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 and traders to turn complex requirements into robust software solutionsDesign and optimise relational database solutions using SQL Server, Oracle or similarIdentify and resolve performance bottlenecks across applications and databasesDevelop reliable, maintainable and highly scalable softwareWork ..... full job details .....