Questions that have appeared at walmart labs for an engineering (Case Study) interview.

1. System Design

Question: How would you design a system to handle Walmart's online inventory management considering high traffic and data consistency?

Question: Can you describe an efficient way to design a recommendation system for Walmart’s online store?

Question: How would you approach designing a scalable and reliable microservices system for Walmart's online supermarket?

2. Data Structures and Algorithms

Question: How would you design an algorithm to find the shortest path between two products in a Walmart store?

Question: Can you propose a method to efficiently manage data storage for millions of Walmart’s products using appropriate data structures?

Question: Describe an algorithm to handle and process large amounts of customer purchase data in real-time.

3. Scalability and Performance

Question: How would you ensure the scalability of Walmart's e-commerce platform to handle peak loads during special events like Black Friday?

Question: What strategies would you use to optimize the performance of a database system within Walmart's supply chain?

Question: How would you design a low-latency system to handle real-time inventory updates?

4. Architectural Patterns

Question: How would you apply the event-driven architecture pattern to improve Walmart's online order processing system?

Question: Can you explain how the use of a microservices architecture could benefit Walmart's online platform?

Question: What are some potential challenges in implementing a service-oriented architecture in the context of Walmart's operations, and how would you overcome these challenges?