Sergei Pimenov is a Staff iOS engineer in San Jose with 13 years of experience scaling consumer products at big tech and in startups. He has led teams that delivered a projected $100M annual GMV impact at eBay and currently focuses on ad metrics at Pinterest, blending hands-on engineering with product-level impact. As a founder and early-stage engineer he shipped MVPs and learned the hard lessons of burning runway, bringing pragmatic judgment to trade-offs. His work spans UIKit and SwiftUI, including reusable chart components widely adopted across large apps, and he has a track record of improving performance and retention through engineering and open-source tooling. Comfortable across mobile and macOS, he pairs an Applied Mathematics background with deep performance optimization expertise honed on apps serving tens of millions. Colleagues rely on him for shipping polished user experiences that move business metrics.
13 years of coding experience
9 years of employment as a software developer
Bachelor's degree Applied Mathematics And Informatics, Bachelor's degree Applied Mathematics And Informatics at Kazan State University
Contributions:23 commits, 2 PRs, 30 pushes in 1 year
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