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    • 132,323+ Java Developer Java Developer Lead Jobs in London, UK — Local Employers Hiring July 2026

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    Contract Software Developer: Java, SQL & JS

    Work Day Extend London, United Kingdom Posted 12 months ago Tech stack JSON Java SQL Git JavaScript General skills Java would also be good Javascript SQL J ...

    Low Latency eFX Java Algo Developer

    A global consulting group seeks an eFX Java Developer in London. The role involves designing and maintaining low-latency Java applications for electronic FX trading systems. Candidates should have strong experience in Core Java, multithreading, and FX trading environments. Responsibilities include optimizing per ...

    Senior Java Developer in London LinuxRecruit

    Senior Java Developer London, United Kingdom Posted 11 months ago Tech stack FinTech Backend Java Flex your Java muscles as the team's SME I am currently looking for a SME Java Developer to join an up-and-coming ...

    Remote Java Developer with SC Clearance

    Sivara GmbH is looking for a Java Developer to join their consultancy team for a high‑profile project in a secure environment. The role requires strong skills in Java 11+, Oracle WebLogic, PL/SQL, and ElasticSearch, along with Active SC Clearance for security compliance. This 12-month remote contract o ...

    Hybrid Java Developer: Banking Microservices & Cloud

    Evantis Consulting is seeking an experienced Java Developer to join a leading financial services organization. In this role, you will design and maintain Java applications within a complex banking environment, collaborating with cross-functional teams to deliver robust solutions. The ideal candidate ha ...

    Hybrid Full Stack Java Developer — Contract

    Broadridge Financial Solutions is seeking a Full Stack Java Developer to join their team in London on a fixed-term contract until June 30, 2027. You will focus on developing and maintaining back-end and front-end components, as well as RESTful APIs for the International Processing Engine application. Ideal ca ...

    Java Developer in London client server

    Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design Patterns, Data Structures, a ...

    Senior Java Engineer – Developer Tools & Strategy

    Citigroup Inc. is seeking a motivated engineer to join the Technology Application Strategy team in Greater London. This role is key in developing tooling solutions for Citi's global developer community using Java and SpringBoot technologies. Successful candidates will enjoy a hybrid working model, comp ...

    Java Platform Developer – Secure, Automated Solutions

    DXC Technology is seeking a Java Platform Developer to work on-site in Gloucester or Central London. The role involves designing and implementing software solutions, collaborating with project teams, and ensuring security compliance. Essential skills include Java, C#, and C++ development, along with experience i ...

    Java Developer, Short Term Trading Technology

    We are a leading global asset management firm with over 3,000 employees across 20 offices in 15 countries; we help millions of investors around the world pursue their financial goals.We hire critical thinkers. People who thrive in a collaborative culture like ours where we solve real problems while bui ...

    Java Developer Kafka API Tech Consultancy

    Java Developer / Backend Software Engineer (Kafka API) London / WFH to ...

    Java Developer – Algo Development Technology (Equities).

    Java Developer – Algo Development Technology (Equities)Java Developer – Algo Development TechnologyAbout MillenniumMillennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for o ...

    Java Developer with SQL Central London

    Job Description Java Developer with SQL Server – Central LondonOur Client is looking to recruit a seasoned professional with 5 plus years experience in developing with Java as a backend Developer with SQL Server.You will have a good understanding of Data Structures a ...

    Senior Full Stack Developer (Java & Angular)

    DescriptionRole Overview We are seeking a skilled and driven Full Stack Engineer with strong expertise in Java (Spring Boot) and Angular (17+). In this role, you will contribute to the design, development, deployment, and maintenance of scalable, cloud-native applications. This is a key p ...

    Senior Java Developer eDV Clearance Required

    **Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

    Java Developer Kafka API Tech Consultancy

    Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90kAre you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career?You could be joining a global technology consultancy.What's in ...

    Java Lead Developer – GUI Apps for Energy (London)

    Clarehill Associates Ltd is searching for a Java Lead Programmer in London who will develop innovative products for the energy sector. The position involves creating efficient code, enhancing graphical interfaces, and ensuring technical excellence. A strong background in Java programming and a degree i ...

