Design Stock Price Alerts
Company: Uber
Role: Software Engineer
Category: System Design
Difficulty: medium
Interview Round: Technical Screen
Design a stock price alert system that allows users to create alerts for securities and receive notifications when the market price crosses a specified threshold.
Discuss the functional requirements, APIs, data model, architecture, alert evaluation strategy, scalability, latency, reliability, deduplication, and notification delivery over channels such as push notifications, email, or SMS.
Quick Answer: This question evaluates a candidate's ability to design scalable, low-latency alerting and notification systems, covering system architecture, APIs, data modeling, event-driven alert evaluation, deduplication, and multi-channel delivery; it is in the System Design category and assesses practical application skills.