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  3. Express.js Advanced Course

Express.js Advanced Course

Advanced Express.js Development is designed for developers who already understand the fundamentals of Express.js and want to build secure, scalable, and production-ready backend applications. The course explores advanced routing, authentication, security, database optimization, testing, deployment, performance tuning, and modern backend architecture. Through real-world projects and best practices, learners will develop the skills required to create enterprise-grade REST APIs and backend services.

Course Prerequisites:

Express.js for Beginners

Course Snapshot

£25.00 / Hour

Level: AdvancedDuration: 20 HoursMode: Online / Virtual

What you will learn?

1. Modern Express Architecture

  • MVC architecture
  • Layered architecture
  • Modular application design
  • Folder organization
  • Best practices

2. Advanced Routing

  • Modular routers
  • Nested routes
  • Route grouping
  • Dynamic routing
  • API versioning

3. Advanced Middleware

  • Authentication middleware
  • Authorization middleware
  • Logging middleware
  • Error middleware
  • Request lifecycle

4. Authentication and Authorization

  • JWT Authentication
  • Refresh Tokens
  • Role-Based Access Control (RBAC)
  • Password hashing with bcrypt
  • Session authentication

5. Security Best Practices

  • Helmet
  • CORS
  • Rate limiting
  • Input sanitization
  • Preventing SQL/NoSQL Injection
  • Preventing XSS
  • Preventing CSRF

6. Advanced Database Integration

  • Advanced Mongoose
  • Schema relationships
  • Population
  • Transactions
  • Aggregation pipeline
  • Indexing
  • Performance optimization

7. File Uploads

  • Multer
  • Upload validation
  • Multiple file uploads
  • Image processing
  • Cloud storage basics

8. Advanced REST API Development

  • API standards
  • Pagination
  • Filtering
  • Sorting
  • Searching
  • API documentation
  • Versioning strategies

9. Error Handling and Logging

  • Global exception handling
  • Custom error classes
  • Winston logging
  • Morgan logging
  • Production logging

10. Validation

  • Joi Validation
  • Express Validator
  • Custom validators
  • Sanitization
  • Error reporting

11. Testing Express Applications

  • Unit testing
  • Integration testing
  • Supertest
  • Jest
  • Mocking
  • API testing

12. Performance Optimization

  • Compression
  • Caching
  • Lazy loading
  • Connection pooling
  • Memory optimization
  • Performance monitoring

13. Real-Time Applications

  • Introduction to WebSockets
  • Socket.IO
  • Chat applications
  • Notifications
  • Live updates

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