Komm.ONE is a german company located in Baden-Württemberg providing solutions in automated data processing for communal institutions. They also provide multiple secured API endpoints *.dvvbw.de for a lot of cities, institutions and topics.
With the TYPO3 extension komm_one_jobs you can access just the job database for your city/institution.
You can install this extension via Composer with the following command:
composer req jweiland/komm-one-jobs