What is System Design ? System design is a critical aspect of software engineering that involves designing the architecture and infrastructure of systems to meet functional and non-functional requirements. Whether you're building a small application or architecting a large-scale distributed system , understanding system design principles is essential for scalability, reliability, and performance. Why Learn System Design ? Problem Solving: System design teaches you how to approach and solve ... System design is the process of planning, structuring and defining the architecture of Software System . Involves translating user requirements into a detailed blueprint that guides the implementation phase. The goal is to create a well-organized and efficient structure that meets the intended purpose while considering factors like scalability, maintainability, and performance. System Design in SDLC In System Design Life Cycle, without the designing phase, one cannot jump to the ... Built by FAANG engineers, this is the definitive System Design Interview course. You will master distributed systems building blocks: databases, caches, load balancers, messaging, microservices, sharding, replication, and consistency, and learn the patterns behind web-scale architectures. Learn system design in 2025 with this step by step guide and resources.