The Qualcomm process typically involves 4 or 5 rounds:
Round I
Aptitude Section: (30 min – 20 questions / Negative marking) Questions are moderate, but time is very limited. Be quick in this section!
Programming and Technical Section: (30 min – 20 questions, 30 min – 20 questions / Negative marking) Questions are based on programming fundamentals (C/C++). There were many questions on bit manipulation, so practice them. Focus on the basics of C/C++, Operating Systems, COA, Data Structures, and Algorithms. Again, be quick in this section.
Round II & III
Technical interviews involved questions on synchronization (Semaphores, Dining Philosopher's Problem, threads), DBMS ACID properties, types of keys, college projects, memory leakage, dangling pointers, modulation, linked lists, and Real-Time OS, among others.
Round IV
The HR round comprised simple and straightforward questions.
What is the underlying difference between 2G, 3G, and 4G?
What is modulation?
What is FDMA, TDMA, and CDMA?
The following metrics were computed from 69 interview experiences for the Qualcomm Engineer role in India.
Qualcomm's interview process for their Engineer roles in India is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having very good feelings for Qualcomm's Engineer interview process in India.