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    Backend Engineer – Java/Spring Boot & Python (Hybrid London)

    Methods Business and Digital Technology Ltd is seeking a Back-end Developer specializing in Java Spring Boot and Python to join their private sector team in London. This hybrid role requires 3 days on-site each week. The successful candidate will lead the rebuild of core architecture, optimize technical connecto ...

    Android Engineer: Kotlin/Java with MVVM + TDD Expertise

    This is a job posted by a partner. Requirements I am looking for candidates with extensive experience in native Android development using Kotlin and Java. A strong grasp of MVVM, MVP, and modern Android architecture patterns is essential. You should have a deep understanding of TDD, ...

    Senior Java Engineer Real Time Football Backend (Hybrid)

    A leading sports technology company based in the UK is looking for a Senior Java Engineer to join their Football Squad. This role involves designing and developing scalable backend systems that power high-impact projects for FIFA and UEFA. The ideal candidate should have strong Java and Spring Boot experience, a ...

    Low Latency Java Engineer – Front Office Fixed Income

    Deutsche Bank is seeking a talented developer to join its Quantitative Fixed Income Engineering team in Greater London. This role focuses on developing low-latency applications and requires strong Java skills, as well as expertise in high performance and/or low latency development. You will collaborate closely w ...

    Senior Backend Engineer (Java/Kotlin) – Hybrid, Supply Chain

    hackajob is searching for a Senior Backend Engineer in the United Kingdom to lead the design and delivery of scalable backend systems for the supply chain domain. This role requires strong expertise in Java, Kotlin, and cloud services like AWS. The successful candidate will collaborate with teams across the comp ...

    Java AI Security Engineer — Real Time Threat Apps

    Eligo Recruitment Ltd is seeking an experienced Java Software Engineer in Crawley, UK. In this role, you'll develop IT Security Applications aimed at protecting Microsoft Architectures and integrating with Defender and Sentinel for real-time threat analysis. The ideal candidate should have experience with Java a ...

    Hybrid Java Kafka API Engineer (Spring Boot / AWS)

    Client Server is seeking a Software Engineer (Java Kafka API) in London to work on transformative projects within the financial services sector. This hybrid role offers a salary between £75k and £90k, alongside benefits like private medical care and gym memberships. The ideal candidate will have strong expertise ...

    Senior Backend Engineer (Java/Kotlin) – Hybrid, Supply Chain

    hackajob is searching for a Senior Backend Engineer in the United Kingdom to lead the design and delivery of scalable backend systems for the supply chain domain. This role requires strong expertise in Java, Kotlin, and cloud services like AWS. The successful candidate will collaborate with teams across the comp ...

    Java Backend Engineer: Cloud and AI for Trading

    LGBT Great is looking for a motivated Java Back-End Developer to join the Short-Term Desk Technology team in Greater London. The role focuses on building and modernizing trading and cash management systems while collaborating closely with front office stakeholders. Applicants should have 3-5 years of experience ...

    Senior Java Runtime Engineer Secure, High Performance VM

    A leading technology company in Greater London is seeking a skilled individual to join their Java runtime team, focusing on enhancing both security and stability. In this role, you will engage in system programming, utilizing your expertise in languages and compilers. The ideal candidate has extensive experience ...

    Backend Engineer (Java/Python) for Critical Systems — London

    ALTEN LTD - UK is hiring a Backend Software Engineer in London responsible for developing high-reliability software platforms. You'll focus on creating core operational software, working with data flows, and improving automation efficiency. Candidates should have strong Java and Python skills, a degree in Engine ...

    Lead FX Pricing Engineer — Low Latency Java Leader

    Citigroup Inc. in Greater London is seeking a hands-on Java engineer to lead a high-quality team and drive technical implementation in FX Technology. The ideal candidate will utilize ultra-low-latency development practices and collaborate with trading and quant teams. With strong systems knowledge, exceptional c ...

