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Backend Software Engineer Interview Questions

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2,333 backend software engineer interview questions shared by candidates

90 minute take-home test: The take-home test was quite easy. I prefer not to give out their question. 30 minute interview with hiring manager: Basic CS questions about distributed computing and scaling type questions with some algorithm and network session and API type questions.
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Senior Backend Software Engineer

Interviewed at Syapse

4.2★
Jul 25, 2018

90 minute take-home test: The take-home test was quite easy. I prefer not to give out their question. 30 minute interview with hiring manager: Basic CS questions about distributed computing and scaling type questions with some algorithm and network session and API type questions.

Codility assessment: Minimum number of characters to delete from a string so that each character appears unique number of times. Note: You can delete all occurances of characters. eg: "aaaabbbb" -> 1 "a" or 1"b" would make "a" and "b" appear unique number of times. Given number in binary form, if its even -> you can divide it by 2; if its odd -> you can substract 1 from it. You can repeat above steps as many times as you want to reach 0. How many steps it took to reach zero? SQL question to select records from two tables using joins etc.
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Software Engineer, Backend

Interviewed at Tesla

3.5★
Dec 8, 2019

Codility assessment: Minimum number of characters to delete from a string so that each character appears unique number of times. Note: You can delete all occurances of characters. eg: "aaaabbbb" -> 1 "a" or 1"b" would make "a" and "b" appear unique number of times. Given number in binary form, if its even -> you can divide it by 2; if its odd -> you can substract 1 from it. You can repeat above steps as many times as you want to reach 0. How many steps it took to reach zero? SQL question to select records from two tables using joins etc.

- What your experience with APIs? - What your experience with Micro services? - What was your roles in your past experiences? - How did you/would you implement a SaaS with Django? - What DevOps experience you have? - Do you have any Frontend experience?
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Backend Software Engineer

Interviewed at Ixlayer

3.4★
Dec 6, 2021

- What your experience with APIs? - What your experience with Micro services? - What was your roles in your past experiences? - How did you/would you implement a SaaS with Django? - What DevOps experience you have? - Do you have any Frontend experience?

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