Python Developer - Commodities

The Role A leading global financial institution is seeking a Python Developer (Contract) to join its Commodities Technology team. This group supports a fast-growing Commodities Index business that spans Oil, Gas, Power, Agriculture, and Metals, providing advanced analytics and tools for structuring and trading. You will play a key role in designing and delivering a new index back-testing platform, working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities • Develop and enhance Python-based models for: • Historical index back-testing • Daily pricing and index level generation • Weighting and rebalancing logic • Basket decomposition and attribution analytics • Design and deploy scalable APIs (Flask / FastAPI) for internal and external tools. • Partner with business users to gather requirements and iterate quickly on solutions. • Implement testing frameworks, version control, and data validation processes. • Integrate with market data, storage systems, and reporting platforms. Required Skills • 5+ years' Python development experience, ideally within trading, risk, or financial services. • Strong background with Pandas, NumPy, and data science libraries. • Hands-on experience with Flask or FastAPI for API development. • Proficiency in time-series data manipulation and back-testing methods. • Experience working with large datasets and real-time data pipelines. • Strong performance optimisation and debugging skills. • Confident communicator with the ability to liaise directly with business stakeholders. Desirable Skills • Experience in commodities indices, structured products, or index engineering. • Knowledge of market data feeds (Bloomberg, Refinitiv, etc). • Familiarity with containerisation (Docker) and cloud platforms (AWS/GCP). • Database experience (SQL/NoSQL) and use of modern data formats (Parquet, HDF5). Contract: Initial term with possible extension Day Rate: Competitive, depending on experience McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.