java jobs in London

See average salary for java »

10,000 java job listings in United Kingdom. Find daily updated positions from leading job boards.

  • Lead Java Developer

    4 hours ago


    London, England, United Kingdom Harrington Starr Full-time

    Tech Stack: Java and low-latency, JVM engineering, FX, eFX, Crypto, hedging and risk-management systems, Aeron, FIX connectivity, Linux, Multithreading,Harrington Starr have partnered with an innovative to Software Developer specialising in Crypto, FX and eFX currently developing high-performing trading systems. We’re looking for a skilled Java or Quant...


  • London, England, United Kingdom BGC Group Full-time

    OverviewBGC Group Greater London, England, United KingdomJava Software EngineerBGC Group Greater London, England, United KingdomBuilt upon the foundation of cutting edge tech and exceptional talent, BGC Partners is a pioneering global brokerage and financial technology company servicing the financial markets. BGC is agile and dynamic in its approach,...


  • London, England, United Kingdom Client Server Limited Full-time

    Are you a bright, ambitious Java Developer looking to progress your career? You could be working on a financial Tech for Good product in an impactful Head of Software Architecture role at a scaling tech business. The platform enables easier money transfer to people in emerging economies, disaster and war zones that do not have access to a bank account;...

  • Software Developer

    5 hours ago


    London, England, United Kingdom Joybuy Full-time

    Develop and maintain transaction-related backend services using Java and Spring Boot. Build core business processes for order and transaction workflows.Ensure data consistency, system reliability, and correctness across critical business processes.Support stable operation of transaction systems under high concurrency.Participate in requirement discussions,...

  • Java + UI developer

    5 hours ago


    London, England, United Kingdom Falcon Smart IT (FalconSmartIT) Full-time

    Job Location: London, UK (4 days per week from office) Job Type: Contract (6 months ) / Perm Job Description: Role Overview Full Stack Developer with expertise in Java Spring Boot and React JS to build scalable microservices and modern front-end applications, leveraging AI-assisted tools. Key Responsibilities Develop microservices and REST APIs (Spring...


  • London, England, United Kingdom Accenture PLC Full-time

    Role: Java - Software EngineerLevel: ConsultantLocation: LondonSalary: Competitive salary and package (Depending on level of experience)Note: Any offer of employment is subject to satisfactory BPSS and Active SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent outside...

  • Senior Java Developer

    5 hours ago


    London, England, United Kingdom Hackajob Ltd Full-time

    Our client is a leading IT services and digital transformation consultancy. Company DescriptionOur client has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology...

  • Java Developer

    5 hours ago


    London, England, United Kingdom SMBC Full-time

    SMBC: A trusted partner for the long term Here at SMBC Group, we want to help you find the next step in your career so read on to discover if this opportunity is the one for you. We like to recognise potential in our people, so we welcome your application even when your experience doesn't perfectly align with the job description. Whilst we'll always strive...

  • Senior Java Architect

    5 hours ago


    London, England, United Kingdom Falcon Smart IT (FalconSmartIT) Full-time

    Job Location: London, UK (4 days per week from office) Job Type : Contract (6 months ) / Permanent Role Summary Seeking an experienced Java Engineering Architect to lead the design and delivery of enterprise-scale banking and payments platforms. The role requires deep expertise in payments, banking operations, messaging architectures, cloud-native platforms,...

  • Java HFT Developer

    8 hours ago


    London, England, United Kingdom Oxford Knight Full-time

    Salary: up to £200k base + bonus Summary Tech-savvy algorithmic trading firm looking to hire a Java Developer to help develop and operate the off-exchange trading system and products. This is a superb opportunity for a well-organised and pragmatic engineer with a passion for concise, efficient code to join one of the only Java teams you will find in HFT. A...

  • Lead Java Developer

    8 hours ago


    London, England, United Kingdom Citi Full-time

    Discover your future at CitiWorking 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.Job OverviewEngineer the future of global finance. At Citi, our Tech team...


  • London, England, United Kingdom Spectrum IT Recruitment Full-time

    Senior Java Software Engineer OpportunityA Senior Java Software Engineer opportunity in a growing team who are upgrading and modernising their tech stack. The business is well established across the UK and the team require experienced software engineers who can demonstrate strong Java and Spring backgrounds.The role offers a hybrid working structure (two...


  • London, England, United Kingdom Areti Group | B Corp Full-time

    Areti are looking for a Java / Kotlin Developer to join a major UK public sector programme. Previous experience working within a UK Government organisation is essential. What we're looking for: UK Government experience Active SC preferred, or strong eligibility for clearance Monthly travel to London, Leeds or Manchester We're particularly interested in...

  • Senior Java Developer

    8 hours ago


    London, England, United Kingdom mthree Full-time

    Our client is a tier-one global financial institution driving an aggressive digital modernization across its capital markets infrastructure. They are currently re-architecting their core mission-critical workflow engine to scale from hundreds of concurrent users to thousands. This transformation involves integrating advanced AI, Large Language Models (LLMs),...


  • London, England, United Kingdom SilverRail Full-time

    Software Engineer Build technology powering the future of sustainable travel At SilverRail, we’re transforming the way the world travels. As rail becomes the preferred low‑carbon option for short and medium‑haul journeys, our technology powers seamless booking experiences for travellers and travel companies across the globe. With teams and offices...

  • Java Server Engineer

    8 hours ago


    London, England, United Kingdom Interactive Brokers Full-time

    About The Company Interactive Brokers Group, Inc. (NASDAQ: IBKR), a member of the S&P 500, is a global financial services company headquartered in Greenwich, Connecticut, with offices in over 15 countries. Through its affiliates, Interactive Brokers provides automated trade execution and custody of securities, commodities, foreign exchange, and prediction...


  • London, England, United Kingdom Jas Gujral Full-time

    Backend Java Developer – City LondonWe are urgently looking to recruit a Java backend Developers with at least 5 years experience.Must have strong Data structures and Algorithms experience.Also experience of Spring, working with large code base, SQL, Unix etc.You should ideally have a solid problem solving and algorithm background coupled with excellent...


  • London, England, United Kingdom Accenture UK Full-time

    Role: Java - Software EngineerLevel: ConsultantLocation: LondonSalary: Competitive salary and package (Depending on level of experience)Please Note: Any offer of employment is subject to satisfactory BPSS and Active SC security clearance which requires 5 years continuous UK address history (typically including no periods of 30 consecutive days or more spent...


  • London, England, United Kingdom Methods Full-time

    About Methods: Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create...

  • Software Engineer

    8 hours ago


    London, England, United Kingdom Starling Bank Full-time

    4 weeks ago Be among the first 25 applicantsStarling is the UK's first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way.We're a fully licensed UK bank with the culture and spirit of a fast-moving,...