Design Scalable Expense Violation Processing
Company: Rippling
Role: Software Engineer
Category: System Design
Difficulty: hard
Interview Round: Technical Screen
Overview: This question evaluates a candidate's competency in large-scale system design, distributed stateful processing, rule-engine architecture, efficient rule filtering and indexing, data modeling for high-throughput event streams, and operational concerns such as versioning, persistence, idempotency, and notifications.