I applied through a recruiter. The process took 2 weeks. I interviewed at Essensium (Leuven) in Feb 2017
Interview
The procedure begins with a phone interview.
Then a internet test (5-6 technical question to be answered back within an hour)
Next come a face to face technical interview (very technical and goes deep in details)
Finally a proposal.
Interview questions [1]
Question 1
Internet test aim at testing general knowledge of C,C++, Linux, and embedded system.