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Senior Backend Developer Interview Questions

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1,024 senior backend developer interview questions shared by candidates

Take the following func in Python: def func(input1, input2): j = 0 count = 0 ret = "" i = 0 while i < len(input1): ret = ret + input1[i] if input1[i] == input2[j]: j = j + 1 if len(input2) == j ret = ret[0: (i-j)+1] + ("-" * len(input2)) j = 0 count = count + 1 i = i + 1 return ret, count For the following inputs, here's the outputs (for example only): bba, bb => --a, 2. It's like a masking function of the 2nd string inside the 1st string. The question: The function has a small bug, find an input that the function will return an incorrect ouput for it. After that, fix the bug.
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Senior Backend Developer

Interviewed at Zesty

4.1★
May 6, 2023

Take the following func in Python: def func(input1, input2): j = 0 count = 0 ret = "" i = 0 while i < len(input1): ret = ret + input1[i] if input1[i] == input2[j]: j = j + 1 if len(input2) == j ret = ret[0: (i-j)+1] + ("-" * len(input2)) j = 0 count = count + 1 i = i + 1 return ret, count For the following inputs, here's the outputs (for example only): bba, bb => --a, 2. It's like a masking function of the 2nd string inside the 1st string. The question: The function has a small bug, find an input that the function will return an incorrect ouput for it. After that, fix the bug.

Tech interview was more about what I have done so far ? What technology, tools were used in previous projects ? Then somemore specific question like - What is DI ? How will you write method to handle HTTP GET Request ? Some indirect questions about Interface.
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Senior Backend Developer

Interviewed at Raisin

4.2★
Jun 3, 2018

Tech interview was more about what I have done so far ? What technology, tools were used in previous projects ? Then somemore specific question like - What is DI ? How will you write method to handle HTTP GET Request ? Some indirect questions about Interface.

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