I first received a call for a phone interview with a manager of the team. It was a one-hour interview and consisted of questions about pointers, page faults, memory leaks, and CPU cycles.

I was asked to write a string concatenation function and a string comparison function without using built-in functions.

Then, as required for the position, the interviewer asked me many questions about 3D computer graphics. I was also asked about simple concepts in C++, like copy constructors, deep copies, and shallow copies.

If your basic computer science concepts are clear, you can get through this interview.

Then I was scheduled for a second phone interview. This interview was more computer graphics oriented. The interviewer emailed me two textured images and asked many questions about them. He then asked more position-oriented questions, such as defining benchmarks for a game I play on my smartphone.

This interview was more technical than the first and drilled through all the concepts required for the position.

Finally, I got a call for an on-site interview, which mainly consisted of questions about my past experience. I was asked to write code to find the most frequent character in a string.

Overall, it was a very good experience interviewing with Qualcomm. The interview process was very specific.

Based on the texture images I just emailed you, what do you think must have gone wrong? How would you fix it?