Shahar Kaminsky
Head Of ZK Chains at Matter Labs
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolShahar Kaminsky is a seasoned software leader with a decade of experience building and managing high-performance backend systems, now leading ZK Chains at Matter Labs in New York. He progressed from hands-on engineering roles to Head of ZK Chains after driving backend work on the prominent zkSync Era project—contributing to transaction handling, gas estimation and fee logic in a major open-source L2 protocol. Comfortable both as an individual contributor and manager, he has steered teams through product-critical infrastructure changes and improved load-test observability and documentation. A Columbia Computer Science graduate and former IDF Intelligence Corps commander, he blends rigor in distributed systems engineering with operational discipline and a practical focus on measurable system reliability.
10 years of coding experience
7 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at Columbia University
English, Hebrew, Spanish
Github Skills (10)
zksync10
gas-optimization10
transaction10
transactional10
rust10
ethereum10
api8
apidoc8
database-design6
postgresql5
Programming languages (8)
Github contributions (5)
matter-labs/zksync-era
Feb 2023 - Mar 2023
zkSync era
Role in this project:
Back-end Developer
Back-end DeveloperContributions:103 reviews, 12 commits, 55 PRs in 26 days
Contributions summary:Shahar's commits primarily focus on implementing and modifying core backend functionalities related to transaction handling, gas price estimation, and fee calculations within the zkSync era system. This includes changes to the transaction submission process, gas limit validations, and the integration of a base token feature. The user also worked on related tasks such as updating the mirror, improving loadtest observability, and making documentation clarifications.
matter-labs/era-heavy-ops-service
Feb 2023 - Sep 2023
Specialized GPU Prover for zkSync Era
Contributions:7 reviews, 6 PRs, 14 pushes in 7 months
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