I applied online. The process took 1 day. I interviewed at Frosmo (Helsinki, Southern Finland) in Sept 2015
Interview
It was quick and straight forward and traditional type, motivational questions came first then technical questions. There was nothing special about the interview, for engineering matters, you either know it or you just don't.
Interview questions [1]
Question 1
What has been the most complicated piece of application you have developed and describe it