https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--2eb6872d-2487-4d6a-baad-1970528dcc61 RSS feed for Senior Software Developer at Spectrum IT Recruitment. en-gb Tue, 20 Oct 2026 19:11:56 GMT https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--2eb6872d-2487-4d6a-baad-1970528dcc61 https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--2eb6872d-2487-4d6a-baad-1970528dcc61 Tue, 20 Oct 2026 11:53:54 GMT Location: London | Salary: 10000-500000 Annual | Type: Permanent | Excellent opportunity for a Senior Software Developer to play a key role in architecting, developing, and enhancing our clients in-house trading and research systems. This is an opportunity to work on greenfield projects, influence architectural decisions, and directly impact systems that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C# / .NET / SQL Server / ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability, and automation across systems Mentor junior developers and promote best engineering practices Participate in code reviews and enforce high standards of quality Collaborate closely with researchers and trader... Permanent