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5 senior java developer jobs found in London

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London 6 Months or more senior java developer
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£400 - £500  (2)
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Contract Spy
May 15, 2026
6 Months or more
Senior Java Developer - Capabilities at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team; playing an integral part in helping them continuously improve by sharing your own knowledge, experience and insights. You will be confident in challenging business requirements to ensure you are continuously delivering the best possible outcome, harnessing innovation and driving the adoption of new technologies to deliver business value. Your vision and ambition will contribute to shaping our online technology roadmap, influencing our future technical direction and balancing passion with precision to deliver exceptional online service and solutions for our customers.   This is an initial six month contract that sits...
Contract Spy
Jun 08, 2026
6 Months or more
Back-End Developer (Java &Spring Boot/GCP) at Methods, London, 6 Months, £490 per day
£490 per day
Contract Spy London Area, United Kingdom
Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit. Rate: £490 inside IR35 Duration: 6 month initially Location: Hybrid; 3days/w in London office   Requirements:   Architectural Rebuild: Play a role in migrating and rebuilding our core architecture in Java Spring Boot to align with a composable, cloud-native landscape. Connector Development: Design and optimize technical connectors for a diverse mix of global channels, including generalist marketplaces, social commerce (eg, TikTok Shop), and quick-commerce (eg, Glovo, Deliveroo). Catalog Publication Flow: Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs. Business Logic Migration: Collaborate on transferring complex Legacy...
Contract Spy
Jun 01, 2026
6 Months or more
Back-End Developer (Java &Spring Boot/GCP) at Methods, London, 6 Months, £490 per day
£490 per day
Contract Spy London Area, United Kingdom
Methods is looking for a Back End Developer specialising in Java Spring Boot and GCP(Google Cloud Platform) to join our team within the private Sector Business unit. Rate: £490 inside IR35 Duration: 6 month initially Location: Hybrid; 3days/w in London office   Requirements:   Architectural Rebuild: Play a role in migrating and rebuilding our core architecture in Java Spring Boot to align with a composable, cloud-native landscape. Connector Development: Design and optimize technical connectors for a diverse mix of global channels, including generalist marketplaces, social commerce (eg, TikTok Shop), and quick-commerce (eg, Glovo, Deliveroo). Catalog Publication Flow: Refocus efforts on rebuilding the catalog publication flow, addressing technical complexities such as category mapping, product variant synchronization, and asynchronous marketplace APIs. Business Logic Migration: Collaborate on transferring complex Legacy...
Contract Spy
May 28, 2026
6 Months or more
Lead Developer - SC Cleared at Ministry of Justice, Remote, 6 Months, £Contract Rate
Contract Spy Remote (London, UK)
SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active SC clearance.    The Ministry of Justice (MoJ) priorities include improving public safety and reducing reoffending by reforming prisons, probation and youth justice, and building a justice system which makes access to justice swifter and more certain for all citizens whatever their background. Project professionals in the MoJ help to improve the government's ability to protect the public and reduce reoffending, and to provide a more effective, transparent and responsive criminal justice system for victims and the public.   As a  Lead Developer , your main responsibilities will be:...
Contract Spy
May 15, 2026
6 Months or more
Senior Software Engineer at GlobalLogic, London Area, 6-9 Months, £Contract Rate
Contract Spy London Area, United Kingdom
We are GlobalLogic, a Hitachi Group Company and a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, complex engineering, and data expertise - we help our clients imagine what’s possible and accelerate their transition into tomorrow’s digital businesses.   At GlobalLogic, we have a strong track record of successfully delivering ground-breaking Cloud, Data & Digital Transformation programmes and we have an international reach working with a wide variety of projects and customers. Our approach enables companies to “build the exceptional” and be fit for purpose in the 21st century.   We are seeking Contract Full-stack Platform Engineers to join a dedicated niche team delivering and evolving our clients' technology platforms. Entailing full lifecycle development with Kanban or Scrumban, with...
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