System Design Course – APIs, Databases, Caching, CDNs, Load Balancing & Production Infra

A comprehensive system design course covering the core concepts needed to transition from mid-level to senior engineer. Topics include single-server to multi-server architecture evolution, SQL vs NoSQL database selection, vertical vs horizontal scaling, load balancing algorithms (round robin, least connections, IP hash, consistent hashing), API styles (REST, GraphQL, gRPC), API protocols (HTTP/HTTPS, WebSockets, AMQP, gRPC), and API design principles. The course emphasizes practical, real-world applicability for both production systems and system design interviews.