A phone call followed by a zoom call. The phone call was just an introductory talk with a person from the Talent Acquisitions team, the second talk was with the Head of IT and a Senior System Engineer.
I applied online. The process took 2 days. I interviewed at Celonis
Interview
There was a phone call interview, where general questions were asked and a video conference interview with the team staff, where I had to do a presentation about a topic of my choice and answer more in depth questions.