Jobs for java developer at London

1,000 java developer job listings in United Kingdom. Find daily updated positions from leading job boards.

  • Java Developer

    1 week ago


    greater london, england, United Kingdom, England Citibank (Switzerland) AG Full-time £60,000 - £95,000

    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.Job OverviewEngineer the future of global finance. At Citi, our Tech team...

  • Java Developer

    1 week ago


    greater london, england, United Kingdom, England RedRock Consulting Full-time £101,000 - £120,000

    Clearance: Active SC or confident in passingLocation: Leeds, Sheffield or LondonTravel: Maximum once per monthContract: Initial contractWe’re looking for an experienced Senior Java Developer to join a large-scale technology programme, working on modern applications and services within a complex enterprise environment.Key Skills & ExperienceStrong, recent...

  • Java Developer

    1 week ago


    greater london, england, United Kingdom, England Enfint Full-time £110,000 - £170,000

    Описание:Teza Technologies operates in the capital markets industry and develops a real-time, low-latency trading platform covering market data, order management, exchange connectivity, and execution infrastructure.Задачи:Design, develop, and support core components of the real-time trading platform, including market data, order management,...


  • London Area, ENG, United Kingdom Understanding Recruitment Remote Full-time £50,000 - £55,000 Contract

    *Do you have 1 - 3 years commercial experience developing software with Java?* *Looking to join a company when you can make a real impact?* **🚀 Java Software Developer** – SaaS Solutions 🚀 **💲 Salary** – up to £55k + bonus **📍 Location** – hybrid working 2 days a week in modern London office We have a fantastic brand-new opportunity...


  • London Area, ENG, United Kingdom Genpact Full-time

    **Ready to turn bold ideas into real-world impact?** At Genpact, we don’t just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we’re at the forefront of it. Genpact’s AI Gigafactory, our industry-first accelerator, exemplifies how we scale advanced technology solutions to help global enterprises...


  • City of London, England, United Kingdom, England Digital Preservation Coalition Full-time £60,000 - £80,000

    A leading digital archiving organization in London seeks a Lead Developer proficient in Java and Scala to oversee software development in their Digital Preservation team. You will manage systems critical to preserving national digital records and lead innovation within the department. The ideal candidate has experience in Linux and AWS, mentoring abilities,...

  • Java Developer

    1 week ago


    greater london, england, United Kingdom, England Vertus Partners Full-time £90,000 - £130,000

    A leading investment bank are looking to hire a Java developer to join their front office rates team in London.ResponsibilitiesDesign, develop, and maintain high-performance Java applicationsCollaborate with cross-functional teams including traders, quantitative analysts, and technology experts to deliver innovative solutions.Ensure code quality through...


  • greater london, england, United Kingdom, England Adaptivefinancialconsulting Full-time £70,000 - £110,000

    At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world’s...

  • Java Developer

    1 week ago


    greater london, england, United Kingdom, England Scrumconnect Limited Full-time £75,000 - £105,000

    London, United Kingdom | Posted on 04/08/2026Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.With a strong commitment to user-centred design and agile delivery, we...


  • greater london, england, United Kingdom, England Cooper & Hall Limited Full-time £25,000 - £38,000

    About Sparta GlobalEmbark on a transformative career journey with Sparta Global, where diversity, innovation, and passion for technology converge. We welcome individuals from all backgrounds, offering not just jobs, but dynamic careers in the tech industry. You'll work alongside enthusiastic professionals, receiving top-tier training and mentorship to hone...


  • greater london, england, United Kingdom, England NextWave Consulting Full-time £50,000 - £65,000

    Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data Fabric platform that governs data access,...


  • greater london, england, United Kingdom, England Citibank (Switzerland) AG Full-time £90,000 - £150,000

    Citibank (Switzerland) AG in London/Global Tech is seeking a senior Java engineer to design and deliver high‑performance trading platform components. You will collaborate with Traders, Quants and PMs to translate business needs into scalable solutions for live markets.The role requires deep Java expertise, knowledge of low‑latency distributed systems,...


  • greater london, england, United Kingdom, England Millennium Full-time £80,000 - £100,000

    About Millennium Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors. Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed...


  • City of London, England, United Kingdom, England Grid Dynamics Full-time £90,000 - £130,000

    Senior/Principal Java Developer - Low Latency - Financial Services 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. We are looking for low-latency Java Developers to join our clients FX eTrading team. The developers will be on a low-latency drive, finding and eliminating sources of long-tail latency...


  • greater london, england, United Kingdom, England Citi Full-time £80,000 - £120,000

    Paid Parental LeaveEngineer 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 build systems that matter....

  • Java + UI developer

    1 week ago


    greater london, england, United Kingdom, England Falcon Smart IT (FalconSmartIT) Full-time £50,000 - £75,000

    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...


  • greater london, england, United Kingdom, England Citibank (Switzerland) AG Full-time £90,000 - £150,000

    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 build systems that matter. Look to join a team...


  • greater london, england, United Kingdom, England Eeze Full-time £80,000 - £100,000

    Responsibilities Development & Coding: Collaborate with lead and also Lead the development with mid level developers and implementation of scalable and high-performance Java-based applications. (This post will have more than 80% focus on this). Architecting Solutions and design: Collaborate with cross-functional teams to design and implement robust software...


  • greater london, england, United Kingdom, England Global Full-time £90,000 - £130,000

    Accepting applications until:28 August 2026Job DescriptionYour Role: Senior Java DeveloperWe’re looking for an experienced backend engineer with a passion for technical excellence and improving user experiences. You’ll join our DAX engineering team, working on our ad server platform and related products that power campaign delivery at scale. This role is...

  • Java + CloudNative

    23 hours ago


    London, London, United Kingdom Randstad Technologies Recruitment Full-time

    Role: Senior Full Stack Engineer - Investment Banking Location: London (3 Days Hybrid / 2 Days Remote) Type: Permanent / Full-Time Experience: 5-7 Years Overview An opportunity to join a global investment bank, designing and scaling cloud-native applications within the risk management space. You will drive end-to-end development using modern Java,...