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  • Jan Kellermann

Jan Kellermann

Germany
Senior Developer / CTO at Werk21
Drupal.org
In Drupal.org since
4 October, 2008
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Contributions

6
Contributions to Core
188
Contributions to Modules
4
Security Contributions
3
Mentored

Case Studies

amnesty.de - Upgrading and enhancing the DXP for Amnesty Deutschland
Dec 2024
Oxfam Shops - Update from Drupal 7 to Drupal 10
Dec 2024
State Capital City Potsdam
Oct 2025
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