Maksim Kita
Chief Technology Officer at RawTree
Amsterdam, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top School
Top expert inDistributed Database Technologies and Analytics Platforms
Maksim Kita is a CTO and systems-oriented software engineer with 9 years of experience specializing in databases, performance engineering, JIT compilation and distributed systems. He has driven major performance wins at ClickHouse and YDB—delivering multi‑fold speedups for query execution, sorting, aggregation and imports, and enabling JIT compilation that boosts heavy-query throughput by up to 29x. As Principal Engineer at Tinybird and earlier at Yandex/ClickHouse he led production optimizations, shipped recursive CTEs and QUALIFY, and maintained critical features like Dictionaries while reviewing thousands of pull requests. An active open-source contributor, Maksim has improved YDB’s client SDK and ClickHouse documentation/benchmarks, and often presents his work at HighLoad and C++ conferences. Based in Amsterdam, he combines low-level C/C++ and assembly expertise with a pragmatic focus on measurable system throughput and latency improvements.
9 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Yanka Kupala State University of GrodnoComputer Science, Computer Science at Yandex School of Data Analysis
English, Russian
Github Skills (18)
c-language10
databases10
representations10
sql10
cprogramming-language10
protobuffer10
protobuf10
database10
clickhouse10
mysql9
data-warehouse9
distributed-systems9
datamart9
sql-database9
distributed-database9
Programming languages (10)
Github contributions (5)
ByConity/ByConity
Mar 2021 - Sep 2021
ByConity is an open source cloud data warehouse
Role in this project:
Back-end Developer
Back-end DeveloperContributions:664 commits in 6 months
Contributions summary:Maksim's commits primarily focused on modifying and updating the `ByConity` codebase, a cloud data warehouse system. They addressed issues related to tuple handling in SQL queries, which involved modifying test cases and documentation. Further contributions included changes to the internal function implementations.
datawarehousewarehousedbmsolapclickhouse
ClickHouse/clickhouse-presentations
Mar 2021 - Oct 2022
Presentations, meetups and talks about ClickHouse
Role in this project:Back-end Developer
Back-end DeveloperContributions:37 commits, 30 PRs, 16 pushes in 1 year 7 months
Contributions summary:Maksim's contributions focused on developing and documenting features related to external dictionaries within ClickHouse. This included implementing new functionalities, such as those related to dictionary updates, and creating presentations explaining the use and configuration of dictionaries, their attributes, sources, layouts, and update mechanisms. Furthermore, the user provided code examples and benchmarks, demonstrating the practical application of dictionaries in MySQL and executable source configurations, as well as other general performance optimizations.
clickhouse
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