Piotr Harmasz
Product Lead at Prezly
Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolPiotr Harmasz is a Product Lead and full-stack builder with nine years of experience creating scalable products from AI copilots and data platforms to privacy-first analytics. He blends product strategy and software engineering, having driven AI initiatives, integrations (5x increase), and major scalability efforts at Piwik PRO handling billions of monthly requests. A developer since age 12, Piotr moves comfortably between hands-on engineering and high-level product decisions, and has recently advised startups as an independent AI and product consultant. He speaks publicly on analytics and has built AI agents and applied ML in production settings, demonstrating both technical depth and go-to-market sensibility. Based in Lower Silesia, Poland, he now leads product at Prezly while continuing to help teams integrate AI responsibly. An often-overlooked asset is his track record of accelerating SDK adoption (10x downloads), showing he focuses equally on developer experience and business impact.
9 years of coding experience
6 years of employment as a software developer
Uniwersytet Marii Curie-Skłodowskiej w Lublinie
English, Polish, Spanish, Ukrainian
Github Skills (11)
metadata8
data-studio8
google-tag-manager-server-side8
google-tag-manager8
connectors7
dedicated5
server-side4
angular3
react3
google-analytics3
analytics3
Programming languages (5)
Github contributions (5)
harmasz/express-skeleton
Jan 2023 - Nov 2023
Basic ExpressJS app template
Contributions:8 PRs, 5 pushes, 20 branches in 9 months
harmasz/0xf000h.dev
Mar 2023 - Oct 2023
My personal website
Contributions:8 PRs, 7 pushes, 9 branches in 6 months
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