Quality Engineering Interview Questions

382 quality engineering interview questions shared by candidates

-Introduce yourself(the only behavioural i got, I didnt get any situationals after this either, after this question it was all technical) -why did you use this pytest framework and not robot framework in your project? -how many automation framworks are you familiar with -if you were a QE and a developer gave you a fake page what would you do? how will you test it? -how do you run individual tests in maven? -why and how did you use selenium in this project? -what are linked hashmaps(this one tripped me up a bit lol cuz we were only taught hashmaps in out data structures class) -what is recursion? -between java and python which are you more comfortable with -write a factorial recursive function in java -if you had a word, write code to return the letters that are not duplicates(e.g a word like "google" your code should return only "l" and "e"(non-duplicates)) in python. -basically explained my personal projects to them and then they asked me followups plus (basically everything ive listed above)
Jun 23, 2025

-Introduce yourself(the only behavioural i got, I didnt get any situationals after this either, after this question it was all technical) -why did you use this pytest framework and not robot framework in your project? -how many automation framworks are you familiar with -if you were a QE and a developer gave you a fake page what would you do? how will you test it? -how do you run individual tests in maven? -why and how did you use selenium in this project? -what are linked hashmaps(this one tripped me up a bit lol cuz we were only taught hashmaps in out data structures class) -what is recursion? -between java and python which are you more comfortable with -write a factorial recursive function in java -if you had a word, write code to return the letters that are not duplicates(e.g a word like "google" your code should return only "l" and "e"(non-duplicates)) in python. -basically explained my personal projects to them and then they asked me followups plus (basically everything ive listed above)

Onsite: 1. Testing this model. Seller or Publisher <==> AppNexus Sever <==> Buyers or Bidder The highest bidder wins and he/she only need to pay by the second highest bidding + .01, how to test this policy? ( consider all of the cases the policy may fail, for example, all bidding are same, etc ) 2. Algorithm. Give a set of numbers, check if there is a subset whose summation is equal to a given number. First give the idea of your algorithm and then test it. Second, review a solution to this problem and look for bugs. Different from the class DFS, this solution is divide-and-conquer. For example, check (1, 3, 5 ) -> 6 will be divided to check ( 3, 5 ) -> 5.
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Quality Engineering Analyst

Interviewed at AppNexus

4
May 6, 2015

Onsite: 1. Testing this model. Seller or Publisher <==> AppNexus Sever <==> Buyers or Bidder The highest bidder wins and he/she only need to pay by the second highest bidding + .01, how to test this policy? ( consider all of the cases the policy may fail, for example, all bidding are same, etc ) 2. Algorithm. Give a set of numbers, check if there is a subset whose summation is equal to a given number. First give the idea of your algorithm and then test it. Second, review a solution to this problem and look for bugs. Different from the class DFS, this solution is divide-and-conquer. For example, check (1, 3, 5 ) -> 6 will be divided to check ( 3, 5 ) -> 5.

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