System Design
System Design Interviews for Senior Engineers
System design interviews for senior engineers reward judgment, not memorized diagrams. The framework, the tradeoff signals interviewers grade, and the traps.
Topic hub
System Design
Back-of-envelope capacity planning, caching, queues, and the architecture interviews that mirror real production decisions.
2 articles
Staff engineer craft
Distributed systems patterns
System Design
WebSocket Capacity Planning for Social Products
WebSocket capacity planning for social products: budget memory, file descriptors, and fan-out per connection so you scale before connections, not CPU, break first.