Design a restaurant reservation system
Quick Overview
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.
Grammarly
Jan 22, 2026, 12:00 AM
Software Engineer
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System Design
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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.
Solution
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