Kostya Vasilyev
Principal Software Engineer at Amazon Web Services (AWS)
Sunnyvale, California, United States
Summary
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Senior🎓
Top SchoolKostya Vasilyev is a Principal Software Engineer based in Sunnyvale with over 25 years of hands-on experience building high-performance, debuggable systems across C++, Go, Kotlin/Android, and backend services. He combines deep expertise in Android (10+ years), C++ (since 1989) and Go (since 2016) with a history of shipping consumer apps (Aqua Mail, Sugar Mail) that scaled to millions of users and geo-distributed server backends. His indie projects demonstrate full-stack ownership—from 100k+ lines of Kotlin mobile code to 50k lines of Go microservices and custom monitoring tooling—emphasizing correctness and operational robustness. At AWS he’s focused on real-time audio/video SDKs and video platforms, applying concurrent programming and systems thinking to latency-sensitive workloads. Interested in ML and distributed computing, he blends startup agility with enterprise-grade engineering practices and a knack for diagnosing elusive production problems.
12 years of coding experience
26 years of employment as a software developer
Lomonosov Moscow State University
Github Skills (200)
firebase10
k8s10
monitoring10
ram10
graphite10
victoriametrics10
tarantool10
database10
crashlytics10
android-sdk10
opentsdb10
pmm10
disk10
android10
promql10
Programming languages (14)
Github contributions (5)
kmansoft/jobintentservicex
Sep 2020 - Oct 2022
Contributions:25 commits, 37 pushes, 2 branches in 2 years 1 month
kmansoft/clearview-android
Aug 2020 - Dec 2023
Contributions:24 pushes, 1 branch, 5 comments in 3 years 4 months
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