6 java developer jobs found in London

CONTRACT SENIOR SOFTWARE ENGINEER - eDV CLEARED NEW CONTRACT JOB OPPORTUNITY AVAILABLE WITHIN A LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE Contract job opportunity for a Senior Software Engineer Globally leading defence / cyber security company £500 - £750 per day (inside and outside IR35 roles available) London based organisation in an easily accessible location Contract Senior Software Engineer To apply please call or email WHO WE ARE? We are recruiting multiple contract Senior Software Engineers to work with various clients in London ranging from R &D companies, Multi-National Consultancies to SME 's and product based companies. Due to the nature of the work these clients do, you must hold enhanced DV Security Clearance. WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING? As a Senior Software Engineer, you will work with an experienced agile team to design and deliver...

Fullstack Developer – Palantir Foundry job in London – £750 - £1000 a day – London – Outside IR35 Hexwired Recruitment is recruiting for an expanding Solutions provider, now seeking Data Engineers and Fullstack Developers with solid experience working on Palantir Foundry’s data analytics dashboard. You will be working on the full product lifecycle for a range of customers within Finance, energy and more. The successful candidate must have good experience on both the API development and backend data management side of Palantir’s products. Initial 3 months with very likely extension. Outside IR35 and will require at least 3 days onsite. Key Skills: Bachelors in CS, Maths, Physics or similar 3+ commercial Palantir Foundry dashboard experience Solid experience building applications using Palantir Foundry Excellent Data Engineering experience using Palantir Foundry Company is agnostic on programming languages, Python, Java, Typescript and/or React...

Developer-in-Test (SC Cleared) Southend / Reading (Hybrid) 3 Month Rolling Contract £450/day (Outside IR35) Developer-in-Test needed with active SC Security Clearance and Java coding skills. 3 Month Rolling Contract based in either Southend (Essex) or Reading (Hybrid). Hybrid Working - 3-4 days/week remote (WFH), and 1-2 days/week working on-site from the office. Start ASAP in March 2026. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Developer-in-Test / SDET with strong Java coding + test automation skills. Government / (url removed) projects experience strongly preferred. Test automation tools experience -eg- Selenium, Serenity or Cucumber. Continuous Integration tools -eg- Jenkins, Stash, Hudson, Github. Testing UI and Web Services systems including end-to-end and in isolation using Mocks. Experience with large datasets + appreciation of data isolation in a...

Ruby on Rails Developer | Outside IR35 | Remote We're working on a large Gov project and on the lookout for a Ruby on Rails Developer to support and enhance a live GOV.UK service. This is a hands-on opportunity for a collaborative engineer who enjoys working across the stack, contributing to architectural decisions, and delivering meaningful user impact within an agile environment. The Role You'll join an autonomous, multidisciplinary team responsible for refining and improving a live digital service. Working across Ruby on Rails and Java (Spring Boot), you'll help deliver scalable, secure solutions in AWS, ensuring changes are robust, well-tested, and user-focused. Key Responsibilities Collaborate with technical and non-technical stakeholders to enhance a live GOV.UK service Build and maintain Back End services using Java (Spring Boot) and PostgreSQL Develop and improve Front End features using Ruby on Rails and GOV.UK Frontend Contribute to architectural...

Developer-in-Test (SC Cleared) Southend / Reading (Hybrid) 3 Month Rolling Contract £450/day (Outside IR35) Developer-in-Test needed with active SC Security Clearance and Java coding skills. 3 Month Rolling Contract based in either Southend (Essex) or Reading (Hybrid). Hybrid Working - 3-4 days/week remote (WFH), and 1-2 days/week working on-site from the office. Start ASAP in March 2026. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Developer-in-Test / SDET with strong Java coding + test automation skills. Government / GOV.UK projects experience strongly preferred. Test automation tools experience -eg- Selenium, Serenity or Cucumber. Continuous Integration tools -eg- Jenkins, Stash, Hudson, Github. Testing UI and Web Services systems including end-to-end and in isolation using Mocks. Experience with large datasets + appreciation of data isolation in a multi-tenanted SAAS platform...

Developer-in-Test (SC Cleared) Southend/Reading (Hybrid) 3 Month Rolling Contract £450/day (Outside IR35) Developer-in-Test needed with active SC Security Clearance and Java coding skills. 3 Month Rolling Contract based in either Southend (Essex) or Reading (Hybrid). Hybrid Working - 3-4 days/week remote (WFH), and 1-2 days/week working on-site from the office. Start ASAP in March 2026. A chance to work with a leading global IT and Digital transformation business specialising in Government projects: Developer-in-Test/SDET with strong Java coding + test automation skills. Government/GOV.UK projects experience strongly preferred. Test automation tools experience -eg- Selenium, Serenity or Cucumber. Continuous Integration tools -eg- Jenkins, Stash, Hudson, Github. Testing UI and Web Services systems including end-to-end and in isolation using Mocks. Experience with large datasets + appreciation of data isolation in a multi-tenanted SAAS platform environments....