Design systems for global request detection and labeling
Company: Amazon
Role: Applied Scientist
Category: ML System Design
Difficulty: hard
Interview Round: Onsite
Overview: This question evaluates the ability to design scalable, low-latency ML systems for global streaming event detection and rapid labeling under extreme class imbalance, assessing competencies in stream ingestion and partitioning, time-windowed aggregations, serving/alerting layers, and end-to-end labeling pipelines.
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