Jan Marten
Freelancer Senior Softwareentwickler IT Consultant at IT Beratung - Jan Marten
Wesel, North Rhine-Westphalia, Germany
Summary
👤
Senior🎓
Top SchoolJan Marten is a freelance Senior Softwareentwickler and IT-Consultant based in Wesel with 14 years of experience, specializing in Java full-stack development. He blends hands-on engineering with consultancy, having supported companies like Thalia and evosec before running his own practice since 2019. Academically grounded with an M.Sc. in Informatik from RWTH Aachen, he focuses on reliable, test-driven backend systems and practical integrations. An active open-source contributor, he enhanced Liquibase's Hibernate integration by adding Spring package-scanning configuration and improving test coverage—showing a knack for shipping robust tooling improvements that reduce configuration pain for teams.
14 years of coding experience
Master of Science (M.Sc.), Informatik, 1,5, Master of Science (M.Sc.), Informatik, 1,5 at Rheinisch-Westfälische Technische Hochschule AachenBachelor of Science (B.Sc.), Informatik, 1,8, Bachelor of Science (B.Sc.), Informatik, 1,8 at RWTH Aachen
German, English
Stackoverflow
78reputation
5kreached
1answer
1question
Github Skills (17)
liquibase10
java10
javas10
junit10
hibernate10
jtest10
spring-boot10
back-end-development9
coreos9
c-extension8
extension-methods8
extension-functions8
ossec7
aop6
spring6
Programming languages (4)
Github contributions (5)
liquibase/liquibase-hibernate
Sep 2013 - Nov 2013
Liquibase Hibernate Integration
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:17 commits in 1 month
Contributions summary:Jan significantly contributed to the Liquibase Hibernate integration project by adding new functionality and improving test coverage. They implemented a `SpringPackageScanningConfigurator` to integrate with Spring's package scanning, enabling configuration without external files. Furthermore, the user wrote unit and integration tests for the newly added features and updated existing tests, ensuring the correct behavior of the Hibernate integration. These changes included modifying existing test configurations and adding a new integration test for Spring package scanning.
spring-boothibernatemysqldatabaseliquibase
LeovR/rtp-midi
Feb 2017 - Mar 2018
Contributions:54 commits, 1 PR, 36 pushes in 1 year 1 month
javamidirtpaudio
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