API designHardSDE-3

Your team moved the app to GraphQL. Now the database is overloaded and some queries take seconds. What went wrong and how do you fix it?

Asked at

AirbnbMetaNetflix

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.