Qualcomm Softwaretest Engineer Interview Questions and Answers

Interview preparation tips for other job seekers - DSA is must

General Tips: Round 1: Resume screening. They shortlisted 96 people for the personal Interviews as they have the large requirement. Visiting profiles: Software + Hardware. Location: Bangalore

Round 2: Technical Interview

It was a grilling round of total 1 hr 45min. The interviewer seems so cool and has lots of patience. He was so keen on listening to all the words.

1. Tell me about your M.Tech project?
2. Tell me about your M.Tech Mini Project?
3. How would you design an efficient digital traffic light signal system?
4. Which part of the memory is allocated, when malloc and calloc are called for any variable?
5. How would you measure the stack space without using the task manager, when an application is running on a computer? Write an algorithm if possible!!!
6. When a game is running on a computer, what are the resources it will use on a computer? Firmware, Middleware, drivers, Application characteristics, stack
7. Rate yourself in C and C++?
8. What is a virtual function?
9. What is an Inline function?
10. What is the difference between malloc and calloc?
11. Tell me about the storage classes and their memory allocation?
12. Difference between int* const c and const int* c?
13. What is the virtual memory?
14. What is an abstract class and what is the use of it?
15. What is the difference between new and malloc?
16. What are cache and TLB?
17. If you're joined in Intel and was given a cubicle to work, which is far away from your department. How would you feel?
18. Continuation of Q.17, You agreed to stay away from the working department. Two months later, new joinees are given the cubicles to work, inside the department and still, you're working in the lab allotted initially. Now, how will you feel?
19. How would you test a black box using new test cases, given results for old test cases?
20. What are the precautions to consider while installing a new software on a new server? Check whether server is correct or not first and then start installation process
21. How would you check whether stack space is overflowed or not?
22. A simple code on brute force approach, Given a hotel check-in and checkOut list(of a month) containing a number of persons check-in and checkOut on each and every day, find out the days which has maximum check-in and maximum CheckOut?
23. A psychometric question, If your colleague who is a very close friend, is not following the code and conduct of the firm. What would you do, Whether you will report to the higher officials or not(Reporting to higher officials would break the friendship bond)?

Actually, I forgot many of the questions asked during the Interview. Overall, the interviewer was so helpful in giving the hints when required.

Round 3: Hr round- 20min interview

Tell me about your recent project?
Why Intel?
How many interviews do you have today apart from Intel?
What are your Preference departments in Intel?
Finale 33 placed(software+hardware)! I was one among them and I was selected for the software domain.
Tips: Go through all the OS concepts, Memory Management concepts
Skills: Basic C/C++, MMU, OS, Communication, Problem Solving, Decision Making Skills
College Name: IIT Kharagpur

Interview preparation tips for other job seekers - Have a deep knowledge about your field of experience, narrow knowledge is not going to help you here as there are more numbers of interviews and that will definitely going to beat you with its uncertainty of the questions so better prepare throughly

Round: Test
Experience: Questions were based on C concepts, given piece of code, find error, output, etc then data structures, bit manipulation, a few aptitude questions were also there (around 5-7).
Tips: Practice aptitude, C, data structures (geeksforgeeks.org is a good source).
Duration: 1 hour
Total Questions: 30

Round: Technical + HR Interview
Experience: I was asked to explain project in detail, I had done projects on embedded, so was asked about that, details like what fields did you use in that structure, why this implementation and not some related other. Memory management, network communications, operating systems. Then questions on C concepts like memory allocation, function pointers, then data structures like linked lists, then bit manipulation in registers. Questions from electrical coursework. Then later, why higher studies, would you still go for higher studies if you had a good job at a company, why etc.
Tips: Be thorough with C (know your Kernighan & Ritchie) and be prepared to go into details about your projects.

Skills: C, Data Structures, Coursework Understanding, Project And Internship
College Name: IIT Madras

Round: Test
Experience: The test had three sections:
1.aptitude:It was like any other aptitude test,all it takes is a bit of practice to crack all the questions
2.C programming:Basics of c were asked,outputs of some programs,u have to be thorough with concepts of c
3.Electronics:The company hired for both profiles: 1. PDK:software
and 2.Logic library:hardware,so this electronics section was also there,questions are mostly Network analysis,cmos logic,digital logic,vlsi etc
u should have good basics to get the electronics questions of course they are not very hard,but not too easy


Tips: practice aptitude,basics of c programming and also basics of electronics
Duration: 1 hour 30 minutes
Total Questions: 60

Round: Test
Experience: after 1st round i was shortlisted to this technical round,i was asked this question, i suggested that i will convert that number into a string and check whether string has a dot or not to check if it is float or int,the interviewer was not very impressed but was ok and asked few small questions and promoted me to next round

Tips: If u crack test with top marks,the technical rounds will be very easy,because the interviewers do not ask tough questions for people who cracked written test with high marks

Round: Technical Interview
Experience: tell me about yourself,strengths,weakness,three principles u follow in life,etc
Tips: This round depends on you,dont try to bluff something,they will know if u are bluffing,take a breath and speak up ur mind,be confident u can do it

Round: HR Interview
Experience: same questions,but this time less duration,not involving lengthy discussions, i think this round was just for double check

Round: HR Interview
Experience: After the hr round,only seven were shortlist,this interview round was very much easy and they checked my approach to the given problem,they were checking how well i am thinking adding complexities to the given problem
Tips: they did not check my programming ability,but just problem solving skills,so be good at aptitude,by practicing as much as you can

Round: Group Discussion
Experience: after technical interview,4 were shortlisted,so they went for gd round,it was general topic,which checks your general knowledge
Tips: Dont be nervous,just speak what ever you know,never mind language issues
Duration: 20 minutes

Skills: for pdk profile :programming
College Name: NIT Warangal