https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--3b725bd5-6dd6-4ff4-be01-cd0fec914200 RSS feed for Senior Software Developer at Spectrum IT Recruitment. en-gb Wed, 07 Oct 2026 19:45:16 GMT https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--3b725bd5-6dd6-4ff4-be01-cd0fec914200 https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--3b725bd5-6dd6-4ff4-be01-cd0fec914200 Tue, 06 Oct 2026 23:00:00 GMT Location: City of London | Salary: £120000 - £140000/annum | Type: Permanent | An exciting opportunity for an experienced Senior Software Developer to join a highly technical engineering team building sophisticated software used across trading and quantitative research . This is a role for a strong C#/.NET engineer who enjoys solving difficult technical problems, working on performance-critical systems and having genuine input into how software is designed and built. You''ll work across both greenfield development and established platforms , creating scalable, reliable and high-performance applications that directly support trading strategies and quantitative research. As a senior engineer, you''ll have significant influence over architecture, technical direction and engineering standards , while collaborating closely with quantitative researchers, traders and other experienced technologists. What You''ll Be Doing Design and build high-performance applications using C# and modern .NET Take ownership of complex development projects from initial design through to production Influence architecture, technical design and engineering direction Build scalable systems supporting automated trading, quantitative research and data-driven ap... Permanent