Senior Java Developer jobs in Welwyn

We are seeking a Java Developer to join our FIF team. In this role you will assist in development and delivery of software solutions while collaborating with peers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives. To

Join Barclays as a Java Software Developer, responsible for designing and developing systems that generate pricing quotes, automating spreadsheet-driven workflows, and building client automation solutions. In this role, you will collaborate with the existing engineering team to enhance and maintain

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 | £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

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

FDM Group

About The Role FDM is a global business and technology consultancy seeking a Java / Scala Developer to work for our client within the Investment Banking / Financial Services sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role that will be based in Lon

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

Job Description Java Developer – Prime Brokerage ______________________________________________________________________ Location: London, UK Type: Full-time /Hybrid (3 days per week) Department: Technology _______________________________________________________________________ Summary eClerx Markets

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,

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

Role : Senior Java Fullstack Engineer Type : 1year Fixed Term Contract ( Chance for more extension) Location : London (Hybrid) 8+ years of experience in full stack development. Strong proficiency in Java , React, Spring Boot , and Microservices Architecture . Mandatory hands-on experience with React

Senior Java Developer Senior Java Developers with a passion for cutting-edge technology and a desire to work on a flagship platform rebuild, look no further for your next role! We have an exceptional opportunity with a leading financial services technology vendor based in the heart of London. As a S

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver sol

About Citi As the world’s most global bank, Citi gives you the tools to be a trailblazer. We’re not just building technology; we’re building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultu

Location: London, UK (Hybrid - 3 days onsite) Contract: Initial 12-month contract Rate: Up to £800/day (Inside IR35) We are seeking a Senior Quantitative Developer to join a high-performing electronic FX (eFX) technology team within a leading global investment bank. This role focuses on the design,

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

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

Job Req Id 26956509 Location(s) London, England, United Kingdom Job Type Hybrid Posted Apr. 21, 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