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2 senior software engineer jobs found

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senior software engineer Belfast
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Duration not stated  (1) 6 Months or more  (1)
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Contract Spy
Jul 16, 2026
6 Months or more
Cyber-Security/Information Security Senior Threat Modeler at Deloitte, Belfast, 6 Months, £Competitive Day Rate
Contract Spy Belfast, UK
Role: Senior Threat Modeler Location: London / Belfast Start Date: ASAP End Date: 6 Months Daily Rate: Competitive Day Rate, Inside IR35 Payroll provider – Rockford Payroll Info for Contingent Workers – Rockford Pay Responsibilities Threat Modeling using a documented process. Development of automation tools as required. Maintain a high standard of work in identifying threats and specifying mitigating controls. Attending to the lifecycle of identified threats and controls. Delivery of threat models and supporting tasks within existing timeframes. Provide feedback, support, and improvements to the existing threat modeling process. Present work to seniors, the team, and other technical teams. Train newer members of the team Supervise junior members of the team Run parts of our threat model service Work with little supervision to complete work Develop, test, and deploy secure and efficient Python-based...
Contract Spy
Jul 20, 2026
Duration not stated
QA Engineer at Instil, Belfast, £Contract Rate
Contract Spy Belfast, Northern Ireland, United Kingdom
The Role We’re looking for a QA Engineer to join our engineering team in Belfast, helping ensure the quality of the software we deliver across a range of projects. This is a hands-on role where you’ll focus on building out automation, improving test coverage, and working closely with engineers to make quality part of the development process, not something that happens at the end. You’ll be working in fast-moving, agile teams, contributing to how we test, release, and continuously improve the systems we build. What You’ll Be Doing Build and maintain automated tests for web-based applications using tools like Playwright Automate tests across both user interfaces and backend services Expand and maintain automated regression test suites to support reliable releases Integrate testing into CI/CD pipelines to support continuous delivery Contribute to test strategies and quality approaches across projects Set up and manage test...
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