Topics

Five pillars, one visual language. Each hub collects the videos and free guides for its territory.

• Backend System Design

  Rate limiting, caching, queues, load balancing — the foundation every system is built on.

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• LLM System Design

  RAG, agents, vector databases, evals — how production AI systems are actually architected.

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• Cloud & DevOps

  VPCs, Kubernetes, serverless, CI/CD — the infrastructure your architecture runs on.

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• Data Systems

  Sharding, replication, streams, warehouses — designing for data at scale.

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• Security Architecture

  OAuth, zero trust, secrets, API security — designing systems that don't leak.

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• System Design Interviews

  Architecture walkthroughs of real systems — exactly the format interviews ask for.

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