C# Software Engineer/Quantitative Developer (Junior and Senior) - Global Hedge Fund - C# & Python: £80-150k

As a C# skilled Software Engineer/Quant Developer, you\’ll work closely with portfolio managers, researchers, and data scientists to build and maintain the systems that drive our alpha-generating strategies. You’ll contribute to every part of the investment pipeline—from research tooling and data infrastructure to real-time trading systems. Key Responsibilities: Design, develop, and optimize high-performance trading tools and data pipelines using C# and ideally Python Build research platforms that empower quantitative analysts and strategists Integrate and manage large, complex datasets from a variety of sources Collaborate with quants and PMs to implement and backtest trading models Ensure robustness and scalability in both real-time and batch environments What We’re Looking For: Strong programming experience with C# Solid understanding of software engineering principles, design patterns, and performance tuning Experience in financial markets (equities, futures, FX, etc.) is a plus, but not required Familiarity with data science tools, APIs, and time-series databases is beneficial Self-starter attitude with a sharp eye for detail and a high level of ownership Why Join? Competitive compensation + performance bonuses Direct impact on trading and research performance Flat, collaborative culture with exposure to senior stakeholders State-of-the-art technology stack and hardware Opportunity to work on greenfield projects in a fast-moving environment