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      Test Engineer Interview

      18 Jun 2022
      Anonymous interview candidate
      Hyderābād
      No offer
      Positive experience
      Difficult interview

      Application

      I applied online. I interviewed at Qualcomm (Hyderābād) in Jun 2021

      Interview

      I got a call from Qualcomm HR and scheduled an interview two day's after the call. The interview is for 2 hours, with each round of 1 hour duration back to back. The interview is moderate to tough.

      Interview questions [8]

      Question 1

      Explain about OFDMA technology and how do you ensure subcarriers are orthogonal.
      Answer question

      Question 2

      UE network attach procedure and while explaining following questions were asked : I. How UE does frequency scan. II. How does UE decode PCI(What are Synchronization signals used) III. RACH procedure overview. IV. UE identities in LTE(Focused on GUTI and TMSI).
      1 Answer

      Question 3

      What is a resource element, resource block, physical resource block.
      Answer question

      Question 4

      What is the functionality of DL-SCH and what is a transport block.
      Answer question

      Question 5

      What is MIMO and why it is used. How many number of spatial stream's does LTE and 5G-NR used.
      Answer question

      Question 6

      If 64QAM is used for data transmission and it gives throughput x, then how much throughput does 256QAM gives.
      1 Answer

      Question 7

      How does frequency effect RX power(Basically Friis transmission equation).
      1 Answer

      Question 8

      In a wireless access point network scenario what happens to the station when it is turned on.
      Answer question

      Other Test Engineer interview reviews for Qualcomm

      Test Engineer Interview

      30 Jan 2026
      Anonymous interview candidate
      San Diego, CA
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Qualcomm (San Diego, CA)

      Interview

      Pretty good only one hr as it was contract position the he was knowledgeable guy and help me where I was lack or can say guided me did not bully like I know the stuff or remove his frustration.

      Interview questions [1]

      Question 1

      What is Modulation how it work how it affects the TP
      Answer question

      Test Engineer Interview

      11 Nov 2024
      Anonymous interview candidate
      San Dimas, CA
      No offer
      Negative experience
      Average interview

      Application

      I applied online. I interviewed at Qualcomm (San Dimas, CA) in Sept 2024

      Interview

      One of the worst recruiter experience I ever had. There were two recruiters coordinating with me to schedule interviews. Recruiters never responded to my email. Even they did not send me a rejection email until I followed up two times in two weeks. Then they sent me an auto generated email. I completed all the stages including final panel interview. Few interviewers were asking very specific questions that only product developers should be able to answer even though it is a test engineer position. Felt like they were looking for software developer at test engineer salary.

      Interview questions [1]

      Question 1

      Sensor Fusion, sensor calibration, Autonomous driving
      Answer question

      Test Engineer Interview

      29 Aug 2024
      Anonymous interview candidate
      Singapore
      No offer
      Positive experience
      Average interview

      Application

      I interviewed at Qualcomm (Singapore)

      Interview

      Interview process took roughly an hour with 2 interviewers. Questions mainly related to what was on my resume, mainly those related to the role, like my internship experience and final year project in my last year at university. Was asked to draw and explain my project as well as write down in code or pseudo code to a simple calculation problem.

      Interview questions [1]

      Question 1

      Looking back at your final year project now, what technical improvements could you have made?
      Answer question