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    Lead Backend Engineer – Trading Platform, Low Latency Java

    About Bullish Bullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high‑ ...

    Backend Java Engineer — Public Sector Impact, Flexible Work

    IBM is looking for a Java Developer in the East Midlands to design and maintain backend applications using Java/JEE. Ideal candidates will have skills in Java frameworks like Spring, understand DevOps practices, and possess strong communication abilities. This role includes responsibilities such as troubleshooti ...

    Senior Java Backend Engineer — Spring Boot, REST & Kafka

    Rockstar Games in Leeds is seeking an experienced Java backend developer to design and implement solutions for fast-paced game development. The ideal candidate will have over 5 years of professional experience in Java and strong expertise in Spring Boot and JPA/Hibernate. Responsibilities include collaborating w ...

    Senior Backend Java Engineer Finance Tech, Hybrid Role

    Citigroup Inc. in Belfast is seeking Experienced Backend Java Developers for positions ranging from Assistant Vice President to Senior Vice President. The role focuses on contributing to application systems development and programming activities. Join a business casual workplace with a hybrid model, co ...

    Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    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 ...

    Senior C++/Java Engineer — Own Core Platform Components

    LSEG in Greater London is seeking a Senior Associate responsible for delivering high-quality software solutions using C++ and Java. Candidates should possess over 8 years of experience, strong software engineering skills, and a solid understanding of system integration. The role offers tailored benefit ...

    Full Stack Engineer (.NET/Java) Cloud & API Innovator

    SKY is seeking a cloud services developer to join their Content Technology and Innovation team in Greater London. In this role, you will collaborate on building and enhancing Cloud-based applications while supporting production services. The ideal candidate should have extensive knowledge in .NET (C#) and Jav ...

    Full Stack Engineer (Python and/or Java) – 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 can match. From deploying advanced AI to helping shape global markets, we ...

    Low Latency Java & Kafka Engineer — Real Time Payments

    J.P. MORGAN is seeking motivated Java engineers to join its Global Liquidity and Cash Management Technology team in Bournemouth. Successful candidates will develop innovative technology for the Corporate & Investment Bank's Payments business, managing client liquidity in real-time. Responsibilities include desig ...

    Senior Java/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    Full Stack Engineer (Python and/or Java) – VP

    Department Overview Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, ...

    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 ...

    Lead/ Staff Backend Java Engineer in London Mindera

    Lead / Staff Backend Java Engineer London, United Kingdom Posted 11 months ago Tech stack Backend Java We’re looking for a Staff Java Engineer to join our growing company. You’ll play a key technical leadership role, working closely with architects, ...

    Java Lead eSoftware Engineer Equities Algo Trading VP

    Java Lead eSoftware Engineer - Equities Algo Trading - VP LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Corporate Sector Posting Date 05/12/2026, 10:42 AM Location ...

    Hybrid London: Senior Java Engineer, Low Latency Trading

    A leading financial technology firm in London is seeking Senior and Principal Java Developers to work on high-performance trading systems. Ideal candidates will possess strong Java skills and experience in low-latency applications. This hybrid role allows for both remote work and on-site collaboration in Canary ...

    Low Latency Java Engineer FIX Connectivity (Hybrid, Bonus)

    A global technology-driven financial services organisation is seeking an experienced Java Engineer in Belfast. This hands-on role focuses on designing and enhancing low-latency connectivity services for clients and internal systems. Candidates should have strong Java experience, exposure to electronic trading en ...

    Full Stack Engineer (Python and/or Java) – VP

    Full Stack Engineer (Python and/or Java) – VP page is loaded## Full Stack Engineer (Python and/or Java) – VPApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: Engineer the future of global finance. At Citi, our Tech team doesn’t just ...

    Senior Backend Engineer – Java, Spring Boot, Docker, Kubernetes

    Zaizi is seeking a Senior Software Developer in Greater London. The ideal candidate will have extensive experience in Java and Agile methodologies, leading teams, and developing digital solutions. A focus on continuous improvement and user experience is vital. Join a supportive work culture where innov ...

