Phase 15 · Interview Preparation
Case Studies & Product SenseML System Design Questions
Part of the Data Science Roadmap.
Summary
'Design a recommendation system for X' — testing whether you can think through the full pipeline: data, features, model choice, evaluation, and deployment, at a systems level.
How to Learn This
- 1Practice a repeatable structure: clarify requirements, data, features, model, evaluation, deployment.
- 2Prepare 1-2 fully worked-through examples (e.g. a recommendation system, a fraud detector).
- 3Practice out loud — this format rewards structured thinking over a single 'right' architecture.
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