Python Quant Developer – Systematic Equities Team £800-£900/day inside IR35 | 6-month rolling contract | Hybrid (3 days in office) A major financial player is looking for a Python Quant Developer to support one of their systematic equities investment teams. This is a hands-on role sitting within the technology function, working closely with the front office on quant analytics and data-driven investment models. You’ll be focused on enhancing and maintaining the core analytics platform – handling everything from integrating new MSCI data sets to optimising complex calculations used in portfolio construction and alpha generation. Key responsibilities: Work with MSCI and other structured data feeds – identify gaps, map schema changes, and ensure accurate downstream calculations Translate investment logic into efficient, production-grade Python code Optimise performance of existing quant models and analytics Manage and enhance data workflows – Snowflake, AWS, Python Liaise daily with investment professionals to understand requirements and deliver solutions What we’re looking for: Strong Python developer with deep experience using statistical and numerical libraries (NumPy, pandas, SciPy etc.) Proven experience supporting quant or systematic investment strategies Good understanding of infrastructure – ideally AWS and Snowflake – and willingness to own setup and tooling Comfortable working in fast-paced front office environments with direct exposure to the investment team Detail-oriented, pragmatic, and able to work independently Initial 6-month contract with long-term scope. Hybrid working model (3 days in the office). Up to £900/day, may be some flex for top end candidates.