Overview

Python Developer - sought by leading investment bank based in Canary Wharf - Contract - Hybrid

Key Responsibilities

• Develop and optimize Python calculators for:
• Historical index back-testing
• Daily pricing and index computation
• Weighting and rebalancing logic
• Attribution and decomposition analytics
• Build robust APIs using FastAPI or Flask
• Collaborate directly with business users to gather requirements and iterate quickly
• Implement testing, versioning, and data validation processes
• Ensure integration with internal data sources and reporting tools

Required Skills

• 5+ years of Python development experience, ideally in financial services or commodities
• Strong proficiency in Pandas, NumPy, and time-series data manipulation
• Proven experience with FastAPI or Flask
• Familiarity with large datasets and real-time data pipelines
• Excellent debugging, profiling, and performance optimization skills
• Strong communication skills and ability to work with non-technical stakeholders

Preferred Skills

• Experience with commodities indices or structured products
• Knowledge of market data platforms (e.g., Bloomberg, Refinitiv)
• Exposure to Docker, AWS/GCP, and database systems (SQL/NoSQL)

Please apply within for further details - Matt Holmes, Harvey Nash