Badging Items That Already Sold Out
A hard Pipeline Design mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Pipeline Design
- Difficulty
- hard
- Seniority
- L6
Interview Prompt
We guarantee same-day delivery on millions of SKUs, and the engine that decides which items to badge as Rocket Delivery needs fresh data every few minutes. Right now, stale features are causing us to over-promise on items that have gone out of stock or whose nearest fulfillment center is already at capacity. Design a data pipeline that keeps the feature store current.
Summary
Same-day delivery. The features have to be faster.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your pipeline design solution with real code execution
- Get instant feedback and a hire/no-hire decision