System Design
Architect scalable distributed systems. From monolith to microservices — covers system design fundamentals, microservices patterns, DDD, distributed systems, and full interview preparation.
What you'll learn
Final Project
Design and document a complete microservices architecture for a real-world e-commerce system
Course Contents
26 lessons · 14h 30mSystem Design Complete Guide
Scalability, Availability & Reliability — The Core Trade-offs
CAP Theorem — Why You Can't Have Everything
Caching Strategies — When to Cache and When Not To
Load Balancing — Distribute Traffic Without Thinking About It
Database Choices — SQL vs NoSQL, Sharding & Replicas
Software Architecture: Monolith → Microservices
Domain-Driven Design (DDD)
API Design: REST, gRPC, GraphQL & Events
Distributed Patterns: Saga, Outbox, Circuit Breaker
Observability: Logs, Metrics & Traces
Microservices — What They Are and What They Cost
Service Boundaries — How to Split Without Regret
Sync vs Async Communication — REST, gRPC & Message Queues
Data Management in Microservices — No Shared DB
Service Discovery & API Gateway Patterns
Resilience Patterns — Circuit Breaker, Retry & Bulkhead
Security in Microservices — mTLS, JWT & Zero Trust
Testing Microservices — Unit, Integration & Contract
Deploying Microservices — Docker, Kubernetes & CI/CD
Case Study: Design a URL Shortener (like bit.ly)
Case Study: Design a Notification System (Email/SMS/Push)
Case Study: Design a Rate Limiter
Case Study: Design a Real-Time Chat App
How to Ace a System Design Interview (Framework + Examples)
System Design Interview: 40 Questions & Model Answers