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Senior Frontend Engineer Interview Questions

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1,547 senior frontend engineer interview questions shared by candidates

1) Browser Coding Round – I was given a task to create an SVG with colored nodes using HTML, CSS, and JavaScript. 2) JavaScript Coding Round – I had to implement a custom function that replicates Promise.all behavior and also write JavaScript to generate a table of contents from tags dynamically. 3) Advanced JavaScript Round – The challenge was to replace placeholders in an object that contained both arrays and nested objects. 4) Team Management Discussion – This round focused on general team management skills, problem-solving in team settings, and collaboration strategies.
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Senior Software Engineer - Frontend

Interviewed at CommerceIQ

2.9★
Feb 28, 2025

1) Browser Coding Round – I was given a task to create an SVG with colored nodes using HTML, CSS, and JavaScript. 2) JavaScript Coding Round – I had to implement a custom function that replicates Promise.all behavior and also write JavaScript to generate a table of contents from tags dynamically. 3) Advanced JavaScript Round – The challenge was to replace placeholders in an object that contained both arrays and nested objects. 4) Team Management Discussion – This round focused on general team management skills, problem-solving in team settings, and collaboration strategies.

First Interview: The initial interview was structured as a conversation, allowing both parties to gain a deeper understanding of each other. The focus was on discussing my experience and exploring how it aligned with the company's objectives and values. This approach fostered a positive and open dialogue. Second Interview: My experience with the Hiring Manager during the second interview was highly positive. The session encompassed a comprehensive assessment of my skills and suitability for the role. The discussion involved a range of behavioral questions that gauged my ability to handle various scenarios. Additionally, I encountered some straightforward technical questions to evaluate my proficiency in the relevant tech stack. Third Interview: During the third interview, I was presented with a coding challenge centered around a ReactJS project. Following specific requirements and a design file, I diligently worked on the task. Throughout the process, I maintained constant communication with the interviewer, enabling him to gain insight into my thought process. Although I encountered an unfortunate internet connection issue during the interview, I promptly reconnected a minute later. However, I remain uncertain if this had any impact on the final decision. One aspect that stood out was I noticed something unusual during the interview. The interviewer was vaping, which, in my personal opinion, appeared somewhat unprofessional, particularly in the context of an interview setting. This review encapsulates my experience during the interview process. It is essential for both interviewers and candidates to uphold professionalism and ensure a conducive environment for meaningful interactions.
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Senior Frontend Engineer

Interviewed at Roofr

4.7★
May 24, 2023

First Interview: The initial interview was structured as a conversation, allowing both parties to gain a deeper understanding of each other. The focus was on discussing my experience and exploring how it aligned with the company's objectives and values. This approach fostered a positive and open dialogue. Second Interview: My experience with the Hiring Manager during the second interview was highly positive. The session encompassed a comprehensive assessment of my skills and suitability for the role. The discussion involved a range of behavioral questions that gauged my ability to handle various scenarios. Additionally, I encountered some straightforward technical questions to evaluate my proficiency in the relevant tech stack. Third Interview: During the third interview, I was presented with a coding challenge centered around a ReactJS project. Following specific requirements and a design file, I diligently worked on the task. Throughout the process, I maintained constant communication with the interviewer, enabling him to gain insight into my thought process. Although I encountered an unfortunate internet connection issue during the interview, I promptly reconnected a minute later. However, I remain uncertain if this had any impact on the final decision. One aspect that stood out was I noticed something unusual during the interview. The interviewer was vaping, which, in my personal opinion, appeared somewhat unprofessional, particularly in the context of an interview setting. This review encapsulates my experience during the interview process. It is essential for both interviewers and candidates to uphold professionalism and ensure a conducive environment for meaningful interactions.

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