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9,388 lead backend developer interview questions shared by candidates

Other rounds were normal but in one of the rounds interviewer asked to explain me my current companies architecture which I explained in detailed but it seemed he understood almost nothing because he didn't have that domain knowledge. And based on this he rejected.
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Backend Engineer III

Interviewed at CrowdStrike

3.8★
May 27, 2024

Other rounds were normal but in one of the rounds interviewer asked to explain me my current companies architecture which I explained in detailed but it seemed he understood almost nothing because he didn't have that domain knowledge. And based on this he rejected.

1. Given string s and integer k. Find max number of vowels in substring of size k. a,e,i,o,u s = "abciiidef", k = 3 Output: 3 ("iii") s = "aeiou", k = 2 Output: 2 s = "abhishek", k = 4 Output : 2 2. You have N bags of candy. The ith bag contains arr[i] pieces of candy. It takes you 1 minute to eat all of the pieces of candy in the bag , and as soon as you finish, the bag refills with x/2 pieces of candies. You have k minutes to eat as much candy as possible. How many pieces of candy can you eat? N = 5 k = 3 arr = [2, 1, 7, 4, 2] output = 14
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SDE-2 Backend

Interviewed at Amazon

3.5★
Dec 6, 2021

1. Given string s and integer k. Find max number of vowels in substring of size k. a,e,i,o,u s = "abciiidef", k = 3 Output: 3 ("iii") s = "aeiou", k = 2 Output: 2 s = "abhishek", k = 4 Output : 2 2. You have N bags of candy. The ith bag contains arr[i] pieces of candy. It takes you 1 minute to eat all of the pieces of candy in the bag , and as soon as you finish, the bag refills with x/2 pieces of candies. You have k minutes to eat as much candy as possible. How many pieces of candy can you eat? N = 5 k = 3 arr = [2, 1, 7, 4, 2] output = 14

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