Karol Piasecki
Java Software Engineer at PZU
Wrocław, Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolKarol Piasecki is a Java software engineer with nine years of experience building full-stack applications across finance, insurance, and startups from Wrocław, Poland. He combines Java, Kotlin and Python backends with modern frontends in React and Angular, and has delivered microservices, Camunda-based workflows, and document-signing integrations for multinational teams. At BNY Mellon he worked on transaction and document services integrating AdobeSign/DocuSign, and at PZU he continues to shape enterprise-grade systems. As a co-founder he built authentication/authorization flows and CI automation, showing hands-on ownership from architecture to deployment. Comfortable in both startup and large-company environments, he brings practical expertise in Spring, Spring Boot, testing, and distributed service patterns. An understated strength is his fluency across JVM and JavaScript ecosystems, enabling him to bridge backend and frontend teams effectively.
9 years of coding experience
3 years of employment as a software developer
Liceum im Henryka SienkiewiczaInżynier (Inż.), Informatyka, Inżynier (Inż.), Informatyka at Wrocławska Wyższa Szkoła Informatyki Stosowanej
Polish, English
Github Skills (23)
trending8
angular8
react8
gift8
tiktok-api8
commerce8
typescript8
javascript8
nodejs8
shopify7
api7
cart7
hubspot7
medusa6
tiktok6
Programming languages (3)
Github contributions (5)
Xarenn/CPP
Sep 2016 - Jan 2021
Contributions:6 pushes, 1 branch in 4 years 4 months
Xarenn/WebCompany
May 2018 - Aug 2019
Contributions:25 commits, 19 pushes, 1 branch in 1 year 2 months
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