Vasily Nemkov
Software Engineering Team Lead at Altinity, Inc.
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolVasily Nemkov is a pragmatic software engineering team lead based in Warsaw with 15+ years of hands-on experience and eight years in leadership roles, specializing in C++, Python, Go, Linux, and system design. He has led teams up to 10 engineers, driven cross-platform C++ development for blockchain and backup systems, and improved CI/test performance to accelerate delivery. At Altinity he contributes to production-grade database and analytics systems and has made targeted open-source fixes to ClickHouse-related projects, improving DateTime64 handling and bloom filter indexing. Known for clear technical vision and a soft-hearted leadership style, he combines deep low-level expertise with practical improvements to developer workflows that reduce risk and speed up releases.
8 years of coding experience
14 years of employment as a software developer
Bachelor's degree, Telecommunications Technology/Technician, Bachelor's degree, Telecommunications Technology/Technician at Belaruski Dzjaržauny Universitet Informatyki i Radyjoelektroniki
English, Russian, Russian, Ukrainian, Polish
Stackoverflow
21reputation
978reached
1answer
2questions
Github Skills (18)
c-language10
testing10
databases10
data-structure10
sql10
data-structures10
cprogramming-language10
database10
clickhouse10
develop9
olap9
error-handling9
github-release6
cmake6
continuous-integration6
Programming languages (13)
Github contributions (5)
ClickHouse/clickhouse-cpp
Nov 2020 - Jan 2023
C++ client library for ClickHouse
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:12 releases, 195 reviews, 241 commits in 2 years 2 months
Contributions summary:Vasily primarily contributed to the `clickhouse-cpp` library, fixing bugs and improving the code's robustness. Their work included correcting exception messages, fixing typos, and addressing merge conflicts. A significant portion of their contributions involved modifying and extending the testing suite, adding test cases to validate new features and ensuring code quality through automated tests. They also touched on low-level socket and enum type implementations.
client-libraryclickhouse-clientclickhousecpp
ByConity/ByConity
Apr 2021 - Jun 2021
ByConity is an open source cloud data warehouse
Role in this project:Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:12 commits in 2 months
Contributions summary:Vasily primarily focused on enhancing the `dateDiff` function within the ByConity data warehouse, addressing issues related to the `DateTime64` data type. Their work involved fixing bugs, adding comprehensive tests to validate the correctness of the function across different time-related data types and scales, and refactoring code to support larger values and more accurate date-time parsing. Additionally, they implemented and tested functionality for the `formatDateTime` function, addressing related issues with DateTime64. The user also worked on the bloom filter index by adding support of hasAny function to it.
datawarehousewarehousedbmsolapclickhouse
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