Patryk Jeziorowski
Founding Product Engineer at Upstream (YC S23)
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolPatryk Jeziorowski is a product-focused founding engineer with 7 years of experience building scalable, reliable systems and shipping customer‑facing products from MVP to production. He’s co-founded and led engineering at creator-driven startups, most recently serving as Founding Product Engineer at Upstream to build a next‑gen email client and previously as Co‑Founder/CTO of CreatorPad. Patryk combines hands‑on full‑stack work—from core backend systems at Qovery to front‑end UX improvements in the popular Gatsby project—with startup leadership and architecture decisions. He has a track record of quickly turning ideas into shipping products, scaling teams, and contributing practical UX fixes to open‑source ecosystems. Based in Paris and trained with an MEng in Computer Science, he blends entrepreneurial grit with attention to elegant, simple solutions that scale.
7 years of coding experience
6 years of employment as a software developer
Master of Engineering - MEng Computer Science, Master of Engineering - MEng Computer Science at The Silesian University of Technology
Stackoverflow
1reputation
342reached
0answers
1question
Github Skills (9)
css10
javascript10
gatsby10
react10
webapp9
blogspot9
web-application9
blogger9
blogpost9
Programming languages (8)
Github contributions (5)
Qovery/simple-example-gin-with-postgresql
Apr 2020 - Jul 2021
Contributions:10 commits, 9 pushes, 1 branch in 1 year 2 months
appwish/web-ui
Jan 2020 - Mar 2020
Contributions:28 commits, 6 PRs, 20 pushes in 2 months
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