Interview questions
Security, auth & multi-tenancyMediumSDE-2

Your mobile app lets users 'Sign in with Google' and also calls your own APIs. Explain the OAuth flow you would use and why PKCE matters.

Asked at
AppleGoogleSwiggy

Think first

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

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