The interview process was fairly simple. HR is pretty quick and responsive to emails. In the beginning, I got a call from HR, which included some technical screening (linux, networking etc.) , following which I was scheduled for a coding interview.
Their coding interview is not crazy, it is focussed on performance and efficiency (please be thorough with complexity analysis). HR provides you with proper material for preparation.
During my coding interview, it appeared like my interviewer was a bit impatient (when I tried talking aloud my approach while programming) and at times I also had difficulty following him as well (I tried level best in keeping up and clarifying). Overall I thought I had done well with the coding interview because one of the questions involved around "battleship" which I clarified I am just familiar with, but I think I was still able to get something working as a solution. I did hear back from HR, as they decided not to proceed further (as they had better candidates). I thought I did stutter and feel nervous at one point, which may have made the interviewer a bit impatient. So my advice, be confident, clarify and also pray that you find a patient interviewer.