The Leaderboard That Costs $25K a Month
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
- L5
Interview Prompt
Design the analytics pipeline for a gaming platform with tens of millions of active players, feeding a leaderboard of top players by score, a matchmaking dashboard, and post-game session analytics for the data science team. Today every game event is batch-processed once a day. Justify your architecture decisions.
Summary
Product wants it live. Engineering has a price tag.
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