Qualcomm Embbeded Software Engineer interview questions

1 hour phone call regarding interest in the position, questions about RTOS, mainly general knowledge. 4.5 hour onsite interview with HR and 4 different people, 45 minutes each with lunch. People were from different network layers so each had their own expertise and questions, ranging from hardware to software.

1 round of technical phone interview. Asked about OS and C programming. The recruiter was friendly, first he asked about experiences on resume, then technical coding question using online compiler.