Vitaly Stoyan
Developer at Yandex
Moscow, Moscow, Russia
Summary
🤩
Rockstar🎓
Top SchoolVitaly Stoyan is a seasoned backend developer and database engineer with 11+ years building scalable server-side systems, currently driving core database work at Yandex since 2014. He has deep C++ and database internals expertise demonstrated by contributions to the open-source YDB project—implementing wide sort support, improving PG compatibility, and extending PG extensions and catalog types. Earlier roles include leading server architecture and Azure C# teams and reviewing C++ client code at PENXY, and a lead developer position at Acronis, reflecting strong cross-language experience and system design chops. Trained as a physicist at Lomonosov MSU, he brings analytical rigor to performance-oriented, low-level engineering problems and a track record of improving both code and operational database settings.
11 years of coding experience
9 years of employment as a software developer
Lomonosov Moscow State University
English
Github Skills (11)
databases10
database-administration10
c-language10
postgresql10
cprogramming-language10
relational-databases10
sql-database10
database10
sql9
data-structures8
data-structure8
Programming languages (2)
Github contributions (5)
ydb-platform/ydb
May 2022 - Jan 2023
YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions
Role in this project:
Back-end Developer & Database Engineer/Administrator
Back-end Developer & Database Engineer/AdministratorContributions:1145 reviews, 184 commits, 645 PRs in 8 months
Contributions summary:Vitaly primarily contributed to the YDB (Yandex Database) project by implementing wide sort support for various data types and addressing PostgreSQL (PG) compatibility issues. Their work involved modifying core C++ code in the `mkql_wide_top_sort.cpp` file to enhance array handling and performance, and adding functions, and types to the PG extensions and catalog. They also worked on adjusting database settings and implementing features.
dbmsdistributed-sql-databaseydbdatabaseconsistency
vitstn/ydb
Dec 2023 - Feb 2025
YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions
Contributions:332 pushes, 527 branches in 1 year 3 months
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