https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--f5c489f4-8e7f-4b2c-87c0-2a3166aea58d RSS feed for Senior Software Developer at Spectrum IT Recruitment. en-gb Thu, 08 Oct 2026 14:59:01 GMT https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--f5c489f4-8e7f-4b2c-87c0-2a3166aea58d https://jobs.co.uk/job/senior-software-developer-spectrum-it-recruitment--f5c489f4-8e7f-4b2c-87c0-2a3166aea58d Thu, 08 Oct 2026 11:57:16 GMT Location: City | Salary: 120000.00-120000.00 Annual | 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 DoingDesign and build high-performance applications using C# and modern .NETTake ownership of complex development projects from initial design through to productionInfluence architecture, technical design and engineering directionBuild scalable systems supporting automated trading, quantitative research and data-driven applicationsWork directly with researchers ... Permanent