I applied through a recruiter. The process took 2 weeks. I interviewed at Alpine Group (Irvine, CA) in May 2017
Interview
3 consecutive tests, each was directed by a different team of 3 juries.
multiple coding tests and questions on knowledge in number theory and data structures.
The interview lasted from 10:00 am to 4:30 pm
Interview questions [1]
Question 1
provide a formula to the n-th Fibonacci term that doesn't rely on the golden ratio.