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Senior Frontend Engineer Interview Questions

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Explain why certain feature of JavaScript exists. Without running the code tell what the output of a function would be. Do a code review and tell how the code can be improved. Write a function (leetcode easy/medium, but not too abstract).
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Senior Software Engineer - Frontend

Interviewed at Perpetua

3.6★
Mar 30, 2023

Explain why certain feature of JavaScript exists. Without running the code tell what the output of a function would be. Do a code review and tell how the code can be improved. Write a function (leetcode easy/medium, but not too abstract).

the interview process includes questions about JavaScript fundamentals and how it works under the hood. The frontend live coding round involved implementing a fetch call to retrieve data, displaying the results, and adding a search feature. I was also asked to create a custom hook for debouncing user input.
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Senior Frontend Engineer

Interviewed at STARZ Play

3.5★
May 29, 2025

the interview process includes questions about JavaScript fundamentals and how it works under the hood. The frontend live coding round involved implementing a fetch call to retrieve data, displaying the results, and adding a search feature. I was also asked to create a custom hook for debouncing user input.

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