Frontend Developer with Moodle experience (m/w/d)

The client is looking for a Frontend Developer who has experience with the course management system "Moodle":
https://moodle.de/

The client is maintaining and developing a Moodle instance for an end customer.
The tasks are various bugfixes and new features in the frontend of Moodle.
Experience with PHP is therefore beneficial, but not mandatory.

Please only apply if you have worked with Moodle not only as a user, but as a developer, in a personal or client project.