Senior Frontend Developer Interview Questions

1,608 senior frontend developer interview questions shared by candidates

For design system I had a task to design a particular module for "existing" system. There was a rough design and my task was to create a document (e.g. for another team) with tech description. E.g. features, future plans, APIs, types (TS), think about possible problems and ways to cover them. Only from FE point of view, so no DB, latency questions, etc
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Senior Frontend Developer

Interviewed at HubSpot

3.4
Nov 23, 2023

For design system I had a task to design a particular module for "existing" system. There was a rough design and my task was to create a document (e.g. for another team) with tech description. E.g. features, future plans, APIs, types (TS), think about possible problems and ways to cover them. Only from FE point of view, so no DB, latency questions, etc

4. LIVE CODING (AGAIN) (1 hour, Zoom and Codepad). A harder problem (leetcode medium/hard) to be solved with js or ts. The problem involved string manipulation and pattern matching and could be solved in a variety of ways, including 2 pointers, dynamic programming, depth first search, recursion, etc. As I went along the interviewer added more criteria, so it was important to be able to be flexible.
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Senior Software Engineer - Frontend

Interviewed at Datadog

4
Aug 4, 2023

4. LIVE CODING (AGAIN) (1 hour, Zoom and Codepad). A harder problem (leetcode medium/hard) to be solved with js or ts. The problem involved string manipulation and pattern matching and could be solved in a variety of ways, including 2 pointers, dynamic programming, depth first search, recursion, etc. As I went along the interviewer added more criteria, so it was important to be able to be flexible.

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