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Senior Backend Engineer Interview Questions

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2,796 senior backend engineer interview questions shared by candidates

* Find the longest palindromic substring of a given string input. * Implement a regex matching function with a bespoke DSL for the regex. * Implement a SQL query to display derived column information based on the condition of another column.
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Senior Backend Developer

Interviewed at Gigster

3.5★
Mar 27, 2024

* Find the longest palindromic substring of a given string input. * Implement a regex matching function with a bespoke DSL for the regex. * Implement a SQL query to display derived column information based on the condition of another column.

I think most of the interviews were discussion on what I have worked on what they're using and planning to use. However, after wasting 5+ hours, they simply send automated response. It's true that there are lots of companies which do this type of waste of time
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Senior Backend Engineer

Interviewed at Knotch

4★
May 30, 2025

I think most of the interviews were discussion on what I have worked on what they're using and planning to use. However, after wasting 5+ hours, they simply send automated response. It's true that there are lots of companies which do this type of waste of time

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