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    Experienced Backend Java Developers

    **_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

    Experienced Backend Java Developers

    Citi Belfast are hiring for Experienced Backend Java Developers with a skillset ranging from Assistant Vice President to Senior Vice President responsible for contributing to a variety of development activities. The overall objective of these roles is to assist/lead in applications systems development, analys ...

    Experienced Backend Java Developers

    Citi Belfast are hiring for Experienced Backend Java Developers with a skillset ranging from Assistant Vice President to Senior Vice President responsible for contributing to a variety of development activities. The overall objective of these roles is to assist/lead in applications systems development, analys ...

    Backend Developers

    Backend Development: Set up and maintain the backend server using Flask to support the application, ensuring scalability, security, and efficiency Seniority level Entry level Employment type Full-time Job function Engineering and ...

    Java Developers (all levels)

    Position Description Overview At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Engineer, you’ll play a pivotal role in designing and developing scalable, resilient back-e ...

    AI Trainer Advanced Java Developers

    About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledg ...

    AI Trainer Advanced Java Developers

    About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participants with a wide variety of experiences, knowledg ...

    Senior Java Developers x 3

    Senior Java Developer (AWS) – Finance | Inside IR35 | Canary Wharf (Hybrid) Location: Canary Wharf, London – 3 days onsite / 2 days remote Contract: Initial 6 months (likely extension) The Role We’re looking for an experienced Senior Java Developer ...

    Java backend Developer

    Java Software Engineer Responsibilities Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. Develop robust data distribution and strea ...

    Java Backend Developer

    # Java Backend Developer,November 30, 2025### Job Description**On behalf of our client, we are seeking a Java Backend Developer – London, UK (Full-Time Permanent Role).**Our client, a fast-growing technology organisation, is looking for a skilled Java Backend Developer to build secure, scalable backend services ...

    Java Backend ATA

    Job Title – Java Backend ATA Location– England, United Kingdom OR Amsterdam, North Holland, Netherlands Experience –6 to 12 years Mandatory Skills - Java, AWS, Spring Boot, Rest API Services, GraphQL Client Round –Yes Type of hire –Contract (remote working and occasi ...

    Backend Java Engineer

    Software Engineer (Java) Are you passionate about building software solutions that engage millions of sports fans worldwide? Do you want to work in a collaborative environment, building cutting‑edge technology that powers web and native applications across the sports industry? If so, we w ...

    Backend Developer Java

    Location: Edinburgh (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in financial services. If you enjoy solving complex problems, working ...

    Backend Developer (Java)

    Backend Software Engineer - Java at Capco Location: Glasgow (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in ...

    Java Backend Engineer

    Java – Backend EngineerWe’re looking for an experienced backend Engineer with Core Java 11 &17 for an exciting project with a global finance organisation. you’ll be delivering solutions using both your Java skill set, spring, and SQL in an Agile environment.The role will be working a number of workstreams, so ...

    Java Backend developer

    We are looking for an experienced Backend Developer with strong Java skills to build and maintain scalable, high-performance backend services and APIs for a large microservices-based trading platform. Key Responsibilities Develop and maintain backend services and API ...

    Java Backend Engineer

    Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, ...

    Java Backend Engineer

    We are seeking a talented Java Backend Engineer to join a dynamic GNST POD team supporting a major global financial services client. This role is focused on building high-performance, scalable software within a distributed enterprise environment. Location: Burgess Hill, UK (On‑site ...

    Backend Java Developer

    6-Month Initial Contract | £700–£900 per day Inside IR35 Senior Java Backend Engineer Hybrid | 2 Days per Month in London Our client is looking for experienced Senior Java Backend Engineers to join high-performing engineering squads working on modern, cloud-n ...

    Backend Java Engineer

    Java Engineer – Backend & Search Platform Location: London, UK PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK About the Role You’ll be working on a large‑scale backend platform that powers advanced search, data proc ...

    Backend Java Developer

    Experience with Java NIO components like Channels Buffers and Selectors is expected Expert knowledge of FIX protocol Market Connectivity and Low latency programming is a must Very strong in Java and Spring Boot based application development Experience with middle layer messaging ser ...

    Backend Developer (Java)

    Backend Software Engineer - Java at Capco Location: Edinburgh (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team and we’re looking for experienced Backend Engineers with strong Java skills and a passion for delivering innovative solutions in financial serv ...

    IFC Java Backend

    Join Barclays as an IFC – Java Back End Engineer and play a key role in shaping the future of our technology landscape. In this position, you will help design, develop, and improve software using a range of engineering methodologies, enabling us to deliver robust business, platform, and technology ...

    Java Backend Developer

    Role: Java Backend Developer Location: Belfast Work Mode: Permanent JOB DESCRIPTION Technical Skills Required Experience with Java NIO components like Channels Buffers and Selectors is expected Expert knowledge of FIX protocol Market Connectivity ...

    Backend Java Developer

    Overview This role focuses on building and maintaining backend microservices using modern Java (17+) and event-driven architectures powered by Kafka. The position involves working across distributed systems, REST APIs, CI/CD pipelines, and containerised cloud-native environments using tools like D ...

    Backend Java Engineer

    AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future‑ready workplaces. We help organisations adapt, grow, and thrive in an ever‑evolving world by building, shaping, and optimising diverse talent strategies. Our Contingent Workforce Solutions (CWS) is one ...

    Java Backend Lead

    Eeze is a Malta-based, technology-driven company that has been developing world-leading online gaming platforms and solutions since 1999. Underpinned by a history that directly interconnects with the rise of online gambling, the company has been a key pioneer within the international market. Over the years ...

