Design a large-scale Order Processing Platform
Last updated: August 18, 2025
Quick Overview
Design a low-latency order processing system that handles millions of requests. Discuss trade-offs in consistency, availability, and performance.
Anthropic
August 18, 202521
5
1,689 solved
Design a low-latency order processing system that handles millions of requests. Discuss trade-offs in consistency, availability, and performance.
Anthropic asks this during the Onsite to assess your depth in software engineering. They want to see understanding of design patterns, system architecture, and the trade-offs involved in different technical approaches.
What the Interviewer Expects
- Explain the concept clearly with a practical example
- Discuss when and why to apply this principle
- Identify common mistakes and anti-patterns
- Compare with alternative approaches
Key Topics to Cover
How to Approach This
- Apply SOLID principles. Single Responsibility makes code testable, Open/Closed makes it extensible.
- Choose data structures based on access patterns, not familiarity.
- Prefer immutable data and message passing over shared mutable state for concurrency.
- Design APIs with RESTful conventions, versioning, meaningful errors, and pagination from day one.
Possible Follow-up Questions
- How would this design change if the team size doubled?
- How would you document this for other engineers?
- What testing strategy would you use for this component?
- What are the security implications of this design?
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Core Design Principles
In designing a large-scale Order Processing Platform for Anthropic, the core design principles that apply include Separation of Concerns and Eventual Consistency. Separation of Concerns ensure...
Architecture
The architectural approach for this system would involve a Microservices Architecture with a centralized API Gateway. Each microservice would handle distinct functionalities such as order manageme...
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