    Senior Java Backend Engineer Remote 6 Month Contract

    Binance, a leading blockchain ecosystem, is seeking a Software Backend Engineer to enhance Kazakhstan services. This remote position requires at least 7 years of experience in software development, with strong skills in Java and backend frameworks. Responsibilities include designing and maintaining backend syste ...

    Lead Java Full Stack Engineer – Hybrid, AI & Microservices

    Bruin is seeking a Senior / Lead Full Stack Engineer (Java) in Manchester (Hybrid) to join their global financial services organization. This hands-on leadership position focuses on delivering complex systems and mentoring engineering teams. Key responsibilities include designing scalable microservices, driving ...

    Senior Software Engineer, Cloud Web Apps (Java/JS)

    Elsevier in Greater London is seeking a Software Engineer III to contribute to the development of ScienceDirect's cloud-hosted web applications. This role entails designing, developing, and deploying applications while collaborating with product teams. Candidates should be proficient in Java, Spring, and JavaScr ...

    Senior Java Engineer Fixed Income Trade Processing Hybrid

    Citi seeks a Senior Software Engineer (Java) in Belfast to design and develop complex systems in a high-volume trade processing environment. The role requires a strong foundation in Java, experience with microservices architecture, and proficiency in Spring Framework. A Bachelor's degree is necessary. Benefits i ...

    Java Cloud Engineer for AI Driven Research Tools

    RELX INC is seeking a Java Software Engineer in Greater London to create products that enhance the sharing of scientific knowledge. In this role, you will design, develop, and deploy applications in a cloud ecosystem, collaborating with dynamic teams to meet business requirements in an Agile setting. Ideal candi ...

    Consultant Junior Java Engineer DE TC UKI Belfast

    Junior Java Engineer - Technology Consulting – Belfast We’re looking for a Java Engineer to join our Digital Engineering team in Belfast. Your work will involve designing and delivering high‑quality backend solutions that support our clients in areas such as sustainable energy, digital services, ...

    Product Engineer Java Spring Boot & Full Stack (Hybrid)

    A leading insurance firm in Northern Ireland seeks experienced Product Engineers with expertise in Java Spring Boot and Full Stack development. The role involves designing and building scalable digital products to protect families and their belongings. Candidates should have over 3 years of experience with moder ...

    Junior Java Full Stack Engineer — Growth & Hybrid Work

    Capgemini in Glasgow seeks a Junior Full Stack Engineer to contribute to digital transformation projects. This entry-level role is for candidates with a degree in Computer Science or a related field and some experience in building Java applications. You'll work in multi-disciplinary teams, focusing on creating v ...

    SC Cleared Senior Java Engineer & Tech Lead (Spring)

    Forwardrole is seeking an SC cleared Senior Software Engineer with strong Java and Spring experience to lead development in a major public sector programme. The successful candidate will provide technical leadership, work collaboratively with teams, and ensure high standards of code quality. Essential skills inc ...

    Lead Software Engineer — Cloud Native Java/Spring & React

    A leading financial services firm in Glasgow seeks a Lead Software Engineer to develop strategic technology products. This role involves leading an agile team to create secure and scalable software solutions, driving innovation, and fostering a culture of diversity and inclusion. Ideal candidates will have advan ...

    Senior Java Engineer Low Latency Fixed Income Algo

    Citi in Greater London seeks an experienced software engineer to develop a cutting-edge algo trading platform. The role focuses on Java and low-latency applications, involving close collaboration with business and trading teams. This position offers a hybrid working model, competitive salary, and extensive benef ...

    Lead Java Full Stack Engineer: MarTech & Data Platforms

    McGregor Boyall is seeking a Lead Full Stack Engineer in Manchester to oversee the development of data-driven digital platforms. This role involves leading the design and delivery of applications using Java, Angular, and AWS while remaining hands-on and guiding technical standards. Candidates should have strong ...

