I applied online. The process took 4 weeks. I interviewed at Qualcomm (Cork) in Mar 2020
Interview
Microsoft Teams Call with a few questions. The interviewer asked about few concepts related to C language and its application on embedded systems. The questions were medium but it is necessary to show experience on the field. The call took 25 minutes.
It is the phone call interview. The group works on drive of the modem. lost of OS problems and baisc c++ problems. Don't allow you to change language to solve the problem.
Basic C programming questions, multi-threading, mutex, semaphore, spinlock, cache and memory questions, Resume Questions. It was a medium level interview. There were questions on unsigned and signed numbers, C keywords (storage class specifiers). Good experience overall.