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Senior Frontend Developer Interview Questions

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1,364 senior frontend developer interview questions shared by candidates

Do you have experience with Photoshop? What’s an abstract class? Typescript can be render in the browser? diff between Typescript and ECMAScript What’s and namespace in Typescript? What is Promise? What is async/await? How you handle a conflict in Git? Do you have experience with CSS pre-processor? What’s a transpiler? What’s a decorator in Typescript? What’s Decorator in Java? How do you optimize a Query in the database? What’s the flow of summit changes in productions. Do you have experience with Photoshop? What IDE do you use? Do you use IntelliJ? A question about what Test software do you use?
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Senior Frontend Developer (Vuejs)

Interviewed at GFT Technologies

4.1★
Mar 30, 2025

Do you have experience with Photoshop? What’s an abstract class? Typescript can be render in the browser? diff between Typescript and ECMAScript What’s and namespace in Typescript? What is Promise? What is async/await? How you handle a conflict in Git? Do you have experience with CSS pre-processor? What’s a transpiler? What’s a decorator in Typescript? What’s Decorator in Java? How do you optimize a Query in the database? What’s the flow of summit changes in productions. Do you have experience with Photoshop? What IDE do you use? Do you use IntelliJ? A question about what Test software do you use?

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.
avatar

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.

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