Principal C# Full Stack EngineerFULL ONSITE: London, £130,000 to £160,000This role provides the opportunity to operate at a strategic level while remaining hands-on. You will shape architecture, guide engineering standards, and work on highly complex, performance-critical systems.The Company They are a well-established, data-driven organisation with a strong engineering foundation. Technology is central to their success, and they are investing heavily in scaling their platforms. Their structure is flat, enabling senior engineers to have real influence over technical direction and business outcomes.The Role Define and drive architectural decisions across C# and .NET platforms Lead the delivery of complex, high-performance systems Set engineering standards and best practices across teams Collaborate with leadership on technical strategy and roadmap Mentor senior engineers and support overall team developmentYour Skills and Experience Deep expertise in C# and .NET with a strong engineering track record Experience designing and implementing large-scale distributed systems Strong understanding of performance engineering and optimisation Ability to influence technical strategy and guide teams Excellent communication and leadership capabilitiesWhat They Offer Strategic influence within a growing engineering team Opportunity to work on complex and cutting-edge systems A culture that values autonomy, ownership, and technical excellenceHow to Apply Apply now with your CV to discuss ..... full job details .....