    Lead Java Developer: Real Time Risk, AWS, Microservices

    Citi is seeking a Lead Java Developer to manage application systems and drive software development in London. You will lead enhancements in Risk for the Credit Business while collaborating with global teams. The ideal candidate has strong expertise in Core Java, J2EE, and a background in Capital Market ...

    Lead Security Engineer Full Stack Developer React / Java

    Lead Security Engineer - Full Stack Developer - React / Java LONDON, United Kingdom Job Information Job Identification Job Category Security Engineering Business Unit Corporate Sector Posting Date 03/07/2025, 03:18 PM Locations LONDON, Uni ...

    Senior Java Developer: Lead & Scale High Performance Apps

    Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in ...

    Senior Java Developer: Lead & Scale High Performance Apps

    Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in ...

    Java Developer SC Cleared, Java v17+, AWS, Angular in London Hays

    Key Skills Required: Java Developer with Active SC Clearance Java v17+ AWS Angular Additional Skills: Knowledge of Kubernetes and Docker Experience in Microservices Architecture Familiarity with: Apac ...

    Java Backend Developer London, UK (Fully REMOTE)

    Role: Java Backend Developer with Data PlatformType: 6 Months ContractLocation: London, UK (Fully REMOTE)Working Model: Fully REMOTEPayrate: £450 - £550 per Day on PAYE£530 - £630 per Day on RUPAYE£650 - £750 per Day on Inside IR35 via UmbrellaThe Role: Join our Data Infra ...

    Back end Developer (Java &Spring Boot/Python)

    Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.Requireme ...

    Senior Java Developer (Exchange/Trading Platform), London

    The exchange team develops and maintain a cutting-edge trading platform. With a global presence across APAC, EMEA and North America, the team has since grown with the goal to provide a seamless and secure trading experience for our clients.ResponsibilitiesResponsible for the full-stack d ...

    Java Full Stack Developer | Microservices. Kafka | London

    Job DescriptionToday, the corporate landscape is dynamic and the world ahead is full of possibilities! None of the amazing things we do at Infosys would be possible without an equally amazing culture, the environment where ideas can flourish and where you are empowered to move forward as far ...

    Back end Developer (Java &Spring Boot/Python)

    Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.</st ...

    Full Stack Java Developer (Fixed Term Contract)

    At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the Broadridge team.We are seeking a Full Stack Java Developer to join our team. In this role, you will d ...

    Java Developer – Systematic Hedge Fund (London / Hybrid)

    Overview Java Developer – Systematic Hedge Fund (London / Hybrid). Responsibilities Design and write software for Trading Systems, Middle & Back Office, and Corporate Functions. Develop primarily in Java, with exposure to Python and MATLAB. Collaborate in a h ...

    Low Latency Java Web Developer for Trading

    ```htmlJob Opportunity: Java Developer Quant Capital is urgently looking for a Java developer to join our high profile client. Client Profile Our client is a well-known financial connectivity provider for the front office. They specialize in creating low-latency, high-volume transact ...

    Java Full Stack Developer | Frontend & Backend Engineer

    Java Script Works, located in Greater London, is looking for a skilled Java Full Stack Developer. The ideal candidate should be proficient in Java for back-end development and experienced in front-end technologies like HTML, CSS, and JavaScript, alongside frameworks such as React or Angular. Responsibilities inc ...

    Java Developer — Struts Master with Jakarta Migration

    Net2Source (N2S) is seeking an experienced Java Developer with expertise in Apache Struts to join their team in Greater London. The role involves hands-on development for enterprise applications, particularly focusing on Java 11/17 and migrations to Jakarta EE. Candidates should have a strong background in Hiber ...

    Senior Java Developer: Real Time Risk & Cloud

    Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. <b ...

    Hybrid Java UI Developer Spring Boot + React

    Falcon Smart IT Limited is looking for a Java UI Developer based in London. This role is focused on developing scalable microservices and modern applications using Java Spring Boot and React JS. You will collaborate across teams and leverage AI-assisted tools to enhance productivity. This is a contract ...

