Sergey Petruk currently serves as the Chief Technical Officer at Tinkoff since September 2025. Previously, Sergey held the position of Engineering Manager at Qiwi from January 2017 to September 2025, where significant contributions included automating 70% of routine IT tasks, establishing an IT department, and implementing a product-based approach that improved profit margins by 25%. As Team Lead at Qiwi, Sergey was instrumental in developing a Backend-Driven UI and advancing mobile architecture, resulting in a threefold acceleration in time-to-market without expanding the team. Sergey holds a degree from Bryansk State University, earned between 2006 and 2011.
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