I applied online. The process took 2 weeks. I interviewed at Numerex in Sep 2016
Interview
5 Rounds of interview
Phone screen by HR and then by Manager
3 - Technical phone interviews with developers, release engineers and project managers.
and finally flew me to Dallas for face to face interview and then offered me job.
1 - Face to face interview
Interview questions [1]
Question 1
Questions on basic Linux questions, Software development, Release management