    Senior Java Test Engineer – Cloud Automation & API QA

    Korn Ferry is seeking a Senior Software Developer in Test specializing in Java and Cloud Automation for a project in London. This role requires expertise in designing scalable test solutions through automation practices, ensuring the quality of complex data pipelines, and fostering TDD/BDD methodologies. ...

    FX Risk Java VP Engineer – High Performance, Hybrid

    A leading global bank in Greater London is seeking an experienced FX Risk Java Developer. The role involves writing high-performance Java applications, managing risk calculations, and implementing efficient data structures. Candidates should have strong knowledge of Core Java, multithreading, SQL/No SQL database ...

    Senior Java & AI Engineer for Scalable Index Platform

    LSEG is searching for a Lead Java Developer to contribute to the FTSE Russell Index Platform. Ideal candidates will have over 12 years of hands-on backend engineering experience, including Java and Python proficiency, and capability in building AI-powered features. The position demands collaboration with global ...

    Latency Focused Java Engineer for Real Time Payments

    Fairygodboss is seeking motivated Java engineers to join JPMorgan's Global Liquidity and Cash Management Technology team in the UK. This role focuses on enhancing the technology organization with modern solutions for the Corporate & Investment Bank. Key responsibilities include creating high-performanc ...

    Senior Cloud Platform Engineer: Java, Hadoop, Spark, IaC

    Agile Labs specialises in custom software, mobile, and web application development for startups and enterprises. Untangle complex problems with our painless development approach. Skills Management skills In-depth knowledge of Hadoop, Spark, and similar frameworks In-d ...

    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 ...

    Java Big Data Engineer – Real Time Trade Data

    Barclays is looking for a Java Developer for their Big Data Project in Glasgow, United Kingdom. This is an Associate Vice President level position within the Post Trade Markets Data team. The successful candidate will manage a large trade data repository and aggregate real-time trade data from various sources ...

    Staff Backend Engineer (C++/Java/Go/Rust/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/Kotlin Engineer — AI Driven, Hybrid Role

    An innovative AI consulting partner in the UK seeks a skilled developer to join their agile team. The role involves developing RESTful Java APIs, collaborating with interdisciplinary teams, and advocating for best practices in software engineering. Ideal candidates will possess strong API development skills in J ...

    Lead Java Engineer — Backend Architect for Risk Intelligence

    London Stock Exchange Group is seeking a Lead Java Engineer to join our Nottingham-based engineering team. In this hands-on role, you will design and develop high-performance Java services while applying Domain-Driven Design principles. You will collaborate closely with product managers and architects, ensuring ...

    Principal Java Engineer — Agile, CI/CD, Hybrid UK

    A leading software house in Manchester is seeking a Principal Java Developer to join their dynamic team. The role focuses on developing high-quality software and enhancing best practices within Agile methodologies. Candidates should have strong Java skills and be passionate about mentoring others. This position ...

    Lead Java Engineer Real Time Market Data Architect

    Man Group is seeking a lead for its Real-time Market Data team in London. The role involves architecting a multi-petabyte scale estate focused on processing real-time market data, supporting systematic trading strategies. The ideal candidate should have 8+ years of experience, strong knowledge in relev ...

    Senior Java L3 Production Support Engineer Onsite London

    N Consulting Limited is seeking a JAVA L3 Support professional to work onsite in London, UK. This role requires hands-on programming experience with Java 8 and strong SQL skills. The initial contract duration is over 6 months with the potential for flexible working days after establishing trust with the clien ...

    Senior Java Engineer Scalable Pricing API (Azure/K8s)

    Tesco UK is seeking experienced engineers to join the team behind Price Service, a critical HTTP API for pricing and promotions. You will work with technologies like Java, Azure, and Kubernetes to ensure high availability and optimize performance. The role involves designing scalable systems and mentor ...

    VP Full Stack Engineer (Python/Java) Hybrid & Growth

    Citigroup Inc. is seeking a Vice President level developer for their Strategic Equity Solutions team in Greater London. This role focuses on creating innovative trader workflow tooling within an agile team environment. The successful candidate will take ownership of the entire software development life ...

