System Design

6 topics · AI-enhanced lessons

Design scalable systems. Used in senior interviews at FAANG and top tech companies.

🟢 Beginner

1 topics

Scalability, availability, reliability

🟡 Intermediate

3 topics

Round-robin, consistent hashing, L4/L7

Redis, CDN, cache invalidation, patterns

SQL vs NoSQL, sharding, replication, CAP

🔴 Advanced

2 topics

Service mesh, API gateway, event-driven

Design Twitter, Netflix, Uber, WhatsApp

Beginner1 topics

Intermediate3 topics

Advanced2 topics