Piotr Zientara
CEO at Xfaang
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolPiotr Zientara is a tech entrepreneur and CEO of Xfaang with 11 years of experience building web and mobile products that make cultural goods more accessible. He combines hands-on full-stack development with leadership, having served as CTO and led engineering teams before founding and scaling Xfaang. A co-founder and long-time organizer of WarsawJS and ConFrontJS, Piotr cultivates one of Poland’s largest JavaScript communities and helps developers grow through events and education. His background in philosophy and teaching informs a reflective approach to product and team design, and he also co-owns K MAG magazine, bridging tech, culture, and publishing.
11 years of coding experience
6 years of employment as a software developer
Master's Degree Philosophy, Master's Degree Philosophy at University of WarsawRuby on Rails Developer, Ruby on Rails Developer at Coders Lab
English, German, French, Chinese
Github Skills (91)
code-generation10
api10
csharp-code10
javascript9
dotnet9
rest-api9
hosts9
dotnet-core9
graphql9
csharp9
nodejs9
query-language9
amplication8
nestjs8
prisma8
Programming languages (8)
Github contributions (5)
Appnroll/kudosapp-frontend
Dec 2018 - May 2019
This is a KUDOS! front written with create-react-app with backend: https://github.com/Appnroll/kudosapp-backend
Contributions:16 PRs, 43 pushes, 12 branches in 5 months
reactkudosjavascriptcreate-reactbackend
Tuhaj/tuhaj.github.io
May 2019 - Mar 2025
Contributions:12 pushes, 1 branch in 5 years 10 months
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