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    Senior AI Backend Engineer — Java/Kotlin + LLM

    Experis Manpower Group busca un desarrollador backend especializado en AI para unirse a un equipo en el Reino Unido. La función requiere al menos 5 años de experiencia en desarrollo backend con JAVA, así como en la creación de API e integración con servicios de IA y modelos de lenguaje grande (LLM). El ...

    Java Backend Engineer Secure, DV Cleared & Microservices

    Forwardrole is looking for a Java Developer to join a small engineering-led team dedicated to delivering secure software and data capabilities in sensitive National Security environments. The ideal candidate will have strong Java backend development experience and work across modern microservices archi ...

    Senior Java Web Engineer — London (12m Contract)

    Experis - ManpowerGroup is seeking a Software Developer to work in London, primarily focused on Java and Web technologies. The role includes designing and supporting enterprise-grade applications while adhering to modern engineering standards. Candidates should have strong experience in Java/JEE, a bac ...

    Senior Backend & AI Engineer Java, LLM APIs

    Experis Manpower Group busca un desarrollador backend/AI en Reino Unido. Se requiere al menos 5 años de experiencia en desarrollo backend con JAVA, así como experiencia en la creación de API y servicios basados en inteligencia artificial. El candidato ideal debe tener conocimientos en integración con p ...

    Senior Java Engineer — Fulfillment Platform & APIs (Hybrid)

    Tesco in Welwyn Garden City is seeking a Full-Time Software Engineer to build their new Fulfilment platform. The role involves designing applications, enhancing system efficiency, and maintaining coding standards. The candidate should have experience in Java development, agile methodologies, and ideall ...

    Senior Java Engineer Full Stack, Vice President

    ## Senior Java Engineer - Full Stack, Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: June 28, 2026 (11 days left to apply)job requisition id: ## **Role Overview:**The Senior Java Full-Stack Engineer is an ...

    Remote First Senior Backend Engineer — Java & Serverless

    A global educational technology firm located in Manchester is seeking a Senior Backend Engineer with extensive experience in backend development, especially in Java and serverless technologies. In this role, you will design scalable backend services, develop RESTful APIs, and collaborate with cross-functional te ...

    Senior Java Engineer Full Stack, Vice President

    Role Overview The Senior Java Full-Stack Engineer is an experienced, individual contributor position responsible for designing, developing, and implementing high-quality, end-to-end application systems and programs in coordination with the Technology team. The overall objective of this role is to ...

    Java DevOps Engineer DV Cleared – Hybrid Cheltenham

    IO Associates is searching for a skilled Java Developer with DevOps expertise to join their team in Cheltenham. This role requires active UK*C DV clearance and offers a hybrid work model, typically 3 days on-site per week. In this dynamic position, you'll engage in Java development and utilize tools su ...

    Senior Java & C++ Software Engineer — Hybrid UK

    A global energy industry leader in Abingdon is looking for a Software Developer to design and develop complex applications. The ideal candidate has over 4 years of experience in Java and C++ development, familiar with Agile methodologies, and excellent problem-solving skills. This position requires hybrid work a ...

    Senior Software Engineer – RWA Risk Platform (Java)

    Oakwell Hampton Group is seeking a Senior Software Developer in London to join a high-profile programme in the banking sector. This role involves designing and developing risk technology applications and collaborating with quantitative analysts. The ideal candidate has strong experience with Java, a so ...

    Software Engineer — Java/Spring, BI & Data Visualization

    An established industry player is seeking a talented Software Engineer to join their innovative team. This role involves designing and developing software solutions tailored to client needs, utilizing Java and the Spring framework while adhering to Agile methodologies. You will engage with clients to gather requ ...

    Java Engineer in Burgess Hill American Express

    Java Engineer BurgessHill, UnitedKingdom Tech stack Kotlin REST Java RESTful API Minimum Qualifications Minimum 4-5 years of professional experience in software development. Proficient in Java and/or K ...

    Senior Java/Kotlin Backend Engineer – Spring Boot

    American Express is seeking a Java Engineer in Burgess Hill, United Kingdom. The role requires a minimum of 4-5 years of professional experience in software development, proficiency in Java and/or Kotlin, and experience with microservices architecture and RESTful API design using Spring Boot. This is a ...

    Full Stack Java/Spring Boot Engineer – Sheffield

    A leading IT staffing company is seeking a Full Stack Developer for their Sheffield location. This role requires proficiency in Java and Spring Boot with 3-7 years of experience. The ideal candidate will have a strong understanding of microservices architecture, front-end frameworks like React or Angular, and ex ...

    Software Development Engineer II (Java) Customer Fulfilment

    Tesco UK • Welwyn Garden City • Full-Time • Permanent • Working hours 36 • Apply by 10-Aug-2026 We are in the process of building and rolling out our next generation, dynamic, scalable, and resilient Fulfilment platform for Tesco, to address both manual, and robotic powered automated fulfil ...

