Senior Python Developer – Market Risk Platform (Hybrid)

McGregor Boyall; Greater London; Hybrid; GBP 150,000 - 190,000; Full time

Job summary

McGregor Boyall is seeking an experienced Python Developer with strong Market Risk knowledge to join a leading global investment bank in London. The role focuses on building a new generation Risk Management platform, replacing legacy systems across asset classes including Equities, FX, Fixed Income and Mortgages, with a hybrid work arrangement.

You will design and implement high‑performance risk applications in Python, work with Risk Managers to translate requirements, and leverage Snowflake

Qualifications

• Strong commercial Python development experience.
• Experience developing Market Risk or closely related risk technology.
• Good understanding of VaR, Greeks and sensitivities.
• Strong database and SQL knowledge.
• Experience with Snowflake highly desirable.
• Experience building scalable or distributed applications.
• Understanding of financial products and their associated risk.
• Experience working directly with Risk Managers, Quants or Front Office stakeholders.
• AWS experience beneficial, C#/.NET experience would be advantageous.
• Experience across Equities, Fixed Income, Credit, FX or Commodities.

Responsibilities

• Building high performance risk applications primarily in Python.
• Developing functionality as new asset classes are onboarded to the platform.
• Working with large position, reference and market data sets held within Snowflake.
• Improving the performance of distributed risk calculations.
• Investigating pricing and risk discrepancies between the new and legacy platforms.
• Working directly with Risk Managers to understand requirements and translate them into technical solutions.
• Supporting risk measures including VaR, Greeks, sensitivities and P&L.
• Helping shape a strategic platform that will ultimately support risk management across the firm.

Skills

Python

Market Risk

SQL

Tools

Snowflake

AWS

C#/.NET

Job description

McGregor Boyall is seeking an experienced Python Developer with strong Market Risk knowledge to join a leading global investment bank in London. The role focuses on building a new generation Risk Management platform, replacing legacy systems across asset classes including Equities, FX, Fixed Income and Mortgages, with a hybrid work arrangement.

You will design and implement high‑performance risk applications in Python, work with Risk Managers to translate requirements, and leverage Snowflake