Software Engineering Foundations
Module Overview
Master advanced software engineering principles and architectural patterns using modern technology stacks. Build expertise in code refactoring, performance optimization, design patterns, and system architecture using Python, Node.js, React.js, and the MERN stack. Learn to manage technical debt, implement microservices architectures, and design scalable database systems with PostgreSQL, MySQL, and SQLite. Transform your Task Manager into a production-ready, enterprise-scale application following industry best practices.
Code Refactoring & Clean Code
Overview
Master the art of code refactoring and clean code principles across Python, JavaScript, and React.js. Learn to identify code smells, apply refactoring patterns, and transform legacy code into maintainable, readable, and efficient implementations. Develop skills in automated refactoring tools, code review techniques, and establishing coding standards that improve team productivity and reduce technical debt.
Learning Resources
| Course Title | Provider | Description | Level | Mandatory | Action |
|---|---|---|---|---|---|
|
Comprehensive Python & JavaScript Refactoring
|
FreeCodeCamp
|
Comprehensive tutorials covering both Python and JavaScript refactoring with 40,000+ job placements track record | Intermediate | Start Learning | |
|
JavaScript & Python Refactoring Tutorials
|
GeeksforGeeks
|
JavaScript and Python specific refactoring tutorials with practical examples and hands-on exercises | Beginner | Browse Tutorials | |
|
React Getting Started with Refactoring
|
Mozilla Developer Network
|
Official React getting started guide with refactoring best practices and component optimization | Intermediate | MDN Guide | |
|
Python, Node.js, React Refactoring Techniques
|
W3Schools
|
Free tutorials covering Python, Node.js, and React refactoring techniques with interactive examples | Beginner | Explore Tutorials | |
|
90+ React Projects with Source Code
|
React Tutorial Projects
|
90+ React projects with source code for hands-on refactoring practice and component optimization | Intermediate | Practice Projects | |
|
Interactive React Refactoring Exercises
|
Codecademy
|
Interactive refactoring exercises for React components with immediate feedback and best practices | Intermediate | Interactive Course |
Hands-On Activities
- Legacy Code Refactoring: Refactor existing Task Manager components to improve readability and maintainability
- Clean Code Implementation: Apply SOLID principles and clean code techniques to your Python backend
- React Component Optimization: Refactor React components for better performance and reusability
- Code Review Process: Establish code review standards and automated quality checks
Performance Optimization
Overview
Master performance optimization techniques across the full technology stack. Learn to optimize Node.js applications for asynchronous I/O, improve Python application performance, and implement React optimization strategies. Develop skills in profiling, benchmarking, caching strategies, and building high-performance applications that scale efficiently under load while maintaining excellent user experience.
Learning Resources
| Course Title | Provider | Description | Level | Mandatory | Action |
|---|---|---|---|---|---|
|
Asynchronous Code Optimization Tutorial
|
The Node Beginner Blog
|
Advanced Node.js asynchronous code optimization techniques and performance tuning strategies | Intermediate | Read Tutorial | |
|
Learn Node.js: Asynchronous I/O & HTTP
|
NodeSchool
|
Interactive workshