Tomasz Grześkiewicz
Software Engineer at Matter Labs
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolTomasz Grześkiewicz is a software engineer with 10 years of experience, currently contributing to Matter Labs on zkSync Era where he focuses on backend and DevOps improvements for high-performance blockchain infrastructure. He has a proven track record at Cosmose and early experience at NVIDIA and Vavatech, blending backend development, CI/CD automation, and performance-conscious tooling. Tomasz built practical DevOps solutions—like a snapshots-creator tool and Docker-based CI integrations—that speed node initialization and reduce noise in builds, showing an eye for developer experience as well as production reliability. With a master's in computer science from the University of Warsaw, he brings strong systems thinking and a habit of improving build and recovery workflows that often go unnoticed but materially boost team velocity.
9 years of coding experience
4 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at University of Warsaw
Github Skills (20)
zksync10
github-ci10
cicd10
rust10
githubaction-workflow10
postgresql9
back-end-development9
dockers9
docker9
protobuffer9
protobuf9
typescripts8
database-management8
apidoc8
api8
Programming languages (4)
Github contributions (5)
matter-labs/zksync-era
Oct 2023 - Mar 2025
zkSync era
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:374 reviews, 215 PRs, 536 pushes in 1 year 5 months
Contributions summary:Tomasz's primary contributions involve improving the `zkSync era` repository, specifically related to enhancing code formatting, snapshot creation, and build processes. They implemented faster and less noisy formatting using caching, and designed a tool to create snapshots for initializing zkSync nodes. Furthermore, the user created a Dockerfile and integrated a step in the CI to build the snapshots-creator image, indicating their involvement in DevOps practices. The user also made code changes related to the Enode, its data recovery and handling.
tomg10/purple-potatoe
May 2016 - May 2017
Contributions:2 pushes, 1 branch in 1 year
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