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7 senior software engineer jobs found

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United Kingdom up to 6 Months senior software engineer
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Contract Spy
May 05, 2026
up to 6 Months
Senior Software Engineer - Java at Pulselive, Basingstoke, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Basingstoke, UK
Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a Senior Software Engineer (Java) – Contractor at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring Boot...
Contract Spy
Apr 27, 2026
up to 6 Months
Senior Software Engineer - Java at Beyond Sports, Basingstoke, 3 Months+, £400-£500 per day (Outside IR35)
£400 - £500 per day
Contract Spy Basingstoke, UK
Senior Software Engineer – Java (Contractor) Outside IR35 Rate: £400 - £500 per day Duration: 3 Months Plus Start Date: ASAP   As a  Senior Software Engineer (Java) – Contractor  at Pulselive, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.   Key Responsibilities: Design and develop scalable backend systems using Java and Spring...
Contract Spy
May 21, 2026
up to 6 Months
Senior Software Engineer, Native Applications and Networking at Secure Code Warrior, London, 3 Months, £Contract Rate
Contract Spy London, UK
Join Secure Code Warrior to create a safer digital landscape by assisting companies to secure their software through developer-led practices!   Secure Code Warrior’s mission is to establish new standards for coding that transform the ways software is created. We do this by providing the world’s leading agile learning platform that delivers the most effective secure coding solution for developers to learn, apply, and retain software security principles. More than 600 enterprises trust Secure Code Warrior to implement agile learning security programs, build safer software, and create a culture of developer-driven security. We are a venture-backed company with offices in Australia, the United States, Belgium, Iceland, and the United Kingdom.   Secure Code Warrior is seeking a Senior Engineer to take long-term ownership of our core system-level product suite across Windows and macOS. In this contract role, you will be the architectural...
Contract Spy
May 07, 2026
up to 6 Months
Senior Software Engineer, Native Applications and Networking at Secure Code Warrior, London, 3 Months, £Contract Rate
Contract Spy London, UK
Join Secure Code Warrior to create a safer digital landscape by assisting companies to secure their software through developer-led practices!   Secure Code Warrior’s mission is to establish new standards for coding that transform the ways software is created. We do this by providing the world’s leading agile learning platform that delivers the most effective secure coding solution for developers to learn, apply, and retain software security principles. More than 600 enterprises trust Secure Code Warrior to implement agile learning security programs, build safer software, and create a culture of developer-driven security. We are a venture-backed company with offices in Australia, the United States, Belgium, Iceland, and the United Kingdom.   Secure Code Warrior is seeking a Senior Engineer to take long-term ownership of our core system-level product suite across Windows and macOS. In this contract role, you will be the architectural...
Contract Spy
Apr 29, 2026
up to 6 Months
Senior Software Engineer, Native Applications and Networking at Secure Code Warrior, London, 3 Months, £Contract Rate
Contract Spy London, UK
Full job description Join Secure Code Warrior to create a safer digital landscape by assisting companies to secure their software through developer-led practices!   Secure Code Warrior’s mission is to establish new standards for coding that transform the ways software is created. We do this by providing the world’s leading agile learning platform that delivers the most effective secure coding solution for developers to learn, apply, and retain software security principles. More than 600 enterprises trust Secure Code Warrior to implement agile learning security programs, build safer software, and create a culture of developer-driven security. We are a venture-backed company with offices in Australia, the United States, Belgium, Iceland, and the United Kingdom.   Secure Code Warrior is seeking a Senior Engineer to take long-term ownership of our core system-level product suite across Windows and macOS. In this contract...
Contract Spy
Apr 29, 2026
up to 6 Months
Full Stack Software Engineer at Paloma Health, Remote/London, 3-5 Months, £Freelance Rate
Contract Spy London Area, United Kingdom
Time commitment: Freelance project lasting around 3 to 5 months Location: Hybrid or Remote Reporting to: VP of Technology, Avishai Gurt   About Paloma   Paloma’s mission is to make children’s autism and ADHD assessments and care available on the NHS within 4 weeks of GP referral. We are making this possible by setting a new standard for high-quality autism and ADHD care, building great software & AI tools, and investing in clinicians' learning & development.   Mark and Darshak founded Paloma due to their frustration that families are waiting 4-10 years for NHS children’s autism and ADHD assessments. This crisis in NHS children’s neurodevelopmental services has been highlighted by the Children’s Commissioner for England here:...
Contract Spy
May 01, 2026
up to 6 Months
Salesforce Test Automation Engineer at UK Research & Innovation, Remote/Swindon, 4 Months, £Contract Rate
Contract Spy Remote (Swindon, UK)
As a Salesforce Test Automation Engineer, you will influence quality at all stages of the project, driving continuous improvement and getting involved with requirements, analysis, design, testing and release of enterprise level software applications. You will work to ensure the successful delivery of the major platform work items from different IT projects through robust integration and test processes.   The ideal candidate for this role will be able to demonstrate experience with Acceptance testing (Including UAT), Exploratory Testing and Automation of functional and non-functional requirements. You will need to have an aptitude to pick up new skills quickly and a desire to provide coaching and mentoring to other testers within the team and other areas of the organisation.   Experience of Salesforce projects and SFDC platform experience is required for this role.   Key Responsibilities and Accountabilities: Identify and raise awareness of...
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