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15,496 backend developer interview questions shared by candidates

They asked me to build a PHP Command line script that will take an URL (endpoint with an array of events) and two dates and I had to filter the array by the events that were available between those dates. Had 2 hours, I could use frameworks or anything but had to be documented in a Readme.
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PHP Backend Engineer

Interviewed at GetYourGuide

3.1★
Mar 31, 2018

They asked me to build a PHP Command line script that will take an URL (endpoint with an array of events) and two dates and I had to filter the array by the events that were available between those dates. Had 2 hours, I could use frameworks or anything but had to be documented in a Readme.

Given unlimited space, build a data-structer that can do: 1. insert any kind of data such as number/charachter 2. remember the order of insertion 3. at any given time, you can get a call that contain a rang to be deleted from the current data you have saved do far(e.g. 100-200) try to accomplish this faster than O(N)
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Backend Engineer

Interviewed at JFrog

4.3★
Aug 13, 2019

Given unlimited space, build a data-structer that can do: 1. insert any kind of data such as number/charachter 2. remember the order of insertion 3. at any given time, you can get a call that contain a rang to be deleted from the current data you have saved do far(e.g. 100-200) try to accomplish this faster than O(N)

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