    Full Stack Engineer: Java Microservices & Scalable APIs

    FDJ UNITED is seeking a Backend or Full Stack Developer/Engineer to engage in the full system life cycle, focusing on scalable, maintainable services for our customer service back offices. This role offers the opportunity to deepen technical knowledge, work with experienced engineers, and grow into a senior p ...

    Platform Backend Java Engineer (Hybrid, Fixed Term)

    A leading consultancy firm seeks a Backend Java Developer in Birmingham to build core backend services for data access governance. The role involves heavy lifting with Java (17/21), Spring, and SQL planning. As part of a hybrid team, you will implement policies and work on high-throughput services. Strong hands- ...

    Java Software Engineer Global Payments Platform | Remote

    Worldpay (UK) Limited is seeking a Software Engineer to join its Cambridge team, focusing on developing reliable payment solutions for a global audience. This role involves collaborating within a cross-functional team and tackling complex issues in the ecommerce payments gateway. The ideal candidate ha ...

    Senior Java API Engineer – Pricing Platform (Hybrid)

    A leading retail technology firm in Greater London is seeking a skilled Java Developer to join their Price Service team. The role involves designing robust, scalable APIs used across all of Tesco’s channels, serving millions of shoppers weekly. Key responsibilities include implementing systems, translating produ ...

    Senior Software Engineer, Java for Investments Platform

    A global technology company in the UK is seeking a Product Manager to develop innovative financial solutions. You will define and shape the Wise Assets product, focusing on user experience and data-driven decisions. The role requires strong project coordination skills and experience in web applications developme ...

    Senior Java/Kotlin Backend Engineer FinTech (Hybrid)

    Oliver Bernard is looking for Senior Java/Kotlin Engineers to join their growing fintech team in London. This role involves designing and building high-performance backend services, working with distributed systems, and utilizing modern tooling. Ideal candidates will have strong commercial experience w ...

    Senior Java Engineer Scalable Architecture Driven Platform

    mthree is seeking a Java Software Engineer to join a tier-one global financial institution in London. This role involves crucial contributions to a digital transformation project across the capital markets technology estate. The ideal candidate will have strong Java and distributed systems experience, ...

    Senior Java Engineer Scalable Architecture Driven Platform

    mthree is seeking a Java Software Engineer to join a tier-one global financial institution undergoing a digital transformation. In this role, you will be instrumental in scaling a mission-critical platform while driving architecture, performance optimization, automation, and engineering best practices. <p ...

    Senior Java Backend Engineer – Spring Boot & Microservices

    Computer Futures is seeking a Senior Java Engineer to develop scalable back end solutions that make a significant impact. This role emphasizes problem-solving and understanding system architecture beyond code. The ideal candidate will have a strong Java + Spring Boot background and proven experience in ...

    Impactful Java Engineer (Spring) for Health Tech

    OASIS Group is offering multiple Software Engineer opportunities, allowing you to be part of a growing and innovative organization. This is an exciting chance for motivated engineers to contribute to important projects that advance human health using modern technologies. Ideal candidates will have a de ...

    Senior Java Backend Engineer: Fintech Microservices Impact

    Castleisland is looking for a Backend Engineer to join our innovative fintech team in Greater London. This role involves designing and maintaining scalable backend systems that power our financial products. You'll collaborate in creating high-quality solutions focused on financial inclusion. The ideal ...

    Staff Java Backend Engineer APIs & Banking Tech

    Java Script Works is seeking a Staff Software Engineer specializing in Java backend development, based in Belfast, United Kingdom. The ideal candidate must have expertise in Core Java, JEE technologies, and API Development, with knowledge in Banking or similar sectors. This full-time role offers a comp ...

    Senior Java Automation Engineer — FX eTrading Backend

    Citi is looking for a Senior Automation Engineer to join their Tech team in Greater London. This role involves owning the backend automation capability within the FX eTrading technology stack, ensuring quality delivery for critical applications. Candidates will need significant experience in backend test auto ...

    Senior C/C++ & Java Engineer — Windows Enterprise

    Java Script Works is seeking a Senior C/C++ Developer with Java experience in Birmingham, United Kingdom. The role requires development work in a Windows environment, with previous software development experience in Java being essential. Beneficial skills include frontend experience with JavaScript, TypeScript, ...

    Senior Software Engineer – Backend & Mobile, AWS & Java

    Sivara GmbH is seeking a Senior Software Development Engineer to join our backend team in London. This role involves leading a cross-functional squad while focusing on technical design and implementation. We're dedicated to changing banking for good, emphasizing innovation and collaboration. The ideal ...

    Java Distributed Systems Engineer Global Scale Services

    Omaze is seeking engineers for the Apple Services Engineering team in London. This role focuses on building and improving features for Apple services such as Podcasts and Apple Music. Successful candidates will work on data systems that serve millions of users globally. Candidates should have strong ex ...

