I applied through university. The process took 2 months. I interviewed at Fachhochschule Südwestfalen (Soest) in Mar 2017
Interview
First the candidate have to send an Email Application with transcripts, CV and coverleter included. If the academic performance is good enough (1.0 or 1.3) the Interview will be held by Professor and another supervisor (mostly her assistant). If got accepted, the applicant will get an email