Mock System Design Interview & Whiteboard Exercise

Scenario

You are asked to design a platform to support a globally distributed e-commerce application. The platform must provide isolated environments for 50+ development teams and ensure zero downtime during Black Friday.

Tasks

1. Draw the high-level architecture using a tool like Excalidraw or draw.io.
2. Write down your non-functional requirements (NFRs).
3. Identify single points of failure (SPOFs) and how to mitigate them.
4. Record a 5-minute video of yourself walking through the architecture as if explaining it to a hiring manager.