Sergei Kozelko
Senior Software Engineer at BIGO
Singapore
Summary
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Rockstar🎓
Top SchoolSergei Kozelko is a Senior Software Engineer based in Singapore with nine years of experience and a strong focus on native Android development in Kotlin. He has shipped features and improved stability on large consumer apps at Yandex and now contributes to mobile products at BIGO, pairing UI work with test automation and occasional low-level C++ integrations. An active contributor to Android open-source projects, Sergei has enhanced the popular Infinity-for-Reddit client with theming, markdown rendering, and media/gallery fixes—showing attention to UX details beyond core logic. He holds both bachelor's and master's degrees in Computer Science from ITMO University and brings a pragmatic mix of product-facing feature delivery and behind-the-scenes technical craftsmanship.
9 years of coding experience
2 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at ITMO University
Russian, English, French
Stackoverflow
806reputation
25kreached
35answers
2questions
Github Skills (14)
markdown10
javas10
markdown-it10
reddit10
android10
java10
ui-design8
android-intent6
kotlin6
eventsource6
gradle-plugin6
spring-mvc6
spring6
gradle6
Programming languages (13)
Github contributions (5)
Docile-Alligator/Infinity-For-Reddit
Aug 2022 - Jan 2023
A Reddit client for Android
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:40 reviews, 35 commits, 33 PRs in 5 months
Contributions summary:Sergei primarily contributed to the development of the Android application, "infinity-for-reddit," implementing features, and fixing bugs. The user made changes related to loading previews, theming, and markdown rendering within the app. The contributions also encompassed UI improvements, such as fixing gallery layouts and enhancing the handling of comments.
androidkotlinreddit-clientjavareddit
tabasavr/oeis-android
Feb 2019 - Feb 2023
Unofficial Android OEIS client
Contributions:90 commits, 93 PRs, 93 pushes in 4 years
oeisandroidandroid-appandroid-applicationcrowdin
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