To clear a senior-level loop, you cannot simply start drawing boxes and arrows on a whiteboard. You must guide the interviewer through a logical progression. The framework breaks the 45-minute window down into distinct, time-boxed phases. Phase 1: Scope the Problem (5-7 Minutes)
– Sketch endpoints, load balancers, web/application servers, and storage layers.
If you are targeting roles at FAANG (Facebook/Meta, Amazon, Apple, Netflix, Google) or similar high-scale tech companies, here is a 5-step strategy that incorporates Chiang's book:
Implementing spatial indexing and location-based searching using R-trees. Autocomplete/Typeahead:
A significant portion of the guide is dedicated to recurring components that serve as the foundation for any large-scale system: Networking & Routing: Load balancers, API gateways, and CDNs. Storage & Caching:
Enter . While Alex Xu’s series is the encyclopedia, Chiang’s book is the battle-tested field guide. It is lean, aggressive, and focused on one thing: Getting you the "Hire" decision in 45 minutes.