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16 java cloud developer jobs found

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Duration not stated java cloud developer Greater London
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Contract Spy
Aug 19, 2026
Duration not stated
Full Stack Developer at Deloitte, London/Remote, £Competitive Rate
Contract Spy Hybrid (London, UK)
Job description   Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...
Contract Spy
Aug 19, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London/Remote, £Contract Rate
Contract Spy Hybrid (London, UK)
Job description   Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...
Contract Spy
Aug 19, 2026
Duration not stated
Java Developer - Fintech at Adaptive, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
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, fintech, and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila, and Montreal, we have a proven track record of delivering powerful, elegant, and intuitive trading technology solutions. We are now looking for a Java Developer to provide services on an exciting project! The service provision will require: Solid JVM skills with strong design patterns. Ability to solve complex technical challenges, especially in cloud-based environments and by using event driven architecture patterns. Experience of the...
Contract Spy
Aug 18, 2026
Duration not stated
Boomi Integration Architect at Numentica, London/Remote, £Contract Rate
Contract Spy Hybrid (London, UK)
Skills & Experience Job roles: Back End Experience level: Lead Core skills considered: APIs, REST, SOAP, JSON, SQL Other skills considered: Java, Groovy, CI/CD, AWS, Azure Logistics Base salary: Undisclosed Employment type: Freelance/Contract Remote working: Hybrid Visa sponsorship: Not available Job Description We are looking for a hands-on Boomi Integration Architect who can design scalable integration solutions while leading development and delivery. The role combines architecture, technical leadership, client engagement and hands-on Boomi development. Key Responsibilities Design enterprise integration solutions using the Boomi platform. Lead discovery, requirements and solution-design sessions. Build and review complex Boomi integration processes. Develop reusable APIs, components and integration frameworks....
Contract Spy
Aug 18, 2026
Duration not stated
Boomi Developer at Numentica, London/Remote, £Contract Rate
Contract Spy Hybrid (London, UK)
Skills & Experience Job roles: Back End Experience level: Mid, Senior Core skills considered: APIs, REST, SOAP, SQL, Java Other skills considered: Groovy, CI/CD, AWS, Azure Logistics Base salary: Undisclosed Employment type: Freelance/Contract Remote working: Hybrid Visa sponsorship: Not available Job Description We are looking for an experienced Boomi Developer to design, build, test and support integration solutions using the Boomi Enterprise Platform. The role requires strong hands-on development skills across APIs, cloud applications, databases and enterprise systems. Key Responsibilities Develop and maintain integration processes using Boomi. Build integrations between cloud and on-premises applications. Configure Boomi connectors, maps, profiles, process properties and environment extensions. Develop REST,...
Contract Spy
Aug 12, 2026
Duration not stated
Java Developer - Fintech at Adaptive, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
JAVA DEVELOPER - LONDON - CONTRACT OUTSIDE IR35 - FINTECH 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, fintech, and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila, and Montreal, we have a proven track record of delivering powerful, elegant, and intuitive trading technology solutions. We are now looking for a Java Developer to provide services on an exciting project! The service provision will require: Solid JVM skills with strong design patterns. Ability to solve complex technical challenges, especially in cloud-based environments and by...
Contract Spy
Aug 12, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London/Remote, £Contract Rate
Contract Spy London, UK
Contract - Senior Full Stack Developer Job description Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35) Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid understanding of Development...
Contract Spy
Aug 12, 2026
Duration not stated
Full Stack Developer at Deloitte, London/Remote, £Competitive Rate
Contract Spy Hybrid (London, UK)
Contract - Full Stack Developer Job description Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35) Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte. The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This position requires a solid understanding of Development and...
Contract Spy
Aug 10, 2026
Duration not stated
Java and Azure Developer at WPP, London, £Contract Rate
Contract Spy London, UK
Java and Azure Developer : Contract Role London, England, United Kingdom WPP is the trusted growth partner for the world’s leading brands.  We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth.    We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise.   Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow.    For more information,...
Contract Spy
Aug 05, 2026
Duration not stated
Senior Full Stack Developer at Deloitte, London, £Contract Rate
Contract Spy London, UK
Job description   Job Title: Senior Full Stack Developer (contract) Location: London Hybrid. Travel to the London office 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for Senior Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...
Contract Spy
Aug 05, 2026
Duration not stated
Full Stack Developer at Deloitte, London, £Competitive Day Rate
Contract Spy London, UK
Job description   Job Title: Full Stack Developer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer Day Rate: Competitive (Inside IR35)   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   The Role We are looking for an experienced Full Stack Developers to work in the Technology and Transformation Team at Deloitte. You will work with one of our global financial services clients. This...
