Nikita Kozlovskiy
Site Reliability Engineer at Nebius
Amsterdam, North Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolNikita Kozlovskiy is a Site Reliability Engineer with 17 years of hands-on experience building backend and infrastructure systems, currently based in Amsterdam. He combines deep Linux and cloud-native expertise (Docker, Kubernetes, Helm) with strong backend development skills in Python and Go, and operational experience across Postgres, ClickHouse, Kafka and observability stacks like Prometheus/VictoriaMetrics and Grafana. Nikita has a track record of designing and operating bare-metal and cloud Kubernetes clusters, CI/CD pipelines, and production-grade monitoring, having built in-house analytics and affiliate platforms for games at Whee Games. His open-source contributions to the YDB distributed SQL database focus on improving testability and CI reliability, reflecting a practical interest in high-performance databases and developer efficiency. Fast to learn and troubleshooting-focused, he blends software architecture thinking with day-to-day SRE rigor to drive resilient, testable systems.
16 years of coding experience
21 years of employment as a software developer
Emperor Alexander I St. Petersburg State Transport University
Github Skills (15)
c-language10
cprogramming-language10
cicd10
testing10
githubaction-workflow9
github-ci9
cpp8
docker8
databases8
database8
dockers8
dbm8
dbms8
distributed-database7
cmake7
Programming languages (9)
Github contributions (5)
ydb-platform/ydb
May 2023 - 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 & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:111 reviews, 143 PRs, 42 pushes in 1 year 10 months
Contributions summary:Nikita primarily focused on enhancing the testing capabilities of the YDB database. Their contributions included adding features to filter tests from a file, renaming options for clarity, and implementing a mechanism to mute specific tests. Additionally, the user worked on CI/CD improvements, specifically by adding test summaries and creating a local YDB docker image. This indicates a focus on improving the reliability and efficiency of the project's development and testing processes.
dbmsdistributed-sql-databaseydbdatabaseconsistency
nikitka/ydb
May 2023 - Feb 2025
YDB is an open source Distributed SQL Database that combines high availability and scalability with strong consistency and ACID transactions
Contributions:215 PRs, 1477 pushes, 258 branches in 1 year 9 months
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