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2,045 principal software engineer interview questions shared by candidates

In technical round they had pre-set test cases for the construction site worker allocation sort of code assignment with worker class template in coder pad. Interviewer started with asking a bit about me and introduced himself briefly. That took 5 mins. He described the basic test case and i summarized it so that it is communicated if there is any misunderstanding.
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Principal Software Engineer

Interviewed at Procore Technologies

3.5★
Nov 23, 2022

In technical round they had pre-set test cases for the construction site worker allocation sort of code assignment with worker class template in coder pad. Interviewer started with asking a bit about me and introduced himself briefly. That took 5 mins. He described the basic test case and i summarized it so that it is communicated if there is any misunderstanding.

Last man standing problem Two inputs 1. Stream of numbers - 1,3,5,8,9,12,40 etc 2. Step number eg: 1 I have write a program that starts with first number and then steps on the 2nd and then returns 5 and steps on 8 and return 8 - program has to keep on working until only one number from the stream remains. When the step counter crosses the total numbers, it overflows to the beginning
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Principal Full Stack Software Engineer role.

Interviewed at Zillow

3.4★
Jul 29, 2022

Last man standing problem Two inputs 1. Stream of numbers - 1,3,5,8,9,12,40 etc 2. Step number eg: 1 I have write a program that starts with first number and then steps on the 2nd and then returns 5 and steps on 8 and return 8 - program has to keep on working until only one number from the stream remains. When the step counter crosses the total numbers, it overflows to the beginning

I had some brain teaser questions in the last step, when the head of the engineering department. It was of type minimum number of comparisons required to detect a ball that has a different weight than other balls.
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Principal Software Engineer

Interviewed at ApplyBoard

3★
Jul 22, 2025

I had some brain teaser questions in the last step, when the head of the engineering department. It was of type minimum number of comparisons required to detect a ball that has a different weight than other balls.

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