Overview

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Modern Node.js applications demand more than functional code—they require scalable architectures, maintainable designs, and reliable testing practices. This course explores advanced Node.js patterns and architectural strategies that help developers build robust, high-performance applications for professional software environments. Throughout the course, learners will develop practical skills in working with Node.js streams, managing asynchronous workflows, and creating modular, reusable code. By applying proven design patterns and testing techniques, they will improve application quality, simplify maintenance, and deliver more dependable software solutions. What sets this course apart is its balanced approach to theory and practice. Learners will explore established software design principles while applying them in realistic Node.js development scenarios that mirror real-world challenges. This course is ideal for backend developers, software engineers, and Node.js practitioners seeking to strengthen their application architecture skills. A basic understanding of JavaScript and Node.js is recommended, along with familiarity with asynchronous programming concepts and modules. This course is part two of a three-course Specialization designed to provide a comprehensive learning pathway in this subject area. While it delivers standalone value and practical skills, learners seeking a more integrated and in-depth progression may benefit from completing the full Specialization.

Syllabus

Coding with Streams

This module delves into the fundamentals and advanced patterns of Node.js streams, equipping learners to efficiently process, compose, and manage data flows in real-time applications. You will explore stream types, composability, error handling, concurrency, and integration with web standards, gaining practical skills for building scalable and performant Node.js systems.

Creational Design Patterns

This module delves into key creational design patterns in JavaScript and Node.js, including Factory, Builder, and Revealing Constructor. Learners will discover how these patterns simplify object creation, enhance code maintainability, and address real-world development challenges. Practical examples and hands-on exercises illustrate how to implement and adapt these patterns in modern JavaScript applications.

Structural Design Patterns

This module introduces key structural design patterns in Node.js, including Proxy, Decorator, and Adapter, to help you build flexible and maintainable software architectures. You will learn how these patterns enable object composition, control access, extend behavior, and bridge incompatible interfaces. Practical examples and comparisons will deepen your understanding of their implementation and use cases.

Behavioral Design Patterns

This module delves into key behavioral design patterns in JavaScript and TypeScript, such as Strategy, State, Iterator, Middleware, and Command. Learners will discover how these patterns facilitate flexible, maintainable, and scalable code by managing object interactions and system behaviors. Real-world examples and hands-on implementations illustrate how to apply these patterns in modern web development.

Testing: Patterns and Best Practices

This module guides learners through essential testing strategies in Node.js, including unit, integration, and end-to-end tests. You will explore patterns like Arrange-Act-Assert, Behavior-Driven Development, and the testing pyramid, while gaining hands-on experience with test runners, mocking, and code coverage. By the end, you'll be able to structure, implement, and optimize automated tests for robust and maintainable applications.