Java Developer Freelance jobs in London

eFinancialCareers

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 Overview Java

We are recruiting for a Senior Java / Kotlin Engineer. On-site: 2 dpw in Leeds Or London Key skills: strong experience in Java or Kotlin (back-end), and comfortable with TDD (test-driven development). Who We Are AND Digital are a tech company focused on accelerating digital delivery and dedicated to

Senior Java Developer | £85,000 - £95,000 We're working with a leading financial services technology vendor on this exciting opportunity. Are you ready to spearhead a flagship platform rebuild at the heart of London’s fintech scene? This is your chance to architect and deliver high-performance, auto

We are recruiting for a Senior Java / Kotlin Engineer. On-site: 2 dpw in Leeds Or London Key skills: strong experience in Java or Kotlin (back-end), and comfortable with TDD (test-driven development). Who We Are: AND Digital are a tech company focused on accelerating digital delivery and dedicated t

eFinancialCareers

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 Overview Engi

Sanderson

£40,000 - £60,000 /year

Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will put your

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

Citi

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 mark

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What This

Java Software Developer Contract: 12‑month Fixed Term Contract (Potential Permanent Conversion) Salary: £65,000 – £75,000 Locations: London, Newcastle, Edinburgh, Glasgow (Hybrid) About the Opportunity We’re recruiting an experienced Java Software Developer to join a high‑performing delivery team wo

Senior Java Developer for a middle office transformation within an Asset Management company Key skills Advanced in Java Strong foundation in Python Used to working with large data warehouses Previous experience working in financial services Hybrid based in London Please contact ted.foley@bruinfinanc

Noir

Graduate / Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over t

eFinancialCareers

Exclusive Search - Leading Global Investment Bank Are you a high-performance Java engineer with FX experience? My client, a top-tier global financial institution, is expanding its E-Trading FX Options Strategy team and is seeking a Vice President - Java FX Strategist to help drive one of the bank's

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 Overview Java

Senior Java Developer x 3 | £825 - £850 We're working with a prestigious Tier-1 Investment Banking powerhouse on this exciting opportunity. Step into a high-octane environment to spearhead the evolution of business-critical systems within the Equity Derivatives space. This is a rare chance for elite

Role: Java Backend Developer Location: London, UK Permanent Full time employment SC Cleared/SC Eligible Job Summary: As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will invo

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

ECM Selection (Holdings) Limited

€45,000 - €70,000 /year

Requirements Must have: - A solid academic background with a degree in Computer Science or a similar subject. - Substantial commercial software engineering experience and familiarity with Agile development processes, CI/CD, and software testing strategies. - Strong coding skills, ideally in Java, a

Graduate Java Developer Location: Oxfordshire, Oxford, OX1 1 | | Salary: £35,000 - £45,000 annual An innovative organisation in the financial technology space is looking for a Graduate Java Developer. This well-established business has spent over two decades developing high-performance platforms use