Grokking Modern Mobile System Design Interview
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Food Delivery
1. The Question
“Design the customer app for browsing restaurants, building a cart, placing an order, and tracking delivery.”
Focus on the customer app. Restaurant operations, courier assignment, and payment processing are external services. Explain the contracts the app needs from them, especially the difference between browsing and accepting an order.
Try your own design for ten minutes before reading the walkthrough.
2. The Walkthrough
Use the Five Step Method
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