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7 senior java developer jobs found in London

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6 Months or more London senior java developer
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Contract Spy
May 08, 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
Apr 30, 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
Apr 23, 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
Apr 27, 2026
6 Months or more
Engineering Manager (Front-End) at Mindera, London Paddington, 6 Months, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
Description We are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams -designing, building, releasing, and maintaining high-quality digital products. You will play a key role in shaping and growing a best-in-class frontend engineering capability, establishing modern development practices and building scalable, high-performance web applications. This is an initial 6-month contract (outside IR35) requiring 3 days per week onsite in Paddington, London. Key Accountabilities Team Leadership Build, mentor, and lead a high-performing team of frontend engineers specialising in React, Next.js, and TypeScript. Foster a culture of collaboration, technical excellence, and...
Contract Spy
May 11, 2026
6 Months or more
Full Stack Developer at CACI Network Services, London, 6-12 Months, £Contract Rate
Contract Spy London, UK
About CACI From our headquarters in London, we're busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations take place from multiple offices across the UK, Europe and India with over 1600 Full time employees and an annual turnover of £179m. Our expertise spans industries, from retail and education to public sector and transport - delivering intelligent solutions that drive progress and create measurable impact. Whether it's business intelligence, customer marketing, cloud infrastructure, cybersecurity, critical national infrastructure or data management, our approach is never one-size-fits-all. We don't just deliver solutions; we build for the tomorrow's world, all while fostering a culture that allows employees to be their authentic selves and succeed in their careers. About Network Services CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a...
Contract Spy
Apr 29, 2026
6 Months or more
Engineering Manager at Mindera, London Paddington, 6 Months initial, £Contract Rate (Outside IR35)
Contract Spy Paddington, London, UK
We are seeking a passionate Software Engineering Manager who will provide technical expertise and operate with excellence. Being creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams - designing, building, releasing, and maintaining products. You will play a key role in driving our ambition to create a best-in-class software engineering team, environment, and culture. This is an initial 6 month contract (outside IR35) that requires you to work on client site 3 days a week in London, Paddington.   Your key accountabilities will include: • Team Management: Build, mentor, and manage a high-performing software engineering team. Foster a culture of collaboration, innovation, and continuous improvement within the team. Facilitate communication and collaboration among team members. Ensure budgets, people and resource allocation, and workload, balance across projects. • Agile Delivery:...
Contract Spy
May 11, 2026
6 Months or more
Automation Test Engineer at HM Land Registry, Croydon, 11 Months, £Contract Rate
Contract Spy Croydon, UK
You will be accountable for providing practical testing expertise, particularly in test automation, within the team. They will be accountable for producing and maintaining robust and efficient automated test packs. You are responsible for the creation on the projects Quality Strategy and will work with the team to ensure that quality is built into every part of the product. You have a key role in assuring the quality of the product being delivered and escalating significant concerns, issues or risks in a timely manner. The Test Engineer leads on test activities within the team, working collaboratively with developers to support a continuous deployment environment. This role requires a strong Automation Test Engineer (SDET) with solid coding ability.   Responsibilities Accountable for the provision of practical advice and guidance to team members on quality assurance and lifecycle testing. Accountable for translating functional and non-functional...
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