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Senior Frontend Developer Interview Questions

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1,363 senior frontend developer 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."

First round of interview done by the technical manager - 30 mins. questions from previous experience, project, more of a technical and cultural fit round. Second round with two engineers - Interview of 1 hour including a 30-35 mins of Technical Assessment on React coding exercise and 20-25 mins on past projects, technical / strategic / management / leadership set of questions.
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Senior Frontend Developer

Interviewed at lululemon

4★
Jul 21, 2023

First round of interview done by the technical manager - 30 mins. questions from previous experience, project, more of a technical and cultural fit round. Second round with two engineers - Interview of 1 hour including a 30-35 mins of Technical Assessment on React coding exercise and 20-25 mins on past projects, technical / strategic / management / leadership set of questions.

System design related to my current project in depth ? What , how and why we use any technology in or project ? Why we used GraphQL ? Discussed innovation ideas , POC and Demo I have created ? Pros and cons of Elm and ReactJs ? basic questions on Reactjs and JS Virtual DOM set sate use state and lifecycle hooks Promises difference between Let and Var
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Senior Frontend Developer

Interviewed at athenahealth

4.1★
Jul 23, 2021

System design related to my current project in depth ? What , how and why we use any technology in or project ? Why we used GraphQL ? Discussed innovation ideas , POC and Demo I have created ? Pros and cons of Elm and ReactJs ? basic questions on Reactjs and JS Virtual DOM set sate use state and lifecycle hooks Promises difference between Let and Var

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