Design ad click tracking and dashboard at scale
Company: Meta
Role: Software Engineer
Category: System Design
Difficulty: medium
Interview Round: Onsite
Quick Answer: This question evaluates a candidate's skills in designing large-scale distributed systems including real-time data ingestion and aggregation, storage and retention strategies, consistency/idempotency and fault tolerance, abuse/fraud and privacy-aware data modeling, and search/indexing for ephemeral content.