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Real-Time Sales Lakehouse Ingestion

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
staff

Interview Prompt

We're a global retailer with physical stores and e-commerce. The merchandising team needs near-real-time visibility into sales performance across all channels. Design an architecture to process real-time sales data in a data lake.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your pipeline design solution with real code execution
  4. Get instant feedback and a hire/no-hire decision