Contract Spy
Aug 24, 2026
Duration not stated
Application Support Engineer (Windows & Enterprise Applications) at Xoriant, London, £Contract Rate
Contract Spy London Area, United Kingdom
Application Support Engineer (Windows & Enterprise Applications) Contract 12+ months (Inside IR35) Hybrid (2 days a week)   Job purpose Provide 2nd and 3rd line production operational support for our Business Systems, many of which are critical business. Provide remote and on-site support as part of the on-call support Rota. Take a lead role with the delivery of application releases for minor/major projects and programs.   Responsibilities Provide remote and onsite and support for our internally developed business critical applications and 3rd Party vendor packages through Dev, UAT Test and Prod. Manage and escalate problems as appropriate. Investigate defects or problems; work with the internal teams and external vendors to identify workarounds and support any fixes that are required as part of service improvement. Implement changes or fixes to applications. Support other technical changes being made which affect...
Contract Spy
Aug 20, 2026
Duration not stated
Application Support Engineer (Windows & Enterprise Applications) at Xoriant, London, £Contract Rate
Contract Spy London Area, United Kingdom
Application Support Engineer (Windows & Enterprise Applications) Contract 12+ months (Inside IR35) Hybrid (2 days a week)   Job purpose Provide 2nd and 3rd line production operational support for our Business Systems, many of which are critical business. Provide remote and on-site support as part of the on-call support Rota. Take a lead role with the delivery of application releases for minor/major projects and programs.   Responsibilities Provide remote and onsite and support for our internally developed business critical applications and 3rd Party vendor packages through Dev, UAT Test and Prod. Manage and escalate problems as appropriate. Investigate defects or problems; work with the internal teams and external vendors to identify workarounds and support any fixes that are required as part of service improvement. Implement changes or fixes to applications. Support other technical changes being made which affect...
Contract Spy
Aug 18, 2026
Duration not stated
Salesforce QA at Handelsbanken, London, £Contractor Day Rate
Contract Spy London, UK
  Job Reference hbuk/TP/358/2721 Contract Type Day Rate Contractor Closing Date 23 August, 2026 The opportunity  As the Salesforce QA you will be driving forwards the multi-level testing of key system developments. You will be responsible for testing a catalogue of new features, working collaboratively with UK and Swedish development teams, whilst focusing on the timely delivery of agreed outcomes that meet both business and customer needs.  As the Salesforce QA you bring experience in automation testing, to enable a fast feedback loop for the development teams working on business-critical features. Experience of test planning, the ability to develop a test strategy and test approach, particularly tailored to individual releases, will also be essential.  As the UK Bank becomes accustomed to more agile ways of working, it is also important that you are familiar with agile concepts and has proven experience of one or...
Contract Spy
Aug 18, 2026
Duration not stated
Application Support Engineer (Windows & Enterprise Applications) at Xoriant, London, £Contract Rate
Contract Spy London Area, United Kingdom
Application Support Engineer (Windows & Enterprise Applications) Contract 12+ months (Inside IR35) Hybrid (2 days a week)   Job purpose Provide 2nd and 3rd line production operational support for our Business Systems, many of which are critical business. Provide remote and on-site support as part of the on-call support Rota. Take a lead role with the delivery of application releases for minor/major projects and programs.   Responsibilities Provide remote and onsite and support for our internally developed business critical applications and 3rd Party vendor packages through Dev, UAT Test and Prod. Manage and escalate problems as appropriate. Investigate defects or problems; work with the internal teams and external vendors to identify workarounds and support any fixes that are required as part of service improvement. Implement changes or fixes to applications. Support other technical changes being made which affect...
Contract Spy
Aug 17, 2026
Duration not stated
Full Stack Engineer (Graph DB) at UST, London/Remote, £Contract Option
Contract Spy Hybrid (London, UK)
Location:            Leeds or London (Hybrid) Type:                  Contract / Fixed-Term Employment Start:                  ASAP   We’re seeking a Full Stack Engineer with a strong backend focus to help build and modernise the Global Data Network (GDN), a high-impact platform enabling the secure sharing and analysis of fraud intelligence across systems. This is a hands-on engineering role where you’ll work across backend services, data platforms, cloud infrastructure, and UI, contributing to the evolution of a cloud-native, API-driven architecture. You’ll play a critical role in transforming legacy data-sharing approaches into a scalable, real-time, graph-powered platform that enhances fraud detection and intelligence capabilities.  ...
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