I applied through college or university. The process took 1 day. I interviewed at Qualcomm
Interview
One online test, one technical round and one HR round. The online round covers the basics of OOPs and IQ. 15 questions in IQ, 10 in logic and reasoning and 15 in OOPs. In the Interview process, straight questions are asked but all basics of programming is necessary.
Interview questions [1]
Question 1
Nothing difficult, just basics of OS, algorithms and Compilers