Back‐end Development - The-Learners-Community/RoadMaps-and-Resources GitHub Wiki

ROADMAP

Welcome to the Back-End Developer Roadmap! This guide is designed to take you from a beginner to an expert in back-end development. Each section covers essential topics and skills you need to become proficient and dangerous.

Checkout roadmap.sh/backend

PROJECTS - Beginner to Master

Beginner Level

1. Hello World Web Server

  • Description: Create a simple web server that returns "Hello World" for any request.
  • Technologies: Use a language like Node.js, Python, or Go.

2. Simple RESTful API

  • Description: Develop a basic RESTful API that performs CRUD operations on a simple resource like "books" or "users".
  • Technologies: Node.js with Express.js, Python with Flask or Django REST Framework.

3. User Authentication System

  • Description: Implement a user authentication system with registration, login, and logout functionalities. Store passwords securely using hashing.
  • Technologies: Node.js, Express.js, MongoDB, bcrypt for password hashing.

4. URL Shortener Service

  • Description: Build a service that shortens long URLs. Users can input a long URL and receive a shortened version that redirects to the original URL.
  • Technologies: Python Flask, SQLite or MongoDB.

5. File Upload Service

  • Description: Create a backend that allows users to upload files and retrieve them later.
  • Technologies: Node.js, Express.js, multer middleware for handling file uploads.

6. To-Do List Application API

  • Description: Develop an API for a to-do list application with endpoints to add, update, delete, and retrieve tasks.
  • Technologies: Python Django REST Framework, PostgreSQL.

7. Basic Blog Platform Backend

  • Description: Create the backend for a blog platform where users can create, read, update, and delete posts and comments.
  • Technologies: Ruby on Rails, SQLite or PostgreSQL.

8. Weather Information Service

  • Description: Build an API that provides weather information by fetching data from a third-party API and serving it to clients.
  • Technologies: Node.js, Express.js, Axios for external API calls.

9. Chat Application Backend (Basic)

  • Description: Implement a simple chat server that allows multiple clients to send messages to each other in real-time.
  • Technologies: Node.js, Socket.IO.

10. Notes Application with Authentication

  • Description: Develop a backend for a notes app where users can create, edit, and delete notes after logging in.
  • Technologies: PHP, Laravel, MySQL.

Intermediate Level

11. E-commerce Backend

  • Description: Create the backend for an e-commerce platform with product listings, shopping cart, and checkout functionalities.
  • Technologies: Django, PostgreSQL, Stripe API for payment processing.

12. Authentication with JWT

  • Description: Implement user authentication using JSON Web Tokens (JWT) instead of sessions.
  • Technologies: Node.js, Express.js, JWT, MongoDB.

13. RESTful API with Rate Limiting

  • Description: Build an API that includes rate limiting to prevent abuse. Limit the number of requests a user can make in a given time frame.
  • Technologies: Node.js, Express.js, Redis for storing rate limit data.

14. Social Media Backend

  • Description: Develop the backend for a social media application with features like profiles, posts, likes, and followers.
  • Technologies: Ruby on Rails, PostgreSQL, Active Storage for media uploads.

15. Real-Time Chat Application Backend

  • Description: Create a more advanced chat server that supports chat rooms, private messaging, and online status.
  • Technologies: Node.js, Socket.IO, Redis.

16. Task Queue and Background Jobs

  • Description: Implement background job processing for tasks like sending emails or processing data.
  • Technologies: Python, Celery, RabbitMQ or Redis.

17. GraphQL API Server

  • Description: Build an API server using GraphQL instead of REST, allowing clients to specify exactly what data they need.
  • Technologies: Node.js, Apollo Server, MongoDB.

18. Implement Caching Mechanisms

  • Description: Optimize an API by adding caching layers to reduce database load and improve response times.
  • Technologies: Node.js, Express.js, Redis or Memcached.

19. Microservices Architecture

  • Description: Refactor a monolithic application into microservices, separating functionalities into independent services.
  • Technologies: Docker, Kubernetes, gRPC or REST for communication.

20. Build an API Gateway

  • Description: Implement an API gateway to handle requests, authentication, and routing to various microservices.
  • Technologies: Kong, Express Gateway, or custom implementation using Node.js.

Advanced Level

21. Implement OAuth 2.0 Server

  • Description: Create an OAuth 2.0 authorization server to handle third-party client authentication and authorization.
  • Technologies: Node.js, OAuth2 Server Library, PostgreSQL.

22. Build a Recommendation Engine

  • Description: Develop a recommendation system backend that suggests products or content to users based on their behavior.
  • Technologies: Python, Machine Learning Libraries (like scikit-learn), MongoDB.

23. Event-Driven Architecture with Message Queues

  • Description: Create a system where services communicate asynchronously via message queues.
  • Technologies: RabbitMQ, Apache Kafka, Microservices.

24. Implement a Search Engine

  • Description: Build a backend service that indexes documents and allows full-text search capabilities.
  • Technologies: Elasticsearch, Python or Node.js.

25. Scalable Real-Time Analytics Platform

  • Description: Develop a backend that collects, processes, and analyzes real-time data streams.
  • Technologies: Apache Kafka, Apache Spark Streaming, Scala or Java, Cassandra or Hadoop for storage.

26. Containerization and Deployment Automation

  • Description: Containerize applications and set up CI/CD pipelines for automated testing and deployment.
  • Technologies: Docker, Jenkins or GitHub Actions, Kubernetes.

27. Build a Custom NoSQL Database

  • Description: Design and implement a simple NoSQL database to understand database internals.
  • Technologies: C++ or Go, file system manipulation, data indexing techniques.

28. Implement Server-Side Rendering (SSR)

  • Description: Create a backend that renders front-end templates on the server for better SEO and performance.
  • Technologies: Node.js, Next.js or Nuxt.js, Express.js.

29. High-Performance Computing Application

  • Description: Develop a backend system optimized for high-performance computations, such as simulations or mathematical computations.
  • Technologies: C++, CUDA for GPU acceleration, parallel processing techniques.

30. Secure Backend with Advanced Security Measures

  • Description: Implement advanced security features like input validation, sanitization, encryption, secure headers, and penetration testing.
  • Technologies: Security libraries in Python, Node.js, OWASP guidelines.

Happy coding and advancing your back-end development skills!