Jobs for java backend developer at London

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


  • London, England, ENG, United Kingdom Transak C-Corp Full-time

    **About The Company** Our mission is that “Any financial application can onboard any user, anywhere in the world, in 1 click.” Transak provides onboarding to financial applications through authentication, KYC, risk checks, and fiat on/off ramps. This is a next generation of infrastructure for the next generation of financial applications that are...

  • Java Developer

    4 days ago


    City of London, England, United Kingdom, England Experis Full-time £41,000 - £45,000

    Experis is seeking a Java Developer to join its technology team in London or Leicester, with a hybrid pattern of three days on-site and some weeks five days. The role focuses on developing, maintaining, and supporting enterprise Java applications within an Agile delivery environment.Clear SC clearance eligibility is preferred. The contract length is 12...


  • London, GB, ENG Transak Full-time

    ### **About the company** Our mission is that “Any financial application can onboard any user, anywhere in the world, in 1 click.” Transak provides onboarding to financial applications through authentication, KYC, risk checks, and fiat on/off ramps. This is a next generation of infrastructure for the next generation of financial applications that are...


  • greater london, england, United Kingdom, England Talan Group Full-time £70,000 - £90,000

    A global consulting group is seeking a highly skilled eFX Java Developer to join their team in London. This role focuses on designing and maintaining low-latency Java applications for eFX trading systems. The ideal candidate will have strong experience in front-office systems, connectivity, and algorithmic trading. Key skills include Core Java,...


  • greater london, england, United Kingdom, England Rullion Full-time £85,000 - £120,000

    Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a three-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in...

  • Java + CloudNative

    15 hours ago


    City of London, City and County of the City of London, United Kingdom Randstad Technologies Recruitment Full-time

    We are seeking a highly skilled Specialist with 5 to 7 years of hands-on experience in Core Java, React, and cloud-native architecture to join our client's Investment Banking engineering team. In this role, you will design, build, and maintain high-throughput, low-latency applications tailored for risk management systems. You will lead technical initiatives...


  • greater london, england, United Kingdom, England Nomura Holdings, Inc. Full-time £50,000 - £75,000

    Nomura Holdings, Inc. seeks an Algo Developer for a 6 to 12 month contract in London. The role involves designing and developing algorithmic trading systems and requires expertise in Java and collaboration across teams.The ideal candidate will have a bachelor's or master's degree in computer science or engineering, and experience in algorithmic trading. Join...


  • greater london, england, United Kingdom, England Capco Full-time £90,000 - £120,000

    Capco is seeking a Senior Backend Engineer (Java) in London to design and build cloud-native backend services using Java, Spring Boot, and AWS. You will influence backend architecture, champion best practices, and contribute to modern banking technology while embracing AI-enabled development practices.You will work in Capco's Technology & Engineering team,...

  • Backend Engineer

    24 hours ago


    London, England, United Kingdom Stott and May Full-time

    Job description Backend Engineer (TypeScript, Node.js & AI) – Remote (UK or EU) We're hiring a Backend Engineer to join a growing FinTech business that is using technology to modernise and simplify complex financial processes for institutional and corporate clients. This is an opportunity to join a collaborative engineering team working on scalable,...

  • Backend Engineer Premium

    3 days ago


    London, London, United Kingdom 9fin Full-time

    About 9fin9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion.Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform that centralises proprietary credit data, deep analysis,...


  • London, England, United Kingdom Inspire People Full-time

    Help build and operate reliable, scalable and secure digital services that support UK businesses and trade . Department for Business, Innovation, Science and Trade (BIST), in partnership with Inspire People, is seeking a Senior Backend Engineer. Whilst the team primarily develops in Python, we welcome applications from experienced backend developers with...


  • greater london, england, United Kingdom, England Xoriant Full-time £50,000 - £90,000

    Role: Java Full Stack DeveloperLocation: London (Canary Wharf), UKContract: 6+ MonthsType: Hybrid (3 days a week)Job DescriptionThis project is to build and extend an Integrated client coverage platform to bring together information both internal and external on our client with insights, contacts and interactions, revenue, lending, wallet share and more. The...


  • greater london, england, United Kingdom, England State Street Full-time £65,000 - £95,000

    Role SummaryWe are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‑on engineering role responsible for building end‑to‑end product experiences across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services...


  • Charing Cross, London, United Kingdom Nexus Jobs Full-time

    Job Reference: NJ0320Date Posted: 4 August 2026Recruiter: Nexus Jobs LimitedLocation: West LondonSalary: 55,000 to 65,000Sector: I.T.Check out the role overview below If you are confident you have got the right skills and experience, apply today.& CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob...


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

    BVNK is seeking a talented Backend Software Engineer to join our Engineering team. You’ll help build the crypto-enabled payments infrastructure, focusing on speed, reliability, and scalable architecture for cross-border transactions.You will work in a native Java/Spring Boot stack, with asynchronous messaging and microservices, collaborating across squads...


  • London, England, United Kingdom Randstad Technologies Full-time

    Role: Sr. Java Full Stack Developer Type: PERM/FTELocation: London, UKWorking Model: Hybrid (3 day per week in office)Salary: 60k to 70k GBP per AnnumWe are looking for a Senior Java Full Stack Developer who loves building modern microservices and isn't afraid to get hands-on with the infrastructure they run on. If you enjoy blending application development...


  • London, England, United Kingdom TieTalent Full-time

    OverviewUneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future.Senior Software Development Engineer in Test (Java & Selenium) – you will design and maintain robust test...


  • London, England, United Kingdom TieTalent Full-time

    OverviewUneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future.Senior Software Development Engineer in Test (Java & Selenium) – you will design and maintain robust test...

  • Java Developer

    7 days ago


    greater london, england, United Kingdom, England Talan Group Full-time £60,000 - £80,000

    Talan is looking for a talented Java Developer with React experience to join our team delivering cutting‑edge Front Office solutions within Global Markets environments. You will play a key role in designing and enhancing regulatory, alerting, and sales enablement platforms, directly supporting front‑office users and business stakeholders across capital...


  • greater london, england, United Kingdom, England iO Associates Remote Full-time £60,000 - £80,000

    A trusted UK Central Government technology programme is looking for an experienced Senior Java Developer to join their high-impact delivery team. Working on mission-critical systems that support national infrastructure, this role offers the chance to work fully remotely on challenging and technically rich work across legacy and modern platforms.You will be...