Design a Order Processing for JPMorgan
Last updated: May 20, 2026
Quick Overview
Design a scalable order processing system that handles millions of requests. Discuss trade-offs in consistency, availability, and performance.
JPMorgan
May 20, 202649
13
2,381 solved
Design a scalable order processing system that handles millions of requests. Discuss trade-offs in consistency, availability, and performance.
This is a common system design question asked during Onsite at JPMorgan. The interviewer expects you to demonstrate your ability to design large-scale distributed systems, make well-reasoned trade-offs, and communicate your thought process clearly. JPMorgan values engineers who can think about scalability from day one.
What the Interviewer Expects
- Drive the design discussion proactively with minimal interviewer guidance
- Perform detailed capacity estimation and use it to inform design decisions
- Design for global scale with multi-region deployment and data consistency
- Deep dive into 2-3 critical components with implementation-level detail
- Address complex trade-offs: CAP theorem, eventual consistency, conflict resolution
- Discuss operational excellence: deployment strategy, chaos engineering, SLOs/SLIs
- Propose a phased rollout plan from MVP to full-scale system
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 schema migrations with zero downtime?
- How would you handle a region-wide outage?
- How do you ensure data consistency across multiple services?
- How would you handle a 10x increase in traffic overnight?
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Requirements
Functional Requirements
- Order Creation: Users should be able to create new orders with details such as product ID, quantity, user ID, and payment information.
- Order Tracking: Users s...
Capacity Estimation
Capacity Estimation
- Daily Order Volume: Assume 10 million orders/day, translating to approximately 115 orders/second.
- Data Storage: Each order might take up to 1KB (including metadat...
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