Jens Papenhagen
Java-Entwickler at LECARE
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolJens Papenhagen is a Java Full Stack developer with 10 years of professional experience, currently building Java-based solutions at LECARE after a multi-year tenure at Hugendubel Digital. He brings deep hands-on expertise in Java EE/SE, JSF/PrimeFaces, MicroProfile and containerized deployments with Docker and Kubernetes, paired with strong TDD and automated testing practices (JUnit, Arquillian, Selenium). Comfortable in Agile and Scrum environments, he contributes to quality through code reviews, CI/CD tooling (Maven, Jenkins) and structured knowledge transfer. His background in chemistry and production environments gives him a practical, process-oriented mindset and an aptitude for troubleshooting complex systems. Jens codes mostly in private GitHub repositories for experimentation, reflecting a pragmatic, learning-first approach to new technologies. Bilingual in German and English, he thrives in collaborative teams and on full-stack challenges that bridge backend services and user-facing Java frameworks.
11 years of coding experience
5 years of employment as a software developer
kein Abschluss Verfahrenstechnik, kein Abschluss Verfahrenstechnik at Hamburg University of Applied SciencesAusbildung zum Chemikanten, Ausbildung zum Chemikanten at Norddeutsche Affinerie (Aurubis AG)
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (57)
encoder-decoder10
agentic9
javafx9
java9
javaee9
multi-agent9
graph9
geemap8
artificial-intelligence8
ai7
location7
tree-structure7
kd-tree7
creative-commons7
spatial-data6
Programming languages (7)
Github contributions (5)
jenspapenhagen/level2maggi
Jul 2021 - Jul 2026
This is an quarkus mircoservice for Convert the Level of the Saar in Sankt Arnual into count of "Maggi Würze (250g)" - Bottles (default, but can be changed by pathparameter)
Contributions:180 PRs, 236 pushes, 6 branches in 5 years
mircoservicerestquarkusjavabottles
jenspapenhagen/upload_backend
Oct 2024 - Jun 2026
a simple upload backend for the upload service in quarkus
Contributions:43 PRs, 76 pushes, 1 branch in 1 year 8 months
dockerjavaquarkus
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