AdvancedSystem-Design
45 min
Design a Food Delivery Platform
E-commerceGeoPaymentsStreaming
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Interview Question
Design a food delivery platform with restaurant onboarding, live order tracking, payments, and surge pricing.
Key Points to Cover
- Restaurant onboarding and menu management
- Real-time order tracking, driver assignment
- Payments split between restaurants and drivers
- Surge pricing models based on supply/demand
- Notifications, support, and fraud prevention
Evaluation Rubric
Solid order lifecycle design25% weight
Effective driver assignment & tracking25% weight
Payments splitting & reconciliation25% weight
Scalability and fraud controls25% weight
Hints
- 💡Consider restaurant busy hours and batching.
Common Pitfalls to Avoid
- ⚠️Underestimating the complexity of real-time data synchronization across multiple users and services.
- ⚠️Failing to implement a flexible and scalable payment split mechanism that can accommodate future changes.
- ⚠️Inadequate geo-spatial indexing and query optimization, leading to slow location-based lookups.
- ⚠️Poor error handling and retry mechanisms for critical operations like payment processing and order updates.
- ⚠️Lack of robust logging and monitoring, making it difficult to diagnose and resolve production issues.
Potential Follow-up Questions
- ❓How to prevent fake restaurants?
- ❓How to handle large events surges?
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