Backend Roadmap

🛠️ Core Backend Concepts

• CRUD Operations

• Authentication & Authorization (OAuth, JWT)

• MVC Architecture

• Middlewares

• Logging & Error Handling

• Environments & Configuration

💡 Tip: Combine these concepts with a small Express, Flask or ASP.NET Core project for better understanding.

🚧 Backend Frameworks

Node.js

• Express.js Crash Course

• Express Middleware

.NET / ASP.NET Core

• MVC vs Minimal APIs

• Dependency Injection in ASP.NET Core

Python

• Flask vs Django

• Build REST APIs with Flask

Java

• Spring Boot Basics

• Dependency Injection in Spring

🗃️ Databases

• SQL Basics (PostgreSQL / SQL Server)

• Writing Queries with JOINs

• Indexing & Query Optimization

• ORM (Entity Framework, Sequelize, SQLAlchemy)

• NoSQL (MongoDB Essentials)

🔨 Practice Projects

• Build a Notes API

• Build an Auth System with JWT

• Blog CMS Backend

• File Upload API with Validation

💡 Bonus: Provide GitHub repo links or starter templates later.

🔬 Advanced Topics

• Caching Strategies (Redis, In-Memory)

• Background Jobs (Hangfire, BullMQ, Celery)

• Message Queues (RabbitMQ, Kafka)

• Microservices & gRPC

• API Versioning

• Rate Limiting & Throttling

🎯 Interview Preparation

• Common Backend Interview Questions

• System Design Basics

• Build a Scalable URL Shortener

• Explain REST vs GraphQL

🔐 Security Basics

• Input Validation

• XSS, CSRF, SQL Injection

• HTTPS & TLS

• Secure Password Storage (bcrypt, PBKDF2)

🛡️ Security first! Add these even to your smallest side projects.

🤝 Community & Contributions

• Top GitHub Repos to Learn Backend

• Awesome Backend Dev Lists

• Suggest a Resource – Contact us or use the submission form