    Remote Java Engineer – FIX APIs for Trading Platform

    IG KnowHow is seeking a Java Engineer to join the IG Prime division. You will develop and maintain high-performance FIX APIs to facilitate institutional trading while ensuring reliability and resilience. The ideal candidate will have around 5 years of Java development experience, strong skills in async ...

    Senior Java Engineer – Cloud Native Post Trade (Hybrid)

    Harrington Starr is seeking a Senior Java Developer to contribute to a cloud-native post-trade platform. This engineering role involves designing and delivering scalable backend systems, working closely with Product and Client Services teams. The ideal candidate will have a strong Java background, expe ...

    Mobile & Web Engineer (Mid Level) | Java or Python

    A forward-thinking digital media company is looking for a talented Mid-Level Developer to join their dynamic team. Ideal candidates will have over 3 years of experience in Web and Mobile Development, with good knowledge of Java or Python, as well as experience in Android or iOS. Offering a competitive salary of ...

    Senior Platform Lead Engineer: Java/SpringBoot on GCP

    LinuxRecruit is seeking a Lead Developer in Greater London to spearhead the development of applications and APIs using Java within a SpringBoot framework on a GCP Platform. This role emphasizes leadership and mentoring junior developers, enabling personal and team growth in a dynamic and socially responsible env ...

    Full Stack Java Engineer — Onsite in Glasgow (FTC)

    A leading tech consultancy in Glasgow is urgently seeking a Full Stack Developer. The role requires strong experience in Java and Spring Boot, along with proficiency in Docker and Kubernetes. Candidates should hold a Bachelor's degree in a related field and possess excellent problem-solving and communication ski ...

    Junior Java Full Stack Engineer Training, Cloud & Growth

    Capgemini Invent is looking for a Junior Full Stack Engineer to join their Digital Excellence team in London. The candidate will be responsible for developing clean code, troubleshooting system issues, and collaborating with teams and clients. A degree in Computer Science and experience with Java applications ar ...

    Senior Java Payments Engineer — Build Secure, Scalable Systems

    A global financial services firm in London is seeking a Software Engineer III to join an agile team in delivering secure and innovative technology solutions. The role involves executing software solutions, developing high-quality production code, and contributing to projects across multiple technical areas. Idea ...

    DV Cleared Java Full Stack Engineer Cloud & Microservices

    A global technology and transformation partner in London is seeking a DV Cleared Java Full Stack Engineer. In this mid-senior level role, you will drive business outcomes by creating digital solutions and working with diverse technology stacks. You must have substantial experience with Java (Spring Boot) and be ...

    Contract Java Engineer Belfast Hybrid (Inside IR35, £550PD)

    Contract Java Engineer Belfast Hybrid £550/day Inside IR35 Were hiring 2x Java Consultant Contractors to join a high-performing engineering team delivering large-scale cloud and data-driven solutions in Belfast. This is a fast-paced environment where ...

    Java Lead eSoftware Engineer Equities Algo Trading VP

    We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible.As a Lead Software Engineer at JPMorgan Chase within the Equities Trading Technology Organization, you are an integral part of an agile team that works to enhance, build, and deliver t ...

    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 & Full Stack Engineer (JSF + Microservices)

    Experis is seeking a Senior Java Developer in Glasgow to support the delivery of scalable software solutions in a collaborative environment. This role demands strong back-end Java development skills with contributions across the full stack, particularly in JSF UI development. The successful candidate w ...

    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 ...

    Senior Java Backend Engineer Hybrid, 6 Month Contract

    A tech recruitment firm in the UK is seeking an experienced Java Developer for a hybrid position, requiring one day per month in the London office. The role is an initial 6-month contract focused on developing and enhancing scalable backend systems. Candidates should have strong experience in Java, solid underst ...

    Remote First Java Engineer Senior/Principal, Craft & Scale

    A technology company in the UK is seeking Java Software Engineers at Developer, Senior, and Principal levels to join cross-functional Scrum teams. The role emphasizes clean code, TDD, and collaboration within a remote-first environment. Successful candidates will work on complex software systems and enjoy signif ...

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