    Junior Java Full Stack Engineer for Digital Transformation

    Capgemini is seeking a Junior Java Full Stack-Associate Consultant in London to drive digital transformation projects. The candidate will write clean code and collaborate in multi-disciplinary teams, translating client visions into innovative solutions using technologies such as Java, JavaScript, and Spring Boot ...

    Consultant Junior Java Engineer DE TC UKI Belfast

    Junior Java Engineer – Technology Consulting – Belfast Location: Belfast | Other locations: Primary Location Only | Date: 28 Apr 2026 | Requisition ID: About the role In Digital Engineering we shape, concept and build innovative solutions that address the most important issues ...

    Senior Java Engineer (AWS, REST, SOAP) Hybrid Sussex

    This job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Senior Java Engineer (AWS, REST, SOAP) - Hybrid - Sussex Daily rate: £500 - £700 (inside IR35) Duration: 6 months Hybrid: 2 days per week (Tues + Wed) Start: ASAP My n ...

    Senior Java Cloud Engineer AI Driven, Flexible Hybrid

    A global leader in analytics is looking for a Senior Java Software Engineer II in Oxford to design and develop cloud-hosted applications supporting scientific researchers. The role requires proficiency in Java, Spring, and cloud environments. You will collaborate with stakeholders to enhance innovation while enj ...

    Full Stack Software Engineer — React/Java, UK Travel

    A leading global professional services company in Scotland is seeking a Software Engineer (Full Stack) to join its team. The role involves working with cutting-edge technologies, leading client accounts, ensuring quality delivery, and collaborating with teams. Key qualifications include full-stack engineering ex ...

    Backend Engineer (Java/Kotlin) Microservices & Agile CI/CD

    A software development company in the UK is seeking a proactive developer skilled in Kotlin (or Java) to collaborate with cross-functional teams. Responsibilities include designing and implementing back-end features, building APIs, and working in an agile CI/CD environment. The ideal candidate should have signif ...

    Senior Java Back End Engineer AWS (Remote UK)

    A health tech company is looking for a senior software developer to enhance an AWS-based platform for sharing medical diagnostics. You will need a degree in Computer Science and strong skills in Java, as well as knowledge of AWS. The role emphasizes collaboration with stakeholders to define software requirements ...

    Senior Java/Kotlin Engineer (Contract) – London On site

    A tech company dedicated to digital delivery is recruiting a Contract Senior Java / Kotlin Engineer to work on-site in Spitalfields, London. The role involves mentoring, designing systems, and collaborating with cross-functional teams to develop JVM applications. Candidates should have over 5 years of experience ...

    Senior Java Platform Engineer | Spring Boot, K8s, Cloud

    NextWave Consulting Ltd is seeking a Senior Software Engineer in the UK with hybrid work options. The successful candidate will lead the development of a scalable Data Fabric platform, focusing on Java and Spring Boot microservices while mentoring team members. Required skills include hands-on experience in CI/C ...

    Senior Java Payments Engineer (IPF) | AWS & ISO 20022

    Randstad Technologies Recruitment is seeking an experienced Java Engineer for a 6-month contract in London, requiring 2 days in the office. The ideal candidate will have 5+ years' experience in Java and Spring Boot, extensive knowledge of payments, specifically the ICON Payments Framework, and a proven track rec ...

    Senior AI Java Engineer for FinTech (Hybrid London)

    Tiro Partners is seeking a Senior Software Engineer in London for a 6-month contract focusing on Java and AI. This role involves modernizing legacy services and developing applications using cutting-edge AI technologies. Ideal candidates will have over 6 years of software development experience, strong Java skil ...

    Hybrid Product Engineer: Java Spring Boot & Full Stack

    A leading digital protection company seeks a Product Engineer skilled in Java Spring Boot and Full Stack development to join their Belfast team. In this role, you'll design and build high-quality digital products while collaborating closely with product managers. The ideal candidate has over 3 years of experienc ...

    Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

    For additional information, please review .**Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP**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+ countr ...

    Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP

    Senior Java Engineer (Equinox) – Equity Derivatives Tech – VP 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 c ...

    Java Engineer: Secure Cloud Innovator for Public Sector

    IBM is looking for a Java Engineer in Cheltenham, UK, to support public sector projects. This role involves designing, developing, and maintaining software systems that impact critical national services. Candidates should have foundational Java knowledge, a commitment to learning, and a collaborative spirit. The ...

    Staff Backend Engineer (C++/Java/Go/Python/Typescript)

    Fastest Growing Start-up in the UK | Defence We are partnered with one of the UK's fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology. The company's founding team has a real pedigree, with backgrounds from the UK Special For ...

    Senior Java Backend Engineer Remote AWS & Spring Boot

    A technology company in Greater London is seeking a Senior Java Backend Developer to work on complex projects involving AWS infrastructure. The candidate will create and maintain backend systems using Springboot Java 21, develop APIs, and collaborate with cross-functional teams to integrate backend components. E ...

    Senior Java Backend Engineer for Scalable Game Tools

    A leading game development studio in Dundee is seeking a passionate Software Engineer to work on creative projects. This full-time, in-office role involves designing solutions for game development, contributing to software guidelines, and collaborating across global teams. Ideal candidates will have over 5 years ...

    Remote Java Backend Engineer — Microservices & Azure (6 mo)

    A HealthTech company is seeking a talented Contract Java Software Engineer for a fully remote, 6-month contract. You will enhance backend services, focusing on Java microservices and API integrations. Strong experience in Java, Azure, SQL, and effective communication skills are required. This role is perfect for ...

    Contract Java Software Engineer Outside IR35 Fully Remote

    Contract Java Software Engineer Outside IR35 Fully Remote . Location: Manchester, Fully RemoteCategory: Contract JobsSalary: 500-550pd + Remote Working, Outside IR35Ref: JT/JC/6023 Contract Software Engineer (Java / Microservices / Azure / SQL) ...

    Remote Senior Java & Spring Boot Engineer | Public Sector

    A technology consultancy in the UK is seeking a skilled individual to contribute to a modern outbound notification platform for a public sector organization. The role involves building and supporting Java/Spring Boot microservices, enhancing monitoring for platform reliability, and contributing to migration acti ...

    Remote Java Engineer — Warehouse Automation (9‑Month Contract)

    A leading recruitment firm is seeking a Senior Software Engineer for a 9-month contract. This role involves remote work with a focus on JAVA development for automated distributions across the UK. Candidates should have at least 5 years of experience in JAVA and extensive software development skills. Join a reput ...

    Senior Java/Kotlin Engineer – Low Latency Finance Platform

    A leading financial services technology vendor in London seeks a Senior Java Developer. The role focuses on rebuilding flagship platforms using cutting-edge technology. Candidates must have over 7 years' experience in JVM, with strong proficiency in Kotlin and Java, along with experience in multi-threading and l ...

    Senior Java Engineer: Scalable Quote API (Hybrid/Remote)

    A leading retail company is seeking an experienced backend developer proficient in Java to enhance their pricing service. You will design and implement robust systems for their internet-facing API, collaborating closely with product stakeholders. Ideal candidates should have a strong understanding of cloud platf ...

    Core Java Engineer – Low Latency, Hybrid in London

    Understanding Recruitment is seeking a Core Java Software Engineer to join a leading investment management firm's spinout in Central London. The role offers hybrid working, with three days from home and a salary of up to £120,000 plus bonus. Candidates should have substantial experience in Core Java, including s ...

    Senior Full Stack Engineer (Java/Python) React & Cloud

    Develop is looking for a Senior Full Stack Engineer based in London to join their team in building scalable systems. This role focuses on Java and Python for backend services and requires strong React skills for frontend development. Candidates must have recent experience in these technologies and be comfortable ...

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