Storage, search & mediaMediumSDE-2

Design the search-as-you-type suggestion feature for a food delivery app. Suggestions must appear within 50 ms of each keystroke for 20 million daily users.

Asked at

GoogleSwiggyZomato

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

Go deeper

Saved on this device. Create a free account to keep it on every device.

Practise this with Sam

A real mock interview, out loud, with an honest scorecard. Free to start.