Design Detection Systems for Risk and Safety
Company: Pinterest
Role: Machine Learning Engineer
Category: ML System Design
Difficulty: medium
Interview Round: Onsite
Quick Answer: This question evaluates a machine learning engineer's competence in designing end-to-end detection systems for risk and safety, covering skills in data and label strategy, feature representation, model training and selection, real-time serving, thresholding and human-in-the-loop feedback, monitoring, and abuse resistance.