Design Walmart Pickup and Delivery
Last updated: May 28, 2026
Quick Overview
Design the architecture for Walmart Pickup and Delivery. Cover scalability, storage, caching, and real-time requirements.
Walmart
System Design
Software Engineer
Walmart
May 28, 2026Software Engineer
Technical Screen
System Design
Hard
338
13
484 solved
Design the architecture for Walmart Pickup and Delivery. Cover scalability, storage, caching, and real-time requirements.
How to Approach This
- Start by clarifying functional and non-functional requirements with the interviewer.
- Estimate the scale: QPS, storage, bandwidth. This drives your design decisions.
- Draw a high-level architecture first, then deep dive into 1-2 critical components.
- Discuss trade-offs explicitly (e.g., consistency vs availability, SQL vs NoSQL).
- Address failure scenarios, monitoring, and how the system handles 10x traffic spikes.
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Requirements
Functional Requirements:
- User Registration and Authentication: Users should be able to sign up, log in, and manage their accounts.
- Product Search and Recommendation: Users can search...
Capacity Estimation
Assume Walmart has a user base of approximately 300 million users.
- Daily Active Users (DAU): Let’s estimate 10% (30 million users) interact with the pickup and delivery system daily.
- **Average...
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