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Advanced Backend Engineering

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1Advanced Backend Engineering — Content Audit 2Course Roadmap

L0

1Chapter 1 — How the Internet Works 2Chapter 2 — Client–Server Architecture 3Chapter 3 — HTTP & HTTPS Deep Dive 4Chapter 4 — APIs, REST, and JSON 5Chapter 5 — Authentication Basics 6Chapter 6 — Databases Overview 7Chapter 7 — Backend Architecture & Request Lifecycle

L1

1Chapter 1 — What Is Backend Development?2Chapter 2 — Environment Setup 3Chapter 3 — Your First Server 4Chapter 4 — Routing & HTTP Methods 5Chapter 5 — Middleware Deep Dive 6Chapter 6 — CRUD & REST API Design 7Chapter 7 — Request Validation & Error Handling 8Chapter 8 — Environment Variables & Configuration 9Chapter 9 — Logging & Debugging 10Chapter 10 — API Testing P1Project P1 — Notes & Todo API

L2

1Chapter 1 — Database Fundamentals 2Chapter 2 — PostgreSQL for Backend 3Chapter 3 — MongoDB Fundamentals 4Chapter 4 — Database Design & Normalization 5Chapter 5 — Relationships, Joins & References 6Chapter 6 — Indexes & Query Optimization 7Chapter 7 — Transactions & ACID 8Chapter 8 — ORMs: Prisma, Drizzle, Mongoose 9Chapter 9 — Migrations & Schema Evolution 10Chapter 10 — Database Scaling Basics

L3

1Chapter 1 — Authentication vs Authorization 2Chapter 2 — Password Hashing 3Chapter 3 — JWT Deep Dive 4Chapter 4 — Session-Based Auth 5Chapter 5 — OAuth & Social Login 6Chapter 6 — RBAC & Permissions 7Chapter 7 — Web Security: CSRF, CORS, XSS, SQLi 8Chapter 8 — API Security & Rate Limiting 9Chapter 9 — Secrets Management & Encryption P2Chapter 10 — Project P2 — Complete Auth System

L4

1Chapter 1 — Architecture Patterns 2Chapter 2 — WebSockets & Real-Time 3Chapter 3 — Background Jobs & Queues 4Chapter 4 — Caching with Redis 5Chapter 5 — File Uploads & Object Storage 6Chapter 6 — Search Systems 7Chapter 7 — Pagination & Filtering Patterns 8Chapter 8 — API Versioning & Documentation 9Chapter 9 — Microservices vs Monolith 10Chapter 10 — Event-Driven Architecture P3Chapter 11 — Project P3 — E-Commerce Backend P4Chapter 12 — Project P4 — Chat Backend

L5

1Chapter 1 — Horizontal vs Vertical Scaling 2Chapter 2 — Load Balancing & Reverse Proxies 3Chapter 3 — Distributed Systems & CAP Theorem 4Chapter 4 — Database Replication & Sharding 5Chapter 5 — Caching at Scale 6Chapter 6 — Queue Systems & Resilience 7Chapter 7 — Observability: Monitoring, Logging, Tracing 8Chapter 8 — Case Studies: Netflix, Uber, Stripe P5Chapter 9 — Project P5 — Scalable SaaS Backend

L6

1Chapter 1 — Linux Basics for Backend 2Chapter 2 — Docker Fundamentals 3Chapter 3 — Docker Compose: Multi-Container Apps 4Chapter 4 — CI/CD with GitHub Actions 5Chapter 5 — Nginx Reverse Proxy 6Chapter 6 — SSL, Domains, and DNS 7Chapter 7 — Cloud Deployment 8Chapter 8 — Production Debugging & Incidents P6Chapter 9 — Project P6 — Full Deployment Pipeline

L7

1Chapter 1 — AI APIs & LLM Integration 2Chapter 2 — Embeddings & Vector Databases 3Chapter 3 — Streaming AI Responses 4Chapter 4 — RAG: Retrieval-Augmented Generation 5Chapter 5 — AI Agents & Multi-Agent Systems 6Chapter 6 — AI Security, Cost & Architecture P7Chapter 7 — Project P7 — AI-Powered Backend with RAG

Unit 5Advanced22 min

Chapter 5 — OAuth & Social Login

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Chapter 4 — Session-Based Auth

Chapter 6 — RBAC & Permissions