Three Providers, One Workout
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
- L5
Interview Prompt
Your platform receives fitness activity events from three external providers, each using a different data format and delivery mechanism. The same workout session can appear from more than one provider simultaneously. Design a pipeline that normalizes incoming events, resolves conflicts when the same session arrives from multiple sources, and routes clean data to downstream consumers.
Summary
The same ride, reported three times.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your pipeline design solution with real code execution
- Get instant feedback and a hire/no-hire decision