Grzegorz Lachowski
CISO & Team Lead at gregolsky IT
Toruń, Kuyavian-Pomeranian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolGrzegorz Lachowski is a seasoned software leader and security-minded engineer with 14 years of professional experience and a Master's in Computer Science from Nicolaus Copernicus University. Currently CISO and Team Lead at RavenDB, he transitioned from hands-on backend development to leadership while continuing to contribute to the open-source RavenDB project—improving build pipelines, cross-platform support and test automation. He founded gregolsky IT, blending entrepreneurial initiative with sustained enterprise engineering at RavenDB and AIS.PL. Known for tackling infrastructure and build-system complexity, he pairs pragmatic debugging and maintenance skills with strategic security oversight. Based in Toruń, Poland, he brings a rare combination of deep product-level database experience and operational security leadership.
14 years of coding experience
10 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Nicolaus Copernicus University
Polish, English
Stackoverflow
101reputation
537reached
5answers
0questions
Github Skills (17)
ravendb10
gulp10
build-automation10
dotnet-core10
csharp10
testing9
cicd9
powershell9
docker8
dockers8
javascript8
netcore7
nodejs6
typescript6
linux6
Programming languages (13)
Github contributions (5)
ravendb/ravendb
Jul 2016 - Jan 2023
ACID Document Database
Role in this project:
Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:408 reviews, 637 commits, 432 PRs in 6 years 7 months
Contributions summary:Grzegorz primarily contributed to the RavenDB Studio backend, adding and modifying various components related to the build process and testing infrastructure. Their work involved integrating new Gulp tasks for Mocha tests and updating the build script to include Windows support, reflecting a focus on improving the build pipeline and expanding platform compatibility. They also addressed several configuration-related issues, indicating a need for maintenance and debugging of the build system.
nosqlravendbnosql-data-storagenosql-databasesc-sharp
gregolsky/RaccoonBlog
Jun 2016 - Oct 2024
A RavenDB based blog engine
Contributions:20 PRs, 90 pushes, 15 branches in 8 years 5 months
ravendbblog-enginedatabaseenginepostgresql
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