instacart | Software Engineer | Interview Experience
Interview Date: Not specified
Result: Not specified
Difficulty: Not specified
Interview Process
The interview process included a system design round where candidates were tasked with designing a system for “dark stores.” The discussion focused on various aspects of the system, including inventory management, item reservation, and the shopping process for customers. Candidates were expected to demonstrate their understanding of API calls and inventory updates.
Technical Questions
- System Design: Design a system for “dark stores” that includes:
- Stocking inventory with periodic updates from retailers.
- Reserving items when customers add them to their baskets, ensuring availability and preventing double purchases.
- Managing inventory removal when items are collected by personal shoppers.
Tips & Insights
Candidates should focus on understanding the requirements of inventory management systems, API design, and user experience for both shoppers and customers. It’s important to think through edge cases and scalability when designing such systems.