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13,274 frontend software engineer interview questions shared by candidates

Online test: Tricky JS fundamental questions 1st technical round: Rewrite `Array.reduce` function, 1 string manipulation problem, write a LazyLoad component, rewrite `debounce` function, mock a layout in CSS . 2nd technical interview: 1 Leetcode medium equivalent problem, describe how you solve it and the time complexity as well. write a toastMessage function (equivalent to notistack). 3rd technical interview: Write a Dropdown component.
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Frontend Engineer

Interviewed at Shopee

3.7★
Feb 9, 2021

Online test: Tricky JS fundamental questions 1st technical round: Rewrite `Array.reduce` function, 1 string manipulation problem, write a LazyLoad component, rewrite `debounce` function, mock a layout in CSS . 2nd technical interview: 1 Leetcode medium equivalent problem, describe how you solve it and the time complexity as well. write a toastMessage function (equivalent to notistack). 3rd technical interview: Write a Dropdown component.

All questions were simple. It seems that a designer lady and engineering manager have lack of interviewer skills, because they do it like this: "what is X?" *listening* "thank you, what is Y?" *listening* and this was the whole process. They only asked a leading question once. The designer lady doesn't know how to clarify questions, she asked me "what is design system?" I got confused a little and asked her if she could ask something specifically to help with my train of thoughts, and she responds "yes, sure, design system, what is it?".
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Frontend Developer

Interviewed at Treatwell

4.1★
Dec 22, 2024

All questions were simple. It seems that a designer lady and engineering manager have lack of interviewer skills, because they do it like this: "what is X?" *listening* "thank you, what is Y?" *listening* and this was the whole process. They only asked a leading question once. The designer lady doesn't know how to clarify questions, she asked me "what is design system?" I got confused a little and asked her if she could ask something specifically to help with my train of thoughts, and she responds "yes, sure, design system, what is it?".

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