Design Interviewer Availability and Atomic Booking APIs
Last updated: August 1, 2026
Quick Overview
Design an API system for managing interviewer availability and atomic booking for interviews.
Truefoundry
August 1, 20264
0
44 solved
Design an API system for managing interviewer availability and atomic booking for interviews.
This question is typically asked during the onsite interview round to assess a candidate's ability to design scalable and efficient systems. The interviewer is evaluating the candidate's understanding of API design principles, their ability to handle concurrency and data integrity, and their overall system architecture skills. This question also helps gauge how well the candidate can think through user requirements and translate them into technical specifications.
What the Interviewer Expects
- Clearly define system requirements and constraints.
- Design a high-level architecture including key components.
- Discuss data models and how they relate to the API endpoints.
- Address concurrency issues and atomicity in bookings.
- Identify potential trade-offs and scaling strategies.
Key Topics to Cover
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.
Possible Follow-up Questions
- How would you handle conflicts in booking requests?
- What database technology would you choose for this system and why?
- Can you explain how you would test the API for performance?
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Practice System Design ProblemsSample Answer
Requirements
To design the Interviewer Availability and Atomic Booking APIs, we need to establish the core requirements. The system should allow interviewers to set their availability, enable candidates to book in...
High-Level Design
The system can be divided into several components:
- API Gateway: This will handle incoming requests and route them to appropriate services.
- Availability Service: Manages the interviewer...
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