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Put it all together: a payments company ingests card transactions (need fraud detection in seconds)

A medium 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
medium

Interview Prompt

Put it all together: a payments company ingests card transactions (need fraud detection in seconds) and a vendor's hourly order API (need reliable batch into the warehouse for finance). Design both paths from the same platform, each sized to its own latency need.

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

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