    Greenfield Front Office Java Developer – Hybrid London

    Hunter Bond is seeking a Front Office Java Developer to join an elite investment institution in London. You will build high-performance pricing and analytics tools, collaborating directly with traders and quants in a greenfield role. The position offers a competitive compensation package of up to £130k ...

    Senior Java eTrading Developer Low Latency FX

    A leading consulting and solutions provider is seeking a skilled Senior eTrading Developer in London. This contract role involves developing low-latency components within an electronic trading platform. Responsibilities include working with stakeholders to design and implement systems, coding in Java, and suppor ...

    Java Developer Hybrid, Core Hours, Great Benefits

    Pharmacy2U Ltd is seeking a Java Developer to contribute to the development of new medical services. This role encompasses hands-on development, working within a microservices architecture, and maintaining existing healthcare services. Candidates should have experience with Java, Spring Boot, and cloud environme ...

    Full Stack Java Developer (Fixed Term Contract)

    At the company, we've built a culture where the highest goal is to empower others to accomplish more. If you’re passionate about developing your career, while helping others along the way, come join the the company team. We are seeking a Full Stack Java Developer to join our team. In this role, you ...

    Hybrid Rapid Application Developer (Java) for Trading

    Dormont Manufacturing Co is looking for a Rapid Application Developer in London. This role focuses on quick application development with direct impacts on trading desks at a leading corporate bank. Ideal candidates should possess strong Java and JavaScript skills, with a proactive mindset. The position ...

    Remote Senior Java Developer for Mainframe Modernization

    International Business Solutions Consult is seeking a Senior Java Developer for a permanent remote position in the Greater London area. Candidates should have over 5 years of experience and possess mandatory skills in Java communication sockets programming, as well as familiarity with IBM and Unisys mainframe ...

    Senior Java Developer (Low Latency Payments Systems)

    Who We Are Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of bein ...

    Senior Java Developer – Capital Markets Front‑Office

    Adaptive in Greater London is seeking talented individuals for Java software development roles focused on building innovative capital markets products. This position requires experience in server-side Java development, strong analytical skills, and a collaborative approach to Agile methodologies. Benef ...

    Java (Kotlin) Developer (Agile, Test Driven) AVP

    ## Java (Kotlin) Developer (Agile, Test-Driven) AVPApplyremote 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 support finance – we are helping to redefine it. Every da ...

    Senior Java Developer (Chinese Speaking) – Backoffice & Slot

    Eeze is seeking a Senior Java Developer (Chinese Speaking) to join the Slot Team in London. This role focuses on enhancing legacy Backoffice systems and developing a new Backoffice to support Slot game products. With a full-time contract, this position offers competitive compensation. The ideal candidate will be ...

    Java Developer for Trading (Securities Lending) 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 ...

    Java / Scala Developer in London Quant Capital

    Quant is urgently looking for a Java/Scala developer to join our high-profile client. Our client is a well-known algorithmic trading broker based in central London. The environment is similar to that of Facebook or Google—relaxed, open, with a focus on quality work. Job Responsibilities and ...

    Java / Hybris Developer in London Quant Capital

    Serious commercial exposure to modern Java including Spring MVC and Spring. HYBRIS SQL REST/SOAP APIs Ideally TDD Ideally Javascript MVC frameworks like AngularJS and EmberJS Node.js would be a plus Continuous integration experience would be a plus < ...

    Full Stack Java Developer for Client Team

    Your mission What’s the role about? ValidSoft secures transactions with services that are incredibly simple for the user. We remove the need for PINs, passwords and security questions. Built around voice biometrics, our multi-factor authentication protects Online, Smartphone, ...

    Remote Java Developer SC Cleared, Microservices Hays

    Java Developer – SC Cleared, Microservices Up to £550 per day (Inside IR35)London / Remote (Occasional travel) My client is looking for a Java Developer with Active SC Clearance to work on a business-critical programme ASAP. Key Requirements: Strong understandin ...

    Java/.NET Developer with Azure Cloud Experience

    Methods Business and Digital Technology is seeking a Mid-Level Java / .NET Developer to enhance digital services delivery for the public sector. This role involves writing clean code, mentoring juniors, and collaborating with a team to build solutions that serve citizens. Key responsibilities include o ...

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