Senior Python Developer — Counterparty Credit Risk, Hybrid

Company: Citigroup Inc.
Apply for the Senior Python Developer — Counterparty Credit Risk, Hybrid
Location: London
Job Description:

Citigroup Inc. in London seeks a Senior Developer for Counterparty Credit Risk. You will develop and maintain the ACE production application using Python and C++ libraries, partnering with Quant and Front Office tech teams to integrate pricing models and workflows.

Responsibilities include improving CI/CD, optimizing performance across asset classes, extending tests, and mentoring junior developers. Strong English communication is essential, with cross-platform development on Windows and Linux.

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Posted: October 21st, 2026