Backend Software Engineer Interview Questions

9,093 backend software engineer interview questions shared by candidates

Coding questions: 1. Given two strings s1 and s2 , find whether s2 is rotated version of s1 or not 2. Given an array find first non repeating integer. 3. Given a stack , remove middle element without using extra data structure 4. Search element in BST , provided leaf nodes are connected to each other forming circular doubly linked list. SQL and mongodb query ACID property Normalization caching mathematical series puzzle: given series ABBCCCDDD.... find 97th element? one system design question
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Backend Developer

Interviewed at Rebel Foods (Formerly Faasos)

3.8
Aug 25, 2021

Coding questions: 1. Given two strings s1 and s2 , find whether s2 is rotated version of s1 or not 2. Given an array find first non repeating integer. 3. Given a stack , remove middle element without using extra data structure 4. Search element in BST , provided leaf nodes are connected to each other forming circular doubly linked list. SQL and mongodb query ACID property Normalization caching mathematical series puzzle: given series ABBCCCDDD.... find 97th element? one system design question

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