Piotr Zduniak
Software Engineer at Zoom Video Communications
Lodz Metropolitan Area Poland
Summary
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RockstarPiotr Zduniak is a software engineer and builder with 12 years of experience leading backend and security-focused projects across startups and scaleups. He has held engineering leadership roles including VP of Engineering at Nucleos Inc. and lead/back-end positions at Keybase, Lavaboom, and Coder.com, shipping secure, high-performance systems and realtime infrastructure. His open-source work on Keybase’s Merkle Audit engine demonstrates deep expertise in Go, cryptographic data structures, and reliable background processing. Piotr also founded product-focused ventures (pyr.sh, Oakmail) and ran core platform development such as pipeline-based mailers and cluster-synchronized notification systems. Based in the Łódź area of Poland, he blends hands-on engineering with strategic technology consulting to bring fast, privacy-preserving local computing to schools and homes.
12 years of coding experience
4 years of employment as a software developer
English, Polish
Stackoverflow
97reputation
16kreached
1answer
3questions
Github Skills (12)
go10
merkle-tree10
security10
error-handling9
lua6
flask-sqlalchemy6
pandas6
aggregate-functions6
ggplot6
plot6
postgresql6
mysql6
Programming languages (17)
Github contributions (5)
keybase/client
Jan 2019 - Jun 2020
Keybase Go Library, Client, Service, OS X, iOS, Android, Electron
Role in this project:
Back-end Developer
Back-end DeveloperContributions:227 commits, 330 PRs, 676 pushes in 1 year 4 months
Contributions summary:Piotr primarily worked on implementing and maintaining the Merkle Audit engine, a background task responsible for verifying the integrity of the Keybase's merkle tree structure. Their contributions involved the initial implementation of the audit, including code to traverse the merkle tree and detect potential tampering. The user also added features to handle potential offline scenarios and optimized code to efficiently run the audit process in the background, suggesting an emphasis on reliability and security. These changes touched multiple files within the `go/engine` directory, signifying expertise in Go, merkle tree structures, and background task management.
golangreactelectronreact-nativeclient-library
pzduniak/aiw3-np-server
Feb 2014 - Jan 2015
Contributions:7 commits, 1 push in 11 months
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