Qualcomm

Phone interview, followed by 3 rounds of face-to-face interviews. Questions on C: (check nuances of C like alignments/pointers) Data Structures: Linked Lists questions Operating Systems: Process interactions/scheduling/race conditions/deadlocks etc.

There were four rounds of full interviews. Each interview was four to five hours long, with lunch in between. The HR round was last; there wasn't much to it, though. Overall, it was a good experience. The people were very knowledgeable.

Initial HR round: General questions. Online: 3 rounds of technical interviews. 3 rounds with 3 different people. Technical round had programming and work-related questions. Some interviewers were tough. Some were lenient. Another HR round.