Yehonatan Buchnik
Software Engineer at Final
Israel
Summary
👤
Senior🎓
Top SchoolYehonatan Buchnik is a software engineer with nine years of experience specializing in distributed systems, consensus algorithms, and blockchain infrastructure. He has led the design and implementation of BFT-based state machine replication systems at VMware and built a ledger atop Intel SGX at Intel, producing peer-reviewed publications and multiple patents along the way. Now at Final, he focuses on building robust, high-performance infrastructure that turns theoretical protocols into production-ready systems. An active open-source contributor, he made significant backend contributions to VMware’s widely used Concord-BFT project, improving reconfiguration, pruning, and memory footprint. Trained at the Technion with an M.Sc. in Computer Science, he pairs rigorous academic grounding with hands-on engineering across industry and research contexts. Colleagues rely on him for solving thorny, real-world consensus challenges where correctness and performance both matter.
9 years of coding experience
6 years of employment as a software developer
Master of Science - M.Sc. Computer Science, Master of Science - M.Sc. Computer Science at Technion - Israel Institute of Technology
Hebrew, English
Github Skills (7)
exchange10
c-language10
cprogramming-language10
cryptography10
blockchain10
persistent-storage9
memory-management9
Programming languages (4)
Github contributions (5)
vmware/concord-bft
Feb 2020 - Dec 2022
Concord byzantine fault tolerant state machine replication library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:775 reviews, 321 commits, 638 PRs in 2 years 10 months
Contributions summary:Yehonatan contributed significantly to the `vmware/concord-bft` repository, primarily by adding and modifying core back-end components. Their contributions involved implementing features related to client key exchange, and enhancements for the reconfiguration engine and pruning. They also refactored various components and addressed memory footprint issues.
fault-tolerantconsensusfaultconcorddistributed-systems
yontyon/concord-bft
Dec 2019 - Apr 2023
Concord byzantine fault tolerant state machine replication library
Contributions:12 reviews, 2 PRs, 886 pushes in 3 years 5 months
fault-tolerantconsensusfaultconcordbyzantine
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