Junior Frontend Developer Interview Questions

13,303 junior frontend developer interview questions shared by candidates

What optimizations could be made here (in the original solution I submitted)? The results being shown are not correct as seen in the database, why do you think that could be happening (there was a bug that was intentionally placed in the codebase)?
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Frontend Software Engineer

Interviewed at Clipboard

3.8
Dec 13, 2025

What optimizations could be made here (in the original solution I submitted)? The results being shown are not correct as seen in the database, why do you think that could be happening (there was a bug that was intentionally placed in the codebase)?

Technical exercise was to build an app to surface a UI with data queried from a third-party API. I like this format as I was able to demonstrate relevant knowledge and initiative without intense time pressure. In the interview, we talked through the solution in terms of tool choices, design, testing, and how certain trickier parts were implemented.
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Senior Frontend Engineer

Interviewed at Yapily

3.4
Apr 23, 2021

Technical exercise was to build an app to surface a UI with data queried from a third-party API. I like this format as I was able to demonstrate relevant knowledge and initiative without intense time pressure. In the interview, we talked through the solution in terms of tool choices, design, testing, and how certain trickier parts were implemented.

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