I did a phone interview, the person was really nice and asked me basic questions like : "tell me about your self", "tell me about your experience", etc. Nothing too hard just prepare before hand about the company and the job position.

First interview with the HR. Second interview with the hiring manager. Third interview with the boss of the hiring manager. Each interview is less than a week apart. They provided a reasonable time range for you to choose the interview time slot. Very positive experience overall.