Aliaksandr Valialkin
Founder at VictoriaMetrics
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolAliaksandr Valialkin is a founder and seasoned software engineer with 13 years of experience building high-performance, cost-efficient backend systems and observability tooling from Krakow. He founded and core-developed VictoriaMetrics, an open-source observability project, and maintains a rich GitHub portfolio (valyala) that includes contributions to container tooling like tailhook/vagga. Previously he led large-scale ad-serving and analytics migrations—shifting stacks to Go and optimizing servers to handle hundreds of thousands of QPS while dramatically cutting costs. His work spans systems engineering, DevOps, and observability, with hands-on improvements to build systems, overlay filesystems, and CI-friendly commands like Unzip and GitDescribe. Known for squeezing orders-of-magnitude gains in performance and reliability, he pairs product-minded leadership with deep implementation skills. He holds a Master’s in Computer Software Engineering and combines academic grounding with practical, production-proven systems design.
13 years of coding experience
14 years of employment as a software developer
Master's degree Computer Software Engineering, Master's degree Computer Software Engineering at Belarusian State University of Informatics and Radioelectronics
Russian, English
Github Skills (11)
sh10
alpine-linux10
script10
build-system10
rust10
shell10
containerization10
scripting10
devops9
git8
overlayfs8
Programming languages (11)
Github contributions (5)
tailhook/vagga
Dec 2015 - Feb 2022
Vagga is a containerization tool without daemons
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:22 reviews, 182 commits, 115 PRs in 6 years 2 months
Contributions summary:Aliaksandr primarily contributed to containerization tooling improvements, particularly within the context of building and managing container images. Their work involved updating and maintaining Alpine Linux versions and associated dependencies used within the `tailhook/vagga` project, demonstrating a focus on build system and container environment management. They also implemented a new `Unzip` build command and integrated the `GitDescribe` command, showing a focus on streamlining build processes. Finally, the user refactored the code base to support overlay file system and improve dependency management in general.
containersgolangdaemonsdocker-imagerust
anti-social/vagga
Dec 2015 - May 2022
Vagga is a containerisation tool without daemons
Contributions:2 PRs, 532 pushes, 213 branches in 6 years 5 months
containersdaemonsdocker-imagecontainerisationdocker
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