Qualcomm Engineer Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 230 interview experiences · FREE TO READ
Candidate interview experiences
First-hand accounts from people who interviewed at Qualcomm.
Qualcomm
Engineer
Entry Difficult Positive experience Accept offer 2 rounds
Interview process
Technical screen
Interview formats
Technical Coding
It was 2 rounds, and they were both technical, focusing on computer architecture and performance. They asked me about RISC and how to improve performance on superscalar computers. The interviewer didn't expect me to know everything but wanted to see if I understood the basics of superscalar.
Confirmed questions2 questions
- Can you explain superscalar architecture and RISC architecture?
- How can performance be improved on superscalar systems?
Qualcomm
Engineer
Intern Difficult Positive experience Accept offer 2 rounds
Interview process
Recruiter call Technical screen
Interview formats
Behavioral Technical Coding
The interview process involves two technical rounds for interns. These rounds include code analysis and actual coding problems, where you need to explain your thought process as you go. The initial round with the recruiter is semi-behavioral, focusing on whether you're a good fit.
Confirmed questions2 questions
- Can you explain bitwise shifting?
- Can you explain bitmasking?
Qualcomm
Engineer
Entry Average Negative experience No offer 2 rounds
Interview process
Technical screen Technical screen Recruiter call
Interview formats
Technical Coding Technical
I did an off-campus interview with Qualcomm and went through two tech interview rounds. Both went well and got positive feedback. But then HR ghosted me. I tried calling and emailing but got no response or updates. Super unprofessional and a waste of time, honestly. Very unethical.
Confirmed questions8 questions
- Can you explain OS concepts with examples?
- What are OOPs concepts, and can you show example code?
- How would you delete a Node in a LinkedList?
Qualcomm Engineer Interview Questions
Quoted word for word from Qualcomm interview reports.
“Count the number of set bits in a 32-bit integer. Can you modify the program so the loop doesn't run more times than there are set bits?”
Read reports →“Write Verilog code for a sequence detector that identifies '1001' with overlapping using a Moore FSM.”
Read reports →“Write a program to determine the number of digits in the decimal representation of a number entered by the user.”
Read reports →“How would you devise a method to count the occurrences of '1' in a 7-bit vector, utilizing exclusively 1-bit full adders?”
Read reports →“How would a CPU detect an incoming interrupt pulse from various IPs if the pulse rate is unknown?”
Read report →“If you select two random variables uniformly distributed between 0 and 1, what is the probability distribution for the maximum of these two variables?”
Read report →“What are the concepts behind variable refresh rate, and how do you find out the current refresh rate?”
Read report →“What would sizeof(int), sizeof(int*), and sizeof(int**) evaluate to? Also, can you write your own version of the sizeof() function?”
Read report →“Regarding FIFO depth calculation, what would you determine if the write speed is double the read speed, given a burst length expectation of 100 data within 110 cycles?”
Read report →Formats, difficulty and experience
Across all 230 Qualcomm interview reports.