Design Food Delivery Service
A food delivery service connects hungry customers with nearby restaurants and facilitates the delivery of meals to their doorstep through a network of delivery partners.
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The platform handles the entire lifecycle: browsing menus, placing orders, processing payments, assigning delivery partners, and providing real-time tracking until the food arrives. It must coordinate three distinct user types (customers, restaurants, delivery partners) while ensuring fast delivery times and a smooth experience for everyone.
Popular Examples: DoorDash, Uber Eats, Swiggy, Zomato, Grubhub
In this chapter, we will explore the high-level design of a food delivery service.
This problem tests your ability to design real-time systems, handle geo-spatial queries, coordinate multiple actors, and optimize for competing constraints (speed vs cost vs fairness).
Lets start by clarifying the requirements: