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.

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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