Online Marketplace - Seller Payouts
A hard Data Modeling 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
- Data Modeling
- Difficulty
- hard
- Seniority
- L6
Interview Prompt
We run an online marketplace where third-party sellers list products and buyers purchase them. The platform collects the full payment from the buyer, deducts a commission, and pays the seller. Refunds are common and complicate the accounting. Finance needs a model that reconciles every dollar from collection to payout. Design the data model.
Summary
The buyer paid one number. The seller got a different one.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Draw your data model on the schema canvas: tables, keys and relationships
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision