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Backend Software Engineer Interview Questions

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9,097 backend software engineer interview questions shared by candidates

The rounds were based on coding, data structures and algorithms, system design, HR and Hiring manager. Apart from tech there were a lot of questions on cultural fit. Preparing well on DSA and System Designs will end up in good results
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Software Engineer, Backend

Interviewed at Zalando

3.6★
Sep 17, 2019

The rounds were based on coding, data structures and algorithms, system design, HR and Hiring manager. Apart from tech there were a lot of questions on cultural fit. Preparing well on DSA and System Designs will end up in good results

In the first round, one problems was based on the Binary Search Trees and the other involved parallel search for a substring in a very long string. The interviewer expected the solutions to be syntactically correct and functional and was a stickler for corner test cases. I felt the interview to be too short for two problems whose solutions are expected to handle all possible test cases. In the third round, one problem was to build an algorithm for the mobile game Snakes which used to come in Nokia 3300 or something. I remembered the game as I had played it myself as a child. The other question was to merge a set of intervals (a set of pairs of time intervals).
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Backend Developer

Interviewed at Microsoft

4★
Feb 15, 2022

In the first round, one problems was based on the Binary Search Trees and the other involved parallel search for a substring in a very long string. The interviewer expected the solutions to be syntactically correct and functional and was a stickler for corner test cases. I felt the interview to be too short for two problems whose solutions are expected to handle all possible test cases. In the third round, one problem was to build an algorithm for the mobile game Snakes which used to come in Nokia 3300 or something. I remembered the game as I had played it myself as a child. The other question was to merge a set of intervals (a set of pairs of time intervals).

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