Senior Full Stack Engineer Interview Questions

829 senior full stack engineer interview questions shared by candidates

The first interview involved implementing the following functions: Implement Array.prototype.forEach Implement Array.prototype.map using your forEach Implement Array.prototype.reduce using your map function Implement the debounce concept (using setTimeout)
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Senior Full Stack Engineer

Interviewed at Riverside.FM

4.3
Apr 3, 2025

The first interview involved implementing the following functions: Implement Array.prototype.forEach Implement Array.prototype.map using your forEach Implement Array.prototype.reduce using your map function Implement the debounce concept (using setTimeout)

Guys most of the questions are above, here I'm gonna share the question I failed, as I promised the interviewer that I'm gonna solve it, I just needed more time. The most difficult question is the following: we have this array: $input = [ 'item/id' => 'my_id', 'item/title' => 'my_title', 'item/group1/val1' => 'my_val1', 'item/group1/val2' => 'my_val2', 'summary' => 'xyz', 'item/group1/val3' => 'my_val3', ]; We need to convert it to : Array ( [item] => Array ( [id] => my_id [title] => my_title [group1] => Array ( [val1] => my_val1 [val2] => my_val2 [val3] => my_val3 ) ) [summary] => xyz ) This is using PHP.
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Senior Full Stack Software Engineer

Interviewed at Feedonomics

4.4
Mar 26, 2021

Guys most of the questions are above, here I'm gonna share the question I failed, as I promised the interviewer that I'm gonna solve it, I just needed more time. The most difficult question is the following: we have this array: $input = [ 'item/id' => 'my_id', 'item/title' => 'my_title', 'item/group1/val1' => 'my_val1', 'item/group1/val2' => 'my_val2', 'summary' => 'xyz', 'item/group1/val3' => 'my_val3', ]; We need to convert it to : Array ( [item] => Array ( [id] => my_id [title] => my_title [group1] => Array ( [val1] => my_val1 [val2] => my_val2 [val3] => my_val3 ) ) [summary] => xyz ) This is using PHP.

I don't want to write any specific question because it was super fair and based off my experience. There weren't any curve balls or data structures / algorithms in my interview which was a breath of fresh air. If you haven't interviewed in a bit just make sure you know how to talk about your resume and can code without intellisense. Be able to explain your code as well.
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Senior Full Stack Software Engineer

Interviewed at American Express

4.1
Aug 4, 2019

I don't want to write any specific question because it was super fair and based off my experience. There weren't any curve balls or data structures / algorithms in my interview which was a breath of fresh air. If you haven't interviewed in a bit just make sure you know how to talk about your resume and can code without intellisense. Be able to explain your code as well.

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