Design Top-K, Crawler, and Chess Systems
Company: Meta
Role: Software Engineer
Category: System Design
Difficulty: hard
Interview Round: Onsite
Overview: This question evaluates system-design competency across scalable distributed services, covering real-time streaming Top-K aggregation, large-scale distributed web crawling, and online real-time multiplayer game architecture, with emphasis on API and data-model design, fault tolerance, and performance under load.