How Teaching Data Structures Helped Me with System Design. Part I: Indexing and Big O

May 11, 2025 · 13 min read · I know a lot of us learn data structures and algorithms (DSA) because we think it will help us land a software engineering role at FAANG or a FAANG-like company. Some, like me, learn them because it’s fun or because our friends are doing it! But many...