The Whiteboard Exercise
A medium Pipeline Design mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- Pipeline Design
- Difficulty
- medium
- Seniority
- L5
Interview Prompt
Design the nightly pipeline that brings an e-commerce marketplace's data into the warehouse: the transactions from Postgres, the customer detail from the CRM through its rate-limited API, and the product detail from the partner catalog, delivered daily as CSV files over SFTP.
Summary
Marker in hand. Draw the whole thing.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Draw your pipeline on the design canvas: sources, transforms, storage and checks
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision