Senior Backend Developer Interview Questions

741 senior backend developer 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.

You must use a function called rand4 (which returns 0 through 4) to return a value which is random from 0 to 3 (in a new function called rand3). What's the best way to do this - while keeping it truly random? You cannot use the .NET random functions.
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Senior .NET Backend Developer

Interviewed at Rockstar Games

3.8
Apr 26, 2019

You must use a function called rand4 (which returns 0 through 4) to return a value which is random from 0 to 3 (in a new function called rand3). What's the best way to do this - while keeping it truly random? You cannot use the .NET random functions.

1. whats different between inhertance vs composition what you prefer 2, Write mysql query to get all author who has publish atleast 3 books... there were two table ( Author , books) 3. There was a code and i have to do code review 4. Learn interface , SOLID , depency inversion principle 5. Mysql joins and group by and having clause The salary is too low they are giving 67k for mid to senior level. They will promise that they have budget till 85k and in the interview they will tell that you are not upto mark with all skills so we can offer you mid level position and we can offer you max 67k. they wasted my time... My interview went pretty good but. still they told me my mysql part is week.
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Senior Backend Developer

Interviewed at GotPhoto | fotograf.de

2
Nov 17, 2022

1. whats different between inhertance vs composition what you prefer 2, Write mysql query to get all author who has publish atleast 3 books... there were two table ( Author , books) 3. There was a code and i have to do code review 4. Learn interface , SOLID , depency inversion principle 5. Mysql joins and group by and having clause The salary is too low they are giving 67k for mid to senior level. They will promise that they have budget till 85k and in the interview they will tell that you are not upto mark with all skills so we can offer you mid level position and we can offer you max 67k. they wasted my time... My interview went pretty good but. still they told me my mysql part is week.

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