Backend Developer Interview Questions

9,196 backend developer interview questions shared by candidates

Given a string s, return the number of palindromic substrings in it. A string is a palindrome when it reads the same backward as forward. A substring is a contiguous sequence of characters within the string. Example 1: Input: s = "abc" Output: 3 Explanation: Three palindromic strings: "a", "b", "c". Example 2: Input: s = "aaa" Output: 6 Explanation: Six palindromic strings: "a", "a", "a", "aa", "aa", "aaa".

Backend Developer Intern

Interviewed at Zevi

3.6
Apr 22, 2024

Given a string s, return the number of palindromic substrings in it. A string is a palindrome when it reads the same backward as forward. A substring is a contiguous sequence of characters within the string. Example 1: Input: s = "abc" Output: 3 Explanation: Three palindromic strings: "a", "b", "c". Example 2: Input: s = "aaa" Output: 6 Explanation: Six palindromic strings: "a", "a", "a", "aa", "aa", "aaa".

Explain the architecture of your project its main API, admin apps, configuration, properties, data base and all. Explain the performance & business perspective of your API. Explain spring security. Architecture of project (core module and all). How atomicity of transaction is ensured.
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Java Backend developer

Interviewed at Binaryveda Software Solutions

4.4
Sep 25, 2024

Explain the architecture of your project its main API, admin apps, configuration, properties, data base and all. Explain the performance & business perspective of your API. Explain spring security. Architecture of project (core module and all). How atomicity of transaction is ensured.

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