Netflix interviews focus on:
Content delivery: CDN architecture, adaptive streaming, edge computing. They handle massive global streaming traffic.
Personalization: Recommendation systems, A/B testing at scale, ML infrastructure.
Reliability: Chaos engineering mindset. What happens when things fail? They invented Chaos Monkey.
Microservices: Hundreds of services. Service mesh, API gateways, observability.
Culture fit: Freedom and responsibility. They expect you to have opinions and defend them. Be opinionated but open to discussion.
Technical depth: They go deep. Know your fundamentals.