Dmitry O
Founder at Asymptote Tech
United States
Summary
🤩
Rockstar🎓
Top SchoolDmitry O is a founder and seasoned software engineer with 11 years of industry experience building scalable, high-performance systems across leading tech firms and startups. His career spans deep technical roles at Google, Waymo, Meta, Yandex and Mixpanel, and he now leads Asymptote Tech, combining product-level vision with hands-on engineering. Dmitry has significant backend and distributed-systems expertise, evidenced by contributions to the open-source YDB distributed SQL database—improving query optimization, cardinality estimation, and HyperLogLog statistics to boost query planning and join performance. He holds an M.S. in Computer Science from Lomonosov MSU and is known for tackling hard systems problems that sit at the intersection of algorithmic rigor and production constraints.
11 years of coding experience
16 years of employment as a software developer
Lomonosov Moscow State University
Github Skills (15)
databases10
query-optimization10
distributed-systems10
c-language10
cpp10
cprogramming-language10
distributed-database10
distribute10
relational-databases10
sql10
dbm10
sql-database10
dbms10
database10
cloud-native8
Programming languages (1)
Github contributions (5)
ydb-platform/ydb
Apr 2024 - Mar 2025
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
Back-end DeveloperContributions:26 reviews, 30 PRs, 8 pushes in 11 months
Contributions summary:Dmitry primarily contributed to the YDB database codebase, focusing on enhancing the query optimization and cost estimation functionalities. Their work included refactoring code for cardinality estimation, implementing HLL (HyperLogLog) in YT statistics, and improving the join search process. Furthermore, the user made adjustments to fuse operations, addressing build time concerns within the YT provider and refining settings related to lookup joins.
dbmsdistributed-sql-databaseydbdatabaseconsistency
alephonea/ydb
Apr 2024 - Mar 2025
YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions
Contributions:64 pushes, 18 branches in 11 months
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