Frontend · Mid-level · System design

Design the frontend for a dashboard that shows stock quotes or metrics in real time. How would you receive the data and display it?

~10 min by voice

How to approach it

The interviewer checks whether you can design a reliable real-time data channel without drowning the interface in a stream of updates: choose a transport, survive disconnects without losing data, and render quickly with hundreds of messages per second.

Have you seen this question in a real interview?

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Topics

frontend system design realtime

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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