ByteByteGo teaches system design to engineers ready to advance their careers. You get weekly breakdowns of how Netflix, Uber, and Google build their systems.

The newsletter breaks down complex distributed systems and database architectures. Clear diagrams and real examples make abstract concepts concrete. Each issue covers practical topics:

• API design patterns
• Caching strategies
• Microservices architecture
• Backend infrastructure

Alex Xu leads the content team. He wrote the System Design Interview books. His team includes experienced engineers who turn theory into actionable knowledge.

You apply what you learn in technical interviews and daily work. The content bridges the gap between concepts and practice.

Free subscribers get weekly deep dives. Paid members unlock the full archive, premium diagrams, and extended technical analysis.

This newsletter serves mid-level to senior engineers preparing for interviews. It also helps anyone building scalable systems. You learn how top companies solve real problems at scale.

The focus stays practical. Each breakdown gives you knowledge you use immediately. No abstract theory without application.