js, working with SQL Server.You will collaborate with cross-functional teams to deliver...


  • City of London, England, United Kingdom, England eFinancialCareers Full-time £120,000 - £180,000

    Citi in London seeks an FX Risk Lead Java Developer + AI (VP) to architect and deliver real-time FX risk systems. You will work across the global markets team, leveraging GenAI tooling for development and code reviews, and drive strategic technology choices in a hybrid work environment.You will lead end-to-end delivery of high-performance Java applications,...


  • London, England, United Kingdom Mondrian Alpha Full-time

    A leading global hedge fund is looking to hire an experienced Software Development Engineer in Test / Test Automation Engineer / Software Engineer to join its technology function, working on the development, automation and reliability of its trading platforms and production systems.This is a highly technical, hands-on engineering opportunity, working closely...


  • greater london, england, United Kingdom, England International Business Machines Corporation Full-time £70,000 - £100,000

    IBM is seeking a Senior Java Developer to design and build high-quality Java/JEE applications for Public Sector and Defence clients. You will contribute to secure, dependable solutions, work with modern web technologies, and engage in CI/CD and DevOps practices.Responsibilities include implementing enterprise patterns, integrating with legacy systems, and...


  • greater london, england, United Kingdom, England Global Full-time £65,000 - £98,000

    Global is seeking an adaptable Java Developer to help shape the future of our consumer growth tech stack. You will work on features for the Global Player product across platforms and internal tools, focusing on scalable, well-tested services.You’ll collaborate with developers, leads and product owners, contribute to CI/CD pipelines, and deploy on...


  • London, England, United Kingdom S.i. Systems Salary Full-time

    Our Public Sector Client requires various Senior Systems Analysts (10+ years) to assist in the analysis, design, development, and testing of related systems using Java technologies.ResponsibilitiesPerform detailed system and technical analysis on existing AMP application components to support enhancements, bug fixes, and refinements.Design, develop, modify,...


  • Newington, London, United Kingdom Randstad Full-time

    Role: Java React DeveloperType: PERMLocation: London, UKWorking Model: Hybrid (3 Days per week in Office)We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices.The Tech Stack:Backend: Java (11/17), Spring Boot, Spring Security, Microservices.Frontend: React.js, TypeScript, JavaScript,...


  • Charing Cross, London, United Kingdom Randstad Full-time

    Role: Java React DeveloperType: PERMLocation: London, UKWorking Model: Hybrid (3 Days per week in Office)We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices.The Tech Stack:Backend: Java (11/17), Spring Boot, Spring Security, Microservices.Frontend: React.js, TypeScript, JavaScript,...


  • Bethnal Green, London, United Kingdom Randstad Full-time

    Role: Java React DeveloperType: PERMLocation: London, UKWorking Model: Hybrid (3 Days per week in Office)We are hiring a Full Stack Java/React Developer to build and deploy enterprise-scale distributed applications and microservices.The Tech Stack:Backend: Java (11/17), Spring Boot, Spring Security, Microservices.Frontend: React.js, TypeScript, JavaScript,...


  • greater london, england, United Kingdom, England SMBC Group Full-time £70,000 - £110,000

    SMBC Group is seeking a software developer for the ITSD Business Platforms, within the Sales & Trading workstream. You will contribute to a pre-execution workflow system for structuring, valuing and matching voice deals in Interest Rate products.The role requires hands-on Java development, strong CS fundamentals, and experience with Spring Boot, PostgreSQL...

  • Java Developer

    1 week ago


    City of London, England, United Kingdom, England Lorien Full-time £77,000 - £129,000

    Java Developer - Back Office ChangeCity of London London (Hybrid - 3 days in office) | Contract - 12 months | Up to £700/day (Inside IR35)A well-established investment bank in the City is looking for a Java Developer to join its Back Office Change function, focused on modernising a range of FIS-based back and middle office systems. You'll be working...


  • City of London, England, United Kingdom, England Lorien Full-time £77,000 - £129,000

    Lorien in London seeks an experienced Java Developer for Back Office Change on a 12-month hybrid contract. You will modernise FIS-based back/middle office systems while delivering incremental changes and larger projects.You will engage stakeholders directly to clarify requirements and document decisions, bridging business needs with technical delivery. The...

  • Java Developer

    1 week ago


    City of London, England, United Kingdom, England LA International Full-time £42,000 - £58,000

    Java Developer (1-4 years experience)We are looking for a number of Java Developers for a Public Sector client. You will have between 1 to 4 years experience with a keenness to further develop your skills and experience in Java software development.Programming Languages: Proficiency in Java (often Java 11 or newer) and Object-Oriented Programming...

  • Java Developer

    1 week ago


    City of London, England, United Kingdom, England LA International Full-time £42,000 - £58,000

    LA International is seeking Java Developers with 1-4 years of experience for a Public Sector client in London. The role focuses on Java software development, using Java 11 or newer, Spring Boot, and RESTful services. Candidates should be familiar with Git, Maven/Gradle, and containerization basics such as Docker.The position is a 6-month contract, with a...


  • London, England, United Kingdom Headlands Technologies LLC Full-time

    Software Developer (Java) Job Description for Headlands Tech Locations: Amsterdam; Chicago; London; New York Scope: As a Java software developer at Headlands Tech, you will work in close collaboration with the research, systems, and operations teams to design, engineer, implement, and maintain the Firm’s software written in Java programming language....


  • greater london, england, United Kingdom, England N Consulting Global Full-time £90,000 - £130,000

    Domain: High-Performance Computing / Low-Latency SystemsWe are looking for an experienced Java Developer with strong expertise in JVM tuning, concurrency, and low-latency system design to build and optimise high-performance, event-driven applications.The ideal candidate will have a strong understanding of Java internals, memory management, networking, and...


  • London, England, United Kingdom hays-gcj-v4-pd-online Salary Full-time

    Your newpanyA leading technology consultancy is seeking an experienced Java AWS Application Developer to support a large-scale application refactoring and cloud migration programme. Working within a multi-team delivery environment, you will contribute to the modernization and migration of critical business applications to AWS. Your new roleAs a Java AWS...


  • greater london, england, United Kingdom, England Thrive IT Systems Full-time £70,000 - £100,000

    5 years of professional software development experience in Java Full Stack technologies Strong proficiency in Spring Boot Spring MVC Spring Security Extensive experience with Reactjs TypeScript HTML5CSS3 Redux or equivalent state management frameworks Strong understanding of ObjectOriented Programming Design Patterns Data Structures and Algorithms Proven...