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Frontend Software Engineer Interview Questions

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8,908 frontend software engineer interview questions shared by candidates

The interviewers were very polite and friendly. 1st they introduced themselves and then they asked me for my introduction. Then they asked me about my roles and responsibilities on my internship. Then they start asking questions from HTML, CSS, Javascript and ReactJs. They generally focused on the concepts of Javascripts and React and see if you can think out of the box, like if you have any idea about the alternative methods. Questions - Semantic Tags in HTML, CSS Positions and difference between them, CSS Box model, Javascript data type, event loop, call stack, promise, async-await, Task queue, Reacts Hooks, React memo, context API, useEffect, custom hooks etc.
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Frontend Developer (Fresher )

Interviewed at BrowserStack

3.8★
Jun 30, 2025

The interviewers were very polite and friendly. 1st they introduced themselves and then they asked me for my introduction. Then they asked me about my roles and responsibilities on my internship. Then they start asking questions from HTML, CSS, Javascript and ReactJs. They generally focused on the concepts of Javascripts and React and see if you can think out of the box, like if you have any idea about the alternative methods. Questions - Semantic Tags in HTML, CSS Positions and difference between them, CSS Box model, Javascript data type, event loop, call stack, promise, async-await, Task queue, Reacts Hooks, React memo, context API, useEffect, custom hooks etc.

Round1:- Discussion around hooks and HOCs, caching etc Round 2: There was 1 interviewer and 6 people in a zoom call to be interviewed on the basis of an assignment where we were supposed to create a chrome extension which displays all the email ids scrapped from any weppage. The round was not briefed from before and came out by surprise.
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Senior Software Developer-Frontend

Interviewed at BrowserStack

3.8★
May 13, 2023

Round1:- Discussion around hooks and HOCs, caching etc Round 2: There was 1 interviewer and 6 people in a zoom call to be interviewed on the basis of an assignment where we were supposed to create a chrome extension which displays all the email ids scrapped from any weppage. The round was not briefed from before and came out by surprise.

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