Do you like Math?
Backend Software Engineer Interview Questions
2,346 backend software engineer interview questions shared by candidates
Tell us about a mistake you made.
Traverse the binary tree in zig-zag order.
Given a matrix print the elements in spiral order.
You are given two pairs XML files, one is large pair and one small pair, we need to find the diff of the respective pairs.
Build a number of API endpoints.
I was asked about the company's processes.
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.
Question on BFS
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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