Frontend · Mid-level · System design

Design the frontend of a search box with autocomplete, like on a large online marketplace. What problems need to be solved, and how?

~10 min by voice

How to approach it

The interviewer checks whether the candidate sees the real client-side problems behind a simple input: unnecessary load from requests, response races, caching, UI states, accessibility, and working on mobile and slow networks. What matters isn't listing buzzwords but explaining which problem each solution solves.

Have you seen this question in a real interview?

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frontend system design autocomplete

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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

Best with headphones · ~10 min