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Lead Backend Developer Interview Questions

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12,381 lead backend developer interview questions shared by candidates

1) string question that involved Time Complexity - swapString() - switching between 2 words in a string - ex:"helloworld" -> "worldhello"- ended up being recursion - 2) system design question to design an internal chat
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Backend Developer

Interviewed at Fiverr Inc.

4.1★
Jan 14, 2025

1) string question that involved Time Complexity - swapString() - switching between 2 words in a string - ex:"helloworld" -> "worldhello"- ended up being recursion - 2) system design question to design an internal chat

Round 1: Basic java questions (interviewer might have opened the top 50 interview questions link on google actually) Round 2: coding round - Role base authentication system: no feedback provided for this round, about coding skills, design pattern, no comments at all. Just you have cleared the interview round. 3. Open ended discussion : interviewer are inexperienced and only talks about theory they have studied, no practical discussion and are confused if you ask questions.
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Senior Backend Developer

Interviewed at Locus

3.7★
Jun 10, 2020

Round 1: Basic java questions (interviewer might have opened the top 50 interview questions link on google actually) Round 2: coding round - Role base authentication system: no feedback provided for this round, about coding skills, design pattern, no comments at all. Just you have cleared the interview round. 3. Open ended discussion : interviewer are inexperienced and only talks about theory they have studied, no practical discussion and are confused if you ask questions.

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