Alfred Zien
Team Lead at Yandex
Belgrade, Central Serbia
Summary
👤
Senior🎓
Top SchoolAlfred Zien is a Team Lead and iOS engineer based in Belgrade with 11 years in software development and 9+ years focused on shipping AI-powered mobile products. At Yandex he progressed from junior developer to team lead, contributing to high-performance features like a 60fps news feed on legacy iPads and the initial iOS UI for the Alice voice assistant. He pairs deep UIKit and Core Animation expertise with practical experience navigating large C++ codebases (WebKit/Chromium) and Xcode build intricacies. Known for shipping pragmatic, high-impact solutions fast, he has also reverse-engineered simulator binaries to diagnose platform issues—an uncommon skill that accelerates debugging at the OS boundary.
11 years of coding experience
6 years of employment as a software developer
not finished, Computer Science, not finished, Computer Science at MEPHI
Spanish, English, Russian
Stackoverflow
1,034reputation
100kreached
13answers
24questions
Github Skills (38)
programming-language10
ios10
react-native10
image-file10
driver10
xcode-extension10
android10
coregraphics10
command-line-tool10
swift10
react10
cross-platform9
mobile9
sequence9
gn9
Programming languages (4)
Github contributions (5)
zienag/cggen
May 2021 - Jun 2026
Tool for generating Core Graphics code from vector image files
Contributions:3 PRs, 69 pushes, 70 branches in 5 years 1 month
imagecore-graphicsvectorimage-filesgraphics
yandex/cggen
Oct 2017 - Oct 2022
Tool for generating Core Graphics code from vector image files
Contributions:4 releases, 29 reviews, 132 commits in 5 years
coregraphicsimage-file
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