Warming up the neural circuits...
A visual map of the 8 levels and 75 chapters. Each level is independently shippable.
Zero to Real . You'll understand the internet, build your first Express server, design databases, and implement production-grade authentication. By the end of L3, you can build and secure a complete API.
~36 chapters + 2 projects · ~60 hours
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Professional to Senior. You'll master architecture patterns, scale systems to millions of users, deploy with and , and integrate AI into your backends. By the end of L7, you can design, scale, and deploy production systems.
~39 chapters + 5 projects · ~80 hours
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| # | Project | Level | |
|---|---|---|---|
| P1 | Notes / Todo API | L1 | Node + Express + Postgres |
| P2 | Complete Auth System ( + refresh + RBAC) | L3 | Node + Postgres + Redis |
| P3 | E-commerce backend (cart, checkout, inventory) | L4 | Node + Postgres + Redis |
| P4 | Chat backend (rooms, presence, history) | L4 | Node + WebSockets + Redis |
| P5 | Scalable SaaS backend (multi-tenant) | L5 | Postgres replication + queues |
| P6 | Full deployment pipeline (CI → Docker → cloud) | L6 | GH Actions + Docker + Nginx |
| P7 | AI-powered backend with RAG | L7 | Node + pgvector + LLM SDK |
Each project ships with a complete codebase, a runbook, and an architecture-decision record (ADR).