    Java Backend Developer

    Responsibilities Design, develop, and maintain scalable microservices using Java and Spring Boot. Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks. Develop robust data distribution and streaming solutions for high-throughput systems. ...

    Backend Java Engineer

    Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

    Java Backend Developer

    Location: London Job Type: Contract Industry: Engineering Job reference: BBBH437302_1778850078 Posted: about 5 hours ago Senior Backend Java Engineer (SC)Location: Fully Remote Contract: 6 Months IR35 Status: Inside IR35We are currently seeking a Senior Backend ...

    Backend Java Developer

    BACK-END JAVA ENGINEER Location: Hybrid - Brighton, Burgess Hill (3 days/week)** MUST HAVE FULL RIGHT TO WORK IN THE UK - SPONSORSHIP IS NOT PROVIDED **OverviewThis role focuses on building and maintaining backend microservices using modern Java (17+) an ...

    Java backend developer

    The Applications Development Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applicatio ...

    Java Backend Developer

    Location: London Job Type: Contract Industry: Engineering Job reference: BBBH437302_1778850078 Posted: about 5 hours ago Senior Backend Java Engineer (SC)Location: Fully Remote Contract: 6 Months IR35 Status: Inside IR35We are currently seeking a Senior Backend ...

    Java backend developer

    The Applications Development Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applicatio ...

    Backend Java Engineer

    Java Engineer – Backend & Search PlatformLocation: London, UK**PLEASE NOTE SPONSORSHIP IS NOT PROVIDED FOR THIS ROLE - MUST HAVE FULL RIGHT TO WORK IN THE UK **About the RoleYou’ll be working on a large‑scale backend platform that powers advanced search, ...

    Backend Java Developer

    BACK-END JAVA ENGINEER Location: Hybrid - Brighton, Burgess Hill (3 days/week)** MUST HAVE FULL RIGHT TO WORK IN THE UK - SPONSORSHIP IS NOT PROVIDED **OverviewThis role focuses on building and maintaining backend microservices using modern Java (17+) an ...

    Java Developers x 2 SC Cleared

    Java Developer - Cloud Services + 12 month initial contract + Hybrid working out of Newcastle + SC Cleared role + 70 p/h - Inside IR35 Key Skills Java Developer Cloud Services RedHat/Kubernetes Role Overview T ...

    Java Developers x 2 SC Cleared

    Java Developer - Cloud Services + 12 month initial contract + Hybrid working out of Newcastle + SC Cleared role + £70 p/h - Inside IR35 Key Skills: + Java Developer + Cloud Services + RedHat/Kubernetes Role Overview </ ...

    Java Developers X 2 SC Cleared

    Java Developer - Cloud Services+ 12 month initial contract+ Hybrid working out of Newcastle+ SC Cleared role+ £70 p/h - Inside IR35Key Skills:+ Java Developer+ Cloud Services+ RedHat/KubernetesRole Overview -The Software Engineer will join our collaborative, forward-thi ...

    AI First BackEnd Developers and... err, cats.

    Back-End Developer – Responsibilities The Back-End Developer will work for a fast-paced startup in Central London. The Back-End Developer will enjoy hybrid working. The Back-End Developer will design and build robust server-side applications using .NET and C#. ...

    Java Developers (ACTIVE BPSS CLEARANCE ) Inside IR35

    Direct message the job poster from iO Associates - UK/EU Strategic IT Consultant: Uniting Skilful Minds with Cutting-edge Markets Java Developers ( ACTIVE BPSS CLEARANCE IS ESSENTIAL) - Inside IR35 - Mostly Remote (UK) A large organisa ...

    Senior Backend Java Engineer

    Senior Backend Java Engineer Rate: £500 - £575 a day pay inside Location: Remote, with expectations to attend onsite meetings when required (1-2 a month) Duration: 6 months+ We are looking for a hands‑on Senior Backend Java Engineer with recent experience building, t ...

    Java Backend Developer (Banking)

    About the Role We are hiring a Java Backend Developer to join a leading banking client in the UK. The role involves building and modernizing scalable backend systems, working on microservices architecture, and contributing to high-performance, secure financial applications. <h3 ...

    Java Backend Microservices Engineer

    Direct message the job poster from Insight International (UK) Ltd 1. Experience in IT security, system administration, or a similar role with a focus on security patch management and system upgrades 2. Demonstrated experience in scripting and automation (e.g., PowerShell, Python) to ...

    Java & Kotlin Backend Engineer

    A leading software development company in the UK is looking for a Java with Kotlin Developer to design and maintain backend services. In this role, you will develop high-quality code using modern frameworks, collaborate with product owners and engineers, as well as mentor junior colleagues. Ideal candidates will ...

    Software Engineer, Java Backend

    About the job Software Engineer, Java Backend Job Description: Location: On-site, Hybrid. Start date: As soon as possible. Languages: Fluent in English. Join the Mineo Team Were Hiring! At Mineo, we are creating the future of recruitment with an innovative ...

    Senior Backend Engineer Java

    Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud‑native applications using Java, ...

    Senior Backend Developer (Java)

    Location: Edinburgh (Hybrid) | Practice Area : Technology & Engineering | Type: Permanent Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology ...

    Senior Backend Engineer Java

    Power the platforms behind modern finance. Shape cloud-native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud-native applications using ...

    Senior Backend Engineer Java

    Power the platforms behind modern finance. Shape cloud‑native solutions with Java at their core. The Role We’re seeking a Senior Backend Engineer (Java) to join our Technology & Engineering team. You’ll bring expertise in building robust, scalable, cloud‑native applications using ...

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      Experienced Backend Java Developers Jobs in United Kingdom Job Search Guide, Trends and Insights