AI & Technical question
Draw out the components of a data pipeline and describe how data flows through (for a healthcare data use case).
- AI & Technical
- Hard
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What this question tests
Technical systems thinking applied to a regulated domain, checking you can reason about data flow and compliance together.
How to approach it
- Clarify the use case, for example patient records flowing from a hospital system into an analytics platform, and confirm the audience for the diagram.
- Start with ingestion, describing sources like electronic health record systems, and the need for HIPAA-compliant transport, such as encrypted APIs.
- Describe the pipeline stages in order: ingestion, validation and de-identification, transformation and storage, and downstream serving for analytics or reporting.
- Highlight the compliance-specific step, de-identification or tokenization of protected health information before it reaches general-purpose storage.
- Mention storage choices, for example a data lake for raw data and a warehouse for structured analytics-ready data, with access controls at each layer.
- Close by naming who consumes the output, such as clinical analytics dashboards or research teams, and confirm the interviewer wants architecture depth versus a product framing.
What a strong answer includes
- Explicitly calls out de-identification or encryption as a distinct pipeline stage, not an afterthought, since healthcare data has legal handling requirements.
- Names a specific technology pattern as an illustrative example, such as an ETL job moving from a HIPAA-compliant staging area into a governed warehouse.
- Addresses access control and audit logging at the storage and serving layer, since healthcare data requires traceable access.
- Ties the pipeline back to a product outcome, like enabling a clinician-facing dashboard, rather than describing infrastructure in a vacuum.
Common mistakes
- Describing a generic data pipeline with no acknowledgment of healthcare-specific compliance needs.
- Skipping de-identification or access control entirely.
- Not connecting the pipeline to any actual downstream use case.
Likely follow-up questions
- Where would you add audit logging in this pipeline and why?
- How would this pipeline change if the data needed to support real-time clinical alerts?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 1: Foundations: the model and the decisions it forces on you
- Chapter 8: Evals: define good and make the number defensible
- Chapter 6: Agents and agentic architecture