Maciek Kemnitz
Chief Executive Officer at Primotly
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolMaciek Kemnitz is a CEO and product-driven technology leader with 13 years of experience scaling web products and teams from Poland. He combines hands-on engineering (React, TypeScript, PHP, Symfony, GraphQL) with product ownership and agile leadership, having co-founded and scaled Slowhop and led transformation and operations at Primotly. Known for building systems from scratch, he moves seamlessly between code, architecture decisions, and go-to-market execution while mentoring frontend teams and owning outcomes end-to-end. He champions awareness, ownership, and transparency, turning failures into lessons that inform resilient scaling strategies. Based in Warsaw, he pairs a technical master's in IT with a pragmatic, accountability-first approach to company culture and product value.
13 years of coding experience
12 years of employment as a software developer
Master's degree, Information Technology, 5, Master's degree, Information Technology, 5 at Polsko-Japońska Wyższa Szkoła Technik Komputerowych w Warszawie
English, Hungarian, German, Polish
Stackoverflow
21reputation
818reached
1answer
0questions
Github Skills (18)
php6
symfony6
traits6
facebook6
migrate5
migration5
behavior5
relational4
doctrine4
nette4
database4
orm3
database-migrations3
mysql3
high-performance2
Programming languages (1)
Github contributions (5)
maciek-kemnitz/PhpQuery
Mar 2013 - Mar 2013
Contributions:6 commits in 1 day
maciek-kemnitz/up-sell
Jan 2015 - Aug 2015
Contributions:25 pushes in 7 months
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