Richard4Joy
725 posts


System Design Roadmap 2026 → From Zero to Pro Stop watching random videos. Follow this exact progression: Phase 1: Foundations - Basics → Networking → Operating Systems Phase 2: Core Building Blocks - Databases (SQL + NoSQL) → Caching (Redis) → Messaging (Kafka/RabbitMQ) Phase 3: Scaling & Architecture - Load Balancers → CDN → Sharding → Replication → Microservices (only when needed) Phase 4: Production Mastery - Reliability → Security → Observability (Logs + Metrics + Tracing) - Rate Limiting → API Design (REST/gRPC/WebSockets) → Event-Driven Systems Phase 5: Real Skills - Functional + Non-functional requirements - Capacity estimation → High-level design → Deep dives → Trade-off thinking - Failure cases → Bottleneck hunting → Continuous redesign Practice Projects (in order): URL Shortener → Rate Limiter → Chat App → Notification System → Feed → Payment → Ride Sharing Daily Habit: Think → Draw → Explain → Defend tradeoffs → Improve The game isn’t about knowing everything. It’s about clarity + repetition + deep work Save this roadmap. Come back to it every week. You don’t need 100 resources. You need the right path. Who’s starting this roadmap today? Drop “🚀” below.

내가 뭘 잘못했는데….?


You can now run your coding terminal from your glasses, wherever you are. Terminal Mode is live. #DevTools #BuildInPublic #coding









