Senior Java Developer jobs in South Croydon

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

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

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

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

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

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

Senior EFX Java Developer | £90,000 - £125,000 We're working with a leading global technology consultancy and FTSE-listed talent powerhouse on this exciting opportunity. Join a high-performance front-office team at a major financial institution to build the next generation of strategic EFX pricing a

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

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

Job Req Id 26956115 Location(s) London, England, United Kingdom Job Type Hybrid Posted Apr. 17, 2026 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 o

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

About Us:- Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe,

Citigroup

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 marke

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

3rd Line Back End Developer Methods Business and Digital Technology Limited 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,

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

Job Req Id 26953948 Location(s) London, England, United Kingdom Job Type Hybrid Posted Apr. 16, 2026 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 o