Oleksandr Kolomiiets
Principal Software Engineer at Elastic
Vancouver, British Columbia, Canada
Summary
🤩
Rockstar🎓
Top SchoolOleksandr Kolomiiets is a Principal Software Engineer based in Vancouver with 11 years of experience building large-scale, distributed systems across cloud and storage domains. He has driven foundational work at AWS—helping to found and lead core components of S3 Express One Zone, architecting services for Timestream, and modernizing the AWS Billing Console—and more recently contributed to Elasticsearch and the logsdb project to optimize log storage. Comfortable across backend, platform, and full-stack roles, he excels at bootstrapping new systems and leading sub-teams through early product phases to production readiness. Known for pragmatic architecture decisions, he blends hands-on coding with ownership of control planes and data migration tooling. His career shows a pattern of tackling storage, scalability, and observability challenges that yield tangible cost and performance improvements.
11 years of coding experience
10 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
English, Ukrainian, Russian
Github Skills (178)
opensearch10
messenger10
windows10
low-level10
bots10
asp-net-core10
telegram10
asp-net10
code-analysis10
visual-studio10
elasticsearch10
non-blocking10
io-uring10
linux10
dotnet10
Programming languages (9)
Github contributions (5)
lkts/elasticsearch
Mar 2024 - Apr 2025
Free and Open, Distributed, RESTful Search Engine
Contributions:6 PRs, 790 pushes, 483 branches in 1 year
lkts/corefx
Mar 2017 - Oct 2018
This repo contains the .NET Core foundational libraries, called CoreFX. It includes classes for collections, file systems, console, XML, async and many others.
Contributions:21 pushes, 7 branches in 1 year 7 months
dotnetfile-systemsconsolexmlnet-core
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