Design a restaurant reservation system
Company: Grammarly
Role: Software Engineer
Category: System Design
Difficulty: medium
Interview Round: Technical Screen
Design an end-to-end **restaurant reservation system**.
The system should allow users to:
- Search restaurants by location/time/party size
- View availability
- Book a reservation
- Modify/cancel a reservation
It should allow restaurants to:
- Manage tables/capacity and opening hours
- View upcoming reservations
Discuss APIs, data model, consistency (avoid double-booking), scaling, and operational concerns.
Quick Answer: This question evaluates system design competencies including API design, data modeling, distributed systems considerations, consistency and transactional integrity (such as avoiding double-booking), scalability, and operational concerns within the domain of System Design.