Sergey Krapivenskiy
Senior IOS Developer at Goodnotes
Castelldefels, Catalonia, Spain
Summary
🤩
Rockstar🎓
Top SchoolSergey Krapivenskiy is a senior iOS developer with 11+ years of hands-on experience building and scaling mobile products, currently contributing to Goodnotes. He has a proven track record delivering features and performance improvements for large-scale apps with millions of daily users, and has repeatedly led teams as tech lead and Head of Mobile. Sergey excels at mentoring—several of his mentees progressed to senior and lead roles—and at architectural work such as modularization and backend-driven UIs that speed development and reduce build times. He’s an active iOS community member who presents at and organizes major mobile conferences, and brings rare experience shipping both consumer super-app features and B2B SDKs. Based in Castelldefels, Spain, he combines deep technical craft with product-minded leadership and a knack for turning legacy codebases into reliable, scalable platforms.
11 years of coding experience
10 years of employment as a software developer
Lomonosov Moscow State University
English, Russian
Github Skills (41)
architecture10
viper10
image9
sdwebimage9
png9
jpeg9
webp9
swift8
modeling8
watchos8
websocket-client8
gif8
circular-progress-bar8
heif8
asynchronous7
Programming languages (5)
Github contributions (5)
serkrapiv/SDWebImageCacheTest
Sep 2015 - Oct 2017
Contributions:2 PRs, 1 push, 2 branches in 2 years 1 month
serkrapiv/serkrapiv.github.io
Feb 2017 - Oct 2017
Contributions:2 PRs, 5 pushes, 2 branches in 8 months
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