I applied online. I received a phone call one week later in order to get informed that I would be invited for an on-site interview in the company headquarters in Munich. Two days before the interview, they sent me a technical case study that I had to prepare and present during the interview. Basically, this was the only challenging part of the entire process, since the topic of this case study was a bit difficult and I had only 2 days to prepare it. However, I believe that the way that I approached the topic left a good impression