Marcin Kozieł
Senior Software Engineer at PSI Polska Sp. z o.o.
Katowice, Silesian Voivodeship, Poland
Summary
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Senior🎓
Top SchoolMarcin Kozieł is a Senior Software Engineer with a decade of professional experience and deep expertise in Oracle PL/SQL development, having worked on core banking systems, GIS integrations, and enterprise implementations. He progressed from hands-on PL/SQL developer roles to lead engineering positions at Sopra Steria and now contributes to PSI Polska’s engineering efforts, blending practical database craftsmanship with team leadership. Comfortable operating in high-stakes, regulated environments, he focuses on stability, troubleshooting and delivering secure, quality software for mission-critical applications. Trained as an engineer at Politechnika Śląska, he pairs academic grounding with real-world delivery and a history of migrating and integrating complex data systems. An often-overlooked strength is his retail management background, which honed customer-facing communication and operational discipline now applied to cross-functional collaboration.
10 years of coding experience
4 years of employment as a software developer
Magister inżynier (Mgr inż.), Informatyka Przemysłowa, 2017, Magister inżynier (Mgr inż.), Informatyka Przemysłowa, 2017 at Politechnika Śląska w Gliwicach
English, PolishProgramming languages (2)
Github contributions (5)
greeboCherry/SDIZOprojekt
Apr 2017 - Jun 2017
Contributions:27 pushes, 1 issue in 2 months
greeboCherry/lab2
Mar 2016 - Dec 2016
Contributions:6 pushes in 9 months
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