Denis Szczukocki
Senior Java Engineer at Vaillant Group Business Services Poland
Silesian Voivodeship, Poland
Summary
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Senior🎓
Top SchoolDenis Szczukocki is a Senior Java Engineer with a decade of experience building microservices and enterprise applications, currently at Vaillant Group after four years as a senior engineer at EPAM. He is a Spring framework and Clean Code enthusiast who regularly programs beyond work hours and translates deep technical knowledge into practical solutions using Java 17, Spring Boot, Docker, Kubernetes and databases like PostgreSQL. Denis combines hands-on backend expertise (Hibernate, JOOQ, messaging systems) with operational experience from earlier roles managing Java app servers and web servers at ING. He has written technical articles for Baeldung, reflecting a talent for clear technical communication and knowledge sharing. Based in Silesian Voivodeship, Poland, he is notable for pairing relentless learning—devouring books on Agile and software craft—with a habit of turning that learning into team‑facing guidance and published tutorials.
10 years of coding experience
9 years of employment as a software developer
Inżynier (Inż.) Informatyka, Inżynier (Inż.) Informatyka at WSB University
Github Skills (19)
spring10
authentication10
spring-security10
java10
security10
spring-boot10
oauth10
json9
jackson9
binding9
cli9
java-api9
jackson-databind8
angular8
api8
Programming languages (4)
Github contributions (5)
den314/keycloak-theme-dev-dockerized
Jan 2018 - Dec 2019
Contributions:2 pushes, 1 branch in 1 year 11 months
den314/tutorials
Jun 2019 - Oct 2019
The "REST With Spring" Course:
Contributions:21 pushes in 3 months
spring-bootspring-mvcspringrestrest-api
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