Front End Software Engineer Interview Questions

852 front end software engineer interview questions shared by candidates

Why do you want to work at gatsby? What is one thing you would change about the existing framework? what area would you be interested in working in? Tell us about a project you did and working with others in the process? (questions follow this pattern)
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Software Engineer - Front End

Interviewed at Gatsby (CA)

4.1
Jul 29, 2021

Why do you want to work at gatsby? What is one thing you would change about the existing framework? what area would you be interested in working in? Tell us about a project you did and working with others in the process? (questions follow this pattern)

1. Implement a password check. Essentially, evaluate if a string contains one uppercase, one lowercase, one digit, and one "special character". I had to ask for clarification on what a "special character" is here and was told anything that does not fall in the above. 2. Refactor a React component from the existing lifecycle methods into a functional component with hooks. This also came up multiple times in step 2, which was a bit of a yellow flag for me as they really honed in on this relatively simple problem. 3. Center a div inside its parent. 4. A tooltip is appearing inside a div, move it outside.
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Front End Software Engineer

Interviewed at Brightidea

4
Feb 10, 2021

1. Implement a password check. Essentially, evaluate if a string contains one uppercase, one lowercase, one digit, and one "special character". I had to ask for clarification on what a "special character" is here and was told anything that does not fall in the above. 2. Refactor a React component from the existing lifecycle methods into a functional component with hooks. This also came up multiple times in step 2, which was a bit of a yellow flag for me as they really honed in on this relatively simple problem. 3. Center a div inside its parent. 4. A tooltip is appearing inside a div, move it outside.

Using a language of your choice, how would you create a way in which we can store multiple key-value pairs? How would you create ways to get a key-value pair from this system? How would you insert a key-value pair into this system? How would you code to a way to cap the system on holding no more 'N' key-value pairs? This question also included other edge cases like how would we deal randomly selecting a key-value pair to delete.
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Senior Software Engineer Front End

Interviewed at Medallia

3.1
Sep 23, 2022

Using a language of your choice, how would you create a way in which we can store multiple key-value pairs? How would you create ways to get a key-value pair from this system? How would you insert a key-value pair into this system? How would you code to a way to cap the system on holding no more 'N' key-value pairs? This question also included other edge cases like how would we deal randomly selecting a key-value pair to delete.

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