Aleksandr Efremenkov
Senior Android Engineer at Bolt
Tallinn, Harju County, Estonia
Summary
👤
Senior🎓
Top SchoolAleksandr Efremenkov is a seasoned Android engineer with a decade of hands-on experience delivering scalable mobile solutions and secure infrastructure. Based in Tallinn, Estonia, he leads Android development at Bolt, building robust CI/CD pipelines, core Android infrastructure, and mobile security features. As a Google Developer Expert in Android, he is recognized for his expertise and thought leadership while not being a Google employee. His career spans senior and leadership roles at Yandex and Alibaba, with a strong track record across backend and Android ecosystems, including microservices and tooling for security. He has also shared his knowledge publicly through the AndroidDev Podcast, reflecting a commitment to community and continuous learning.
10 years of coding experience
8 years of employment as a software developer
Smolensk Polytechnic College
Русский, English, Russian, Ukrainian, Estonian
Stackoverflow
151reputation
20kreached
3answers
5questions
Github Skills (192)
webextension10
safari10
ipc10
data-storage10
firefox10
byte10
browser-extension10
storage10
serialization10
disk10
gson10
android10
sharedpreferences10
preference10
chrome10
Programming languages (12)
Github contributions (5)
iamironz/lightweight-fragments
Jan 2016 - Apr 2017
Contributions:59 commits, 55 pushes, 3 branches in 1 year 2 months
yandextaxitech/binaryprefs
Dec 2016 - Jun 2020
Rapidly fast and lightweight re-implementation of SharedPreferences which stores each preference in files separately, performs disk operations via NIO with memory mapped byte buffers and works IPC (between processes). Written from scratch.
Contributions:2 releases, 1006 commits, 62 PRs in 3 years 6 months
memoryre-implementationdata-storagebuffersnio
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