Design systems for global request detection and labeling
Company: Amazon
Role: Machine Learning Engineer
Category: ML System Design
Difficulty: hard
Interview Round: Onsite
Quick Answer: 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.
