Event System for Multiple Consumers
A hard 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
- hard
- Seniority
- L6
Interview Prompt
Every event, at a peak of 150,000 per second from about 40 producing services, has to reach six teams, from fraud to finance reporting. Design the ingestion layer and processing pipeline for the platform team's shared event system.
Summary
One event, many hungry consumers.
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