I applied online. The process took 2 weeks. I interviewed at hetras
Interview
They asked reasonable questions and gave me a test coding tasks. I took it offline and it was interesting to solve. The coding task was about implementing a tool to count score in bowling game
I applied through an employee referral. The process took 3 days. I interviewed at hetras (Munich, Bavaria) in Jul 2015
Interview
There are five interview. First one is remote call for screening and simple online coding. Then four interview onsite, first one is general with HR, second is technical with developer, third with CTO and the last one with CEO.