Jacek Kosiba
Technical Product Owner & Frontend Developer at Motorola Solutions
Cracow Metropolitan Area Poland
Summary
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Rockstar🎓
Top SchoolJacek Kosiba is a product-minded Technical Product Owner and Frontend Developer based in Kraków, combining 9 years of professional experience with 12+ years of cross-disciplinary practice in web development and sound engineering. He ships React and TypeScript frontends while owning backlog, release planning, and SDLC coordination for U.S. e-commerce and public safety platforms at Motorola Solutions. Formerly a QA automation engineer, he brings strong test automation skills (WebdriverIO, Playwright) and a habit of spec-driven, AI-assisted development that improves delivery predictability and product quality. His background as a studio founder and live sound engineer informs pragmatic stakeholder communication, deadline-driven execution, and meticulous attention to experiential details. Jacek thrives where creativity, product thinking, and engineering intersect, often translating complex requirements into usable, reliable interfaces. Colleagues describe him as proactive, adaptable, and unusually fluent at bridging creative and technical teams.
9 years of coding experience
10 years of employment as a software developer
Sound Production, Sound Production at ROE Post-secondary Music School in KatowiceFront-end Developer With React, JavaScript / jQuery / React / HTML / CSS / Sass / RWD / Gulp / Git, Front-end Developer With React, JavaScript / jQuery / React / HTML / CSS / Sass / RWD / Gulp / Git at Coders Lab
Polish, English
Github Skills (4)
fp-ts9
dom8
javascript8
typescript7
Programming languages (4)
Github contributions (5)
jacekkosiba/Online-Mixing-Console
Jul 2017 - Feb 2024
Contributions:56 pushes, 12 branches in 6 years 7 months
jacekkosiba/layout_miami
Oct 2023 - Oct 2023
Contributions:37 pushes, 47 branches in 5 days
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