Met the engineers at Career fair. Got callback a week later. Interview had two technical rounds. First round was with the manager (1 hour). Second round was with a developer (45 min)

I was referred to this position by a friend who had interned there during the summer. I got an email in 5-6 days asking me to schedule a 4 hr onsite interview at the Raleigh office. 4 members of the team interviewed me. Each asked questions based on one project from my resume and gave a relevant coding problem. Was asked to code in any language I was comfortable with on the white board.