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Senior Frontend Engineer Interview Questions

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2,921 senior frontend engineer interview questions shared by candidates

7-question multiple-select test related to FE skills (React, Next.js). The weird part was that all the questions were multi-select, so basically, multiple answers were correct. However, as my interviewer mentioned, there were "more correct" and "less correct" options — but you could only choose one. Here I started feeling a bit confused, but okay, I paid attention to this "twist."
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Senior Frontend Developer

Interviewed at Lemon.io

4.8★
Apr 3, 2025

7-question multiple-select test related to FE skills (React, Next.js). The weird part was that all the questions were multi-select, so basically, multiple answers were correct. However, as my interviewer mentioned, there were "more correct" and "less correct" options — but you could only choose one. Here I started feeling a bit confused, but okay, I paid attention to this "twist."

Q: Create Menu with children as per image. How would you close opened children when you click on another parent? How would you keep your children opened when you click on child's children? Q: Implement flag fetching API call. How would you cache it? How would you measure the performance? What would you do if the server fails? Q: Jira sprint board. How would you build it?
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Senior Frontend Engineer

Interviewed at Atlassian

3.2★
Apr 6, 2022

Q: Create Menu with children as per image. How would you close opened children when you click on another parent? How would you keep your children opened when you click on child's children? Q: Implement flag fetching API call. How would you cache it? How would you measure the performance? What would you do if the server fails? Q: Jira sprint board. How would you build it?

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