Design a weapon-sale ad detection system
Company: Meta
Role: Machine Learning Engineer
Category: ML System Design
Difficulty: medium
Interview Round: Onsite
Overview: This question evaluates a candidate's competence in end-to-end machine learning system design, covering multimodal signal integration (text, images, behavior), data collection and labeling strategies, model evaluation and monitoring, and operational enforcement workflows for policy-violating content.
Read the full Meta Machine Learning Engineer interview experience this question came from