Principal Developer

Senior Risk IT Developer – Commodity Trading – London – Full Time Permanent

We’re partnering with a global leader in commodity trading, to find an exceptional Senior Risk IT Developer for their Risk IT team. This is a rare opportunity to help architect a next-generation, cloud-native risk platform from the ground up, with a focus on speed, scale, and precision.

Why this role stands out:

• Greenfield build. No legacy constraints; full scope for innovation.
• High-impact team. A small, expert group delivering real results.
• Modern tech stack. Python, C++, ClickHouse, and Iceberg.
• Strategic scope. Shape how the client manages market risk across global portfolios.
• Real technical challenge. Real-time VaR, billions of rows, seconds to compute.

What you’ll bring:

• Strong engineering skills in Python, Java and C++.
• Solid understanding of market risk metrics (e.g. VaR).
• A problem-solving mindset and the drive to build from first principles.