Serhii Prykhodko is a Software Architect with nearly a decade of hands-on experience building and scaling high-load systems from scratch, and over 10 years in engineering roles. He has led teams up to 20 people, rebuilt architectures to cut infrastructure and technology footprint while doubling delivery speed, and ran hiring, mentoring and career planning for engineers and DevOps. As Deputy CTO he managed systems handling thousands of RPS and tens of thousands of mixed DB requests, implemented infrastructure-as-code and created a DevOps department from interns into mid-level engineers. He combines backend and operations expertise with mobile iOS contributions—having improved the popular PullToRefresh component—showing he still ships code alongside strategy. Based in Ukraine with a Master's in Information Security, he excels at aligning technical strategy to business goals and driving cost optimizations through pragmatic refactors. Not obvious at first glance: he regularly negotiates cloud pricing and embeds measurable budget reductions into technical roadmaps.
9 years of coding experience
10 years of employment as a software developer
Master's degree, Information security, Master's degree, Information security at Dnipropetrovs'kij Nacional'nij Universitet
Physics and Mathematics Department, Physics and Mathematics Department at Kriviy Rig Central Town Lyceum
This component implements pure pull-to-refresh logic and you can use it for developing your own pull-to-refresh animations
Role in this project:
Mobile Developer (iOS)
Contributions:14 commits, 3 PRs, 4 pushes in 9 days
Contributions summary:Serhii primarily contributed to the `PullToRefresh` iOS component by modifying the Swift code. The commits focused on enhancing the component's functionality, including fixing initialization issues, updating the refresh view's frame based on scroll view width, implementing an `isEnabled` property for user control, and updating the demo project. These modifications indicate the user was actively involved in refining the component's behavior and integrating it into a demonstration application.
Contributions:13 pushes, 1 branch, 2 issues in 1 year 9 months
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Serhii Prykhodko - Software Architect at Self-employed