12 java developer jobs found

Job Information Date Opened 10/11/2026 Job Type Contract Industry Government & Public Sector Work Experience 5+ years Salary 400 OUTSIDE IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Scrumconnect Consulting is a multi-award-winning UK digital consultancy. We help public and private sector organisations design and deliver better digital services, working in agile, multidisciplinary teams on services used by millions of people every day. Role Overview We are looking for a talented Java Developer to join our team and help design, build and maintain high-performance applications. You will have a solid grounding in Java and enjoy working with modern tools and frameworks. You will play a key part in building scalable, high-quality software, working closely...

Job Information Date Opened 10/11/2026 Job Type Contract Industry Government & Public Sector Work Experience 5+ years Salary 400 OUTSIDE IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Scrumconnect Consulting is a multi-award-winning UK digital consultancy. We help public and private sector organisations design and deliver better digital services, working in agile, multidisciplinary teams on services used by millions of people every day. Role Overview We are looking for a talented Java Developer to join our team and help design, build and maintain high-performance applications. You will have a solid grounding in Java and enjoy working with modern tools and frameworks. You will play a key part in building scalable, high-quality software, working closely with engineers, architects and product teams to deliver...

Senior Java Developer - Streaming Platforms Outside IR35 | Circa £400 per day | 6 month contract initially | 2 days on site in Isleworth, London We are looking for an experienced Senior Java Developer to join a large-scale streaming technology environment, working on Back End services supporting live streaming and video-on-demand platforms used by millions of customers. The ideal candidate will have a strong background in Java development, hands-on testing experience and importantly, previous experience working within the media, broadcasting or video streaming industry. This is an opportunity to work on high-traffic, cloud-based systems, contributing to the development, performance and reliability of business-critical streaming services. Key Responsibilities Design, develop and maintain scalable Back End services and RESTful APIs using Java 21+ and Spring Boot. Develop and enhance Back End systems supporting live streaming and video-on-demand applications....

Senior Java Developer/Technical Lead (Assurance) - Spring Boot/Angular - SC Cleared - Outside IR35 Location: London - Hybrid Duration: 6 months + Clearance: Active SC clearance required (UK only) Outside IR35 Synergetic is recruiting a senior, hands-on Java developer on behalf of a leading consultancy. You'll join a major central government programme that is replacing a critical system. The Legacy code is more than 30 years old, and the replacement is being built on Java, Spring Boot, Angular and PostgreSQL. You'll act as the client's technical lead on code quality and delivery. You'll get into the delivery partner's codebase, designs and pipelines, judge what is being built and how well, and then explain that clearly to Product Managers, Delivery Managers and programme leadership. We need a strong engineer who can communicate, not a governance specialist. What You'll Do Review code, designs and architecture decisions from the delivery partner, and...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Barcelona, Montreal and Manila, we have a proven track record delivering powerful, elegant and intuitive trading technology solutions. You'll join a talented team and take on exciting, technically challenging projects. YOU ARE: • A JVM lover who really enjoys working with the latest technologies and design patterns • Eager to solve complex technical challenges, especially in cloud-based environments and event driven architecture patterns • Someone looking to...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Barcelona, Montreal and Manila, we have a proven track record delivering powerful, elegant and intuitive trading technology solutions. You'll join a talented team and take on exciting, technically challenging projects. YOU ARE: • A JVM lover who really enjoys working with the latest technologies and design patterns • Eager to solve complex technical challenges, especially in cloud-based environments and event driven architecture patterns • Someone looking to...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Technical Business Analyst services on an exciting project! THE INDIVIDUAL/S PROVIDING THE SERVICES WILL HAVE THE FOLLOWING EXPERIENCE: • Experience in QA, Software Engineering (ideally a senior Java developer), Technical Business Analysis, or another highly technical product environment •...

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Technical Business Analyst services on an exciting project! THE INDIVIDUAL/S PROVIDING THE SERVICES WILL HAVE THE FOLLOWING EXPERIENCE: • Experience in QA, Software Engineering (ideally a senior Java developer), Technical Business Analysis, or another highly technical product environment •...

Automation Test Engineer Contract role - 6 months rolling SC Cleared or British and eligible for SC Clearance £300 a day - outside IR35 Hybrid, occasional visits to site in London We require an Automation Tester with strong Java capabilities to develop new features for our portfolio of Government Clients. REQUIREMENTS Strong Java coding skills (JavaScript, JMeter Scripting also advantageous). Experience as a software tester/developer in test with a good appreciation of test automation. Passionate about code quality and advocate of clean code principles. Excellent analysis and problem-solving skills with meticulous attention to detail. Experience with common test automation tools such as Selenium, Cucumber or Serenity; CI/CD tools (such as Jenkins, Stash, GitHub, Bitbucket) Experience testing UI, API (SOAP UI, RESTFUL services) and web services-based systems, including end-to-end and/or in isolation using mocks. Experience with very large...

£1000 - Outside IR35 Contract – Low Latency Java / Core Trading Platform Engineer Location: UK or Europe Contract: Outside IR35 Technology: Java | Low Latency | Distributed Systems | Electronic Trading I'm working with a major European energy trading organisation that is making a significant investment in its electronic and algorithmic trading capabilities. They're building out a new digital trading platform, bringing the engineering principles and technology typically associated with investment banks, hedge funds and high-frequency trading firms into the energy markets. This is a genuinely hands-on engineering opportunity to help design and build the core infrastructure underpinning a modern electronic trading platform. What you'll be working on: Building high-performance, low-latency Java trading infrastructure. Developing Order Management Systems (OMS) and exchange connectivity. Designing high-throughput market data and messaging infrastructure....

Contract Rate : 250 Contract Job : 1 Salary range high : 275 Salary range low : 250 Junior Test Automation Engineer | Outside IR35 London (Remote) Contract Consulting GBP250 - 275 per day Posted 1 day ago Junior Test Automation Engineer | Outside IR35 Junior Test Automation Consultant | Outside IR35 | Mostly Remote SR2 is recruiting a Junior Test Automation Consultant to support a public sector digital programme. This would suit someone with around two years’ testing experience who has started building automated tests and wants to develop their hands-on skills further. The Role You’ll work alongside developers and experienced testers to test digital services, maintain automated regression tests and investigate defects. The focus will be on contributing to existing frameworks and helping the team deliver reliable software. Key Responsibilities Write and maintain automated tests within an existing framework. Test web applications and APIs,...

Junior Test Automation Consultant | Outside IR35 | Mostly Remote SR2 is recruiting a Junior Test Automation Consultant to support a public sector digital programme. This would suit someone with around two years' testing experience who has started building automated tests and wants to develop their hands-on skills further. The Role You'll work alongside developers and experienced testers to test digital services, maintain automated regression tests and investigate defects. The focus will be on contributing to existing frameworks and helping the team deliver reliable software. Key Responsibilities Write and maintain automated tests within an existing framework. Test web applications and APIs, covering core functionality and integrations. Turn user stories and acceptance criteria into practical test scenarios. Investigate test failures, document defects and verify fixes. Carry out exploratory testing to identify issues beyond automated coverage. Support automated...