Citi grafts modern CI/CD on to a 200-year-old bank

The banking behemoth's software pipeline serves 30,000 developers, 2,500 applications and 850,000 builds per month. It's swapped Jenkins for Tekton, udeploy for Harness, and...

By Stephen Pritchard

Sep 29, 2025 11:10 AM 4 min read

Citi grafts modern CI/CD on to a 200-year-old bank — Citi's's Jason Morris, (l) and Stefanos Piperoglou (r). Credit: Stephen Pritchard.

“Over half our users push a commit in around four minutes,” said Stefanos Piperoglou, head of product, software delivery platform at Citi.

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Stephen Pritchard

Stephen Pritchard is a freelance journalist. He covers enterprise technology, aerospace and defence. He is also a broadcaster and podcast presenter and worked as a journalist for over 25 years.