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Senior Frontend Developer Interview Questions

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1,362 senior frontend developer interview questions shared by candidates

The quiz encompassed a comprehensive range of engineering topics, spanning from frontend and backend to databases and Linux. It appears designed as a preliminary assessment to sift through candidates. The 'cultural fit' segment is an insightful two-way process. It not only familiarizes the candidate with the company's ethos and workflows but also provides the company an opportunity to understand the candidate's aspirations, career trajectory, personal interests, and more. The final segment is bifurcated. Firstly, it involves requirements elicitation and the design methodology for various features. The subsequent part requires live-coding of several client-side interfaces. During this, the candidate is expected to articulate their thought process to a lead developer. This approach provides a holistic perspective of the candidate's technical acumen and problem-solving prowess.
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Senior Frontend Developer

Interviewed at Imaginary Cloud

4.4★
Sep 15, 2023

The quiz encompassed a comprehensive range of engineering topics, spanning from frontend and backend to databases and Linux. It appears designed as a preliminary assessment to sift through candidates. The 'cultural fit' segment is an insightful two-way process. It not only familiarizes the candidate with the company's ethos and workflows but also provides the company an opportunity to understand the candidate's aspirations, career trajectory, personal interests, and more. The final segment is bifurcated. Firstly, it involves requirements elicitation and the design methodology for various features. The subsequent part requires live-coding of several client-side interfaces. During this, the candidate is expected to articulate their thought process to a lead developer. This approach provides a holistic perspective of the candidate's technical acumen and problem-solving prowess.

On the phone I was asked about Javascript closure, hoisting, and some problem solving/ algo question. In person I was asked to describe the output of given code, where there were timeouts and promises, how to implement debounce, and an algorithm question - finding LCA of two nodes - the nodes had reference to parent.
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Senior Frontend Developer

Interviewed at Wix

4.1★
Jan 16, 2021

On the phone I was asked about Javascript closure, hoisting, and some problem solving/ algo question. In person I was asked to describe the output of given code, where there were timeouts and promises, how to implement debounce, and an algorithm question - finding LCA of two nodes - the nodes had reference to parent.

After 3 days, I got a call, that ready for round 2 which was a codility test. I was not aware about the codility environment, so I was not able to clear this round. But questions were easy Q1. There is a nested menu data given. Show the menu when the submenu item is given, otherwise, only show the nav button. There were other requirements like: color of the menu, properties of the menu given. You need to use all the data which is given there Q2. There is an array with values name, content, rating. You need to write the logic to show star rating populated and empty stars based on the array value. Q3. Didn’t attempted, as time was not enough. But fetch data from api and show the country list and then there were scenarios on the basis of that your data will show up. Not able to recall correctly, but I guess search condition and flags of the country should also show up. When you execute your program, all the test cases should be executed. Only then, it will be considered as a completed one
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Senior Frontend Developer

Interviewed at GlobalLogic

3.8★
Sep 27, 2022

After 3 days, I got a call, that ready for round 2 which was a codility test. I was not aware about the codility environment, so I was not able to clear this round. But questions were easy Q1. There is a nested menu data given. Show the menu when the submenu item is given, otherwise, only show the nav button. There were other requirements like: color of the menu, properties of the menu given. You need to use all the data which is given there Q2. There is an array with values name, content, rating. You need to write the logic to show star rating populated and empty stars based on the array value. Q3. Didn’t attempted, as time was not enough. But fetch data from api and show the country list and then there were scenarios on the basis of that your data will show up. Not able to recall correctly, but I guess search condition and flags of the country should also show up. When you execute your program, all the test cases should be executed. Only then, it will be considered as a completed one

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