Sergey Petruk
Chief Technical Officer at Tinkoff
Moscow, Moscow, Russia
Summary
👤
Senior🎓
Top SchoolSergey Petruk is a pragmatic technology and product leader with 13+ years in software engineering and over a decade of management experience, now serving as CTO at Tinkoff. He built Qiwi’s IT organization from the ground up, driving automation that cut routine work by up to 70%, tripled time-to-market, and enabled transparent P&L metrics with a 370% ROI. A former mobile engineer who led the migration to Swift/Kotlin Multiplatform and introduced Backend-Driven UI and CI/CD for mobile, he blends hands-on engineering chops with strategic architecture and hiring at scale. Sergey is skilled at turning operational complexity into measurable business outcomes—evident in rapid hiring of 260 engineers in a year and initiatives that directly increased profit and conversion. Based in Moscow, he couples applied-math training with practical product instincts to deliver resilient, measurable platforms.
11 years of coding experience
12 years of employment as a software developer
Applied mathematics and computer science, Applied mathematics and computer science at Bryansk State University
Русский, English
Stackoverflow
781reputation
153kreached
14answers
1question
singleton
top-5%
Github Skills (56)
android-app10
ios9
networking9
ruby9
keyboard9
fastlane9
android9
automation9
singleton9
mobile9
tvos9
watchos9
android-apps9
apple-pay9
macos9
Programming languages (8)
Github contributions (5)
Spetruk/librlottie-Xcode
Jul 2023 - Jul 2026
A wrapper for librlottie + Xcode project. Support Carthage && CocoaPods && SwiftPM.
Contributions:2 releases, 3 pushes, 2 tags in 3 years
qiwi/apple-pay-in-app-provisioning-utils
Jul 2020 - Jul 2021
Helpers for in-app-provisioning + add card to apple pay button
Contributions:3 reviews, 19 commits, 1 PR in 1 year
apple-payprovisioning
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