Jan Hentschel
Operations Director
Magdeburg, Saxony-Anhalt, Germany
Summary
🤩
Rockstar🎓
Top SchoolJan Hentschel is an operations-focused technology leader with 11 years of experience combining engineering depth and executive responsibility as Operations Director and longtime C-level partner at Ultra Tendency. He brings hands-on backend expertise in distributed data systems—demonstrated by substantive contributions to prominent Apache projects like HBase, Zeppelin and Alluxio—and was a four-time Microsoft Azure MVP and committer-level contributor in several PMCs. Jan pairs rigorous code quality and refactoring discipline with product and security sensibilities, having improved testing, CI/CD and security policies in projects such as Terrascan. Based in Magdeburg, he bridges academia and industry with an M.Sc. in Computer Science and a history of teaching and mentorship, quietly favoring robust, maintainable designs that scale in production.
11 years of coding experience
6 years of employment as a software developer
Master of Science (M.Sc.), Computer Science, Master of Science (M.Sc.), Computer Science at Otto-von-Guericke-Universität MagdeburgAbitur, Mathematics, History, Abitur, Mathematics, History at Gottfried-Arnold-Gymnasium Perleberg
German, English
Github Skills (50)
hbase10
docker10
testing10
openzeppelin10
databases10
kafka10
object-oriented-programming10
dockers10
terraform10
java10
refactor10
security10
javas10
terraformer10
checkstyle10
Programming languages (14)
Github contributions (5)
apache/hbase-connectors
Dec 2019 - Jan 2021
Apache HBase Connectors
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 9 commits, 16 PRs in 1 year 1 month
Contributions summary:Jan primarily contributed to the `hbase-kafka-proxy` module, refactoring tests, and fixing checkstyle issues. The commits involve modifying and enhancing testing related to routing rules, drop rules and general proxy functionality. The user also made several updates to address deprecations and refactor code to use `StandardCharsets`.
apache-hbaseconnectorapachebig-datadatastream
apache/hbase
Nov 2016 - Nov 2021
Apache HBase
Role in this project:Back-end Developer
Back-end DeveloperContributions:37 reviews, 432 commits, 281 PRs in 5 years
Contributions summary:Jan primarily focused on code refactoring and bug fixes within the HBase codebase. Their work involved removing public access from methods, streamlining interfaces, and addressing deprecation warnings by updating methods. The user also contributed to online configuration updates and removed unnecessary semicolons in various files. Overall, the user's contributions were focused on improving the code quality and maintainability of the HBase project.
apache-hbaseapachedatabasejavahbase
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