Senior Python Developer — Counterparty Credit Risk, Hybrid

Citigroup Inc. · London, England ·

Last confirmed by our partners on 23 Oct 2026.

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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.

Apply on partner site Listing supplied by one of our partner job boards. Last confirmed: 1 week ago.

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