System Design Interview Roadmap

System Design Interview Roadmap

Event-Driven Architectures: Patterns and Anti-patterns

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AI Agents
Nov 06, 2025
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What You’ll Master Today

• Core EDA patterns that scale to millions of events per second

• Deadly anti-patterns that bring down production systems

• Enterprise insights from Netflix, Amazon, and Spotify’s event architectures

• Production-ready implementation with real failure modes and recovery

The Silent Revolution in System Architecture

While most engineers obsess over microservices boundaries, the real architectural revolution happening at scale is event-driven design. When Spotify processes 4 billion events daily for music recommendations, or when Netflix handles 500 billion events for viewing analytics, they’re not just moving data—they’re implementing a fundamentally different way systems communicate.

The insight that separates senior architects from junior developers: Events aren’t just messages—they’re the nervous system of distributed applications. They enable temporal decoupling, allowing systems to evolve independently while maintaining loose coupling that traditional API calls can never achieve.

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