    CICS Liberty Middleware Engineer (Java/JVM) Hybrid

    Sivara GmbH is looking for a Middleware Infrastructure Engineer specializing in CICS Liberty for a 6-12 month contract. This role involves supporting the engineering and optimisation of Java workloads running in CICS environments, primarily based in London or Edinburgh, with a hybrid work model. The id ...

    Senior Kotlin/Java Backend Engineer — FinTech Microservices

    Hydrogen UK Ltd is seeking a Senior Software Engineer with strong skills in Kotlin and Java to support a major financial services programme. The ideal candidate will have proven experience in building scalable backend systems and microservices within regulated environments. This role offers hybrid work ...

    DevOps Engineer — AWS, Bash & Java | Agile Ops

    Richard Wheeler Associates seeks a dedicated DevOps Engineer to join their team in Newbury, United Kingdom. The role demands a comprehensive understanding of DevOps principles and expertise in various tools including AWS and Bash scripting. Ideal candidates will have experience in agile methodologies a ...

    Senior Java Engineer | Spring, Microservices | Hybrid UK

    Sivara GmbH is seeking an experienced Senior Java Developer to join their dynamic team. This hybrid role is based remotely and in the UK, offering a day rate of £300-£350 outside IR35. The ideal candidate will have extensive experience with modern Java technologies, strong technical leadership capability, and ...

    Principal Java Engineer Low Latency Payments Platform

    RE Partners is seeking an experienced Principal Java Engineer to join our engineering team in the UK. This role involves designing and optimizing low-latency systems for payment processing, utilizing modern technologies. With over 10 years of experience required, candidates must have expertise in Core ...

    AVP Java Fullstack Engineer: Financial Crime Innovation

    Barclays is looking for a Java Fullstack Engineer at AVP level in Glasgow, United Kingdom. This role will involve shaping the future of financial crime prevention through the Integrated financial crime program. The ideal candidate will collaborate with cross-functional teams, maintain code quality, and have expe ...

    Senior Application Software Engineer (Java/Spring/Backend)

    Overview Job Title: Senior Application Software Engineer (Java/Spring/Backend) Location: Manchester Salary: £60,000-£75,000 Workplace Type: Hybrid (3 days a week in the office) Employment Type: Full-Time About Us </h ...

    Senior Fullstack Engineer Java/Kotlin & TS, Flexible

    Company Description Legal & General (L&G) is a leading UK financial services group and major global investor. We've been safeguarding people's financial futures since 1836, and strive to build a better society, while improving the lives of our customers and creating value for shareholders ...

    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 Boot, REST & Kafka

    Rockstar in Dundee, Scotland is seeking a Java Backend Developer to design and implement solutions for game development challenges. The ideal candidate has over 3 years of experience in Java backend development, strong command of the Spring Boot ecosystem, and a solid understanding of MySQL. You will contribute ...

    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 ...

    Software Engineer, Developer, Backend Java Identity IAM

    Software Engineer, Developer, Backend Java Identity - IAM Contract Until End of December 2026 (Renewable) Rate: £600 per day Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a ...

    Senior Full Stack Software Engineer (Java / React )

    Senior Full Stack Software Engineer (Java / React)Would you like to help create products to support the sharing of scientific knowledge?Do you enjoy collaborating to solve complex technical problems?About the team:Our dynamic Agile Teams deliver the technology that facilitates researchers to publish quality scie ...

    Graduate Software Engineer (Android/Java) – Hybrid Role

    A leading technology firm in Glasgow seeks a Graduate Software Engineer to work on mobile applications for police services. You'll write Java and XSLT code and gain exposure to the full project lifecycle. Ideal candidates have a relevant 2:1 degree and a solid understanding of programming concepts. The role is h ...

    Java Full Stack Engineer Consultant Digital Excellence

    At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today an ...

    Real Time Java & Kafka Engineer (React UI)

    JPMorgan Chase & Co. is looking for a Software Engineer III in Bournemouth to design and build a real-time client liquidity dashboard using Java, Kafka, and ReactJs. This role involves technical leadership, collaboration with global teams, and a focus on producing high-quality code. Candidates should have a stro ...

    Space Domain SDA Software Engineer Java Microservices

    A leading technology group in the UK is seeking a highly motivated Software Engineer to support activities in Space Domain Awareness. The role focuses on developing Java micro-services and RESTful APIs while working within an agile environment. Candidates should possess experience in automated testing and strong ...

    Senior Java Backend Engineer (Spring Boot & Microservices)

    United States Digital Space LLC is seeking a Backend Developer to design and maintain backend services using Java 17/21+. You will build scalable applications with Spring Boot, architect microservices, and collaborate with cross-functional teams to optimize performance. The ideal candidate will have ex ...

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