The position was for Bangalore location for network stack development. First round was telephonic discussion. Was asked to brief about past experience. They were very professional. They explained about the company and the role they are recruiting for. Got a call again for F2F. Before the interview began, recruiter have shown me a video of what they do. There were 3 Technical,1 director round and 1 HR. Director round was even technical discussion. 1 technical round was about domain expertise, 1 was about c programming and data structures, 1 was about design. Even director round was some discussion about design. All the discussions were friendly, open minded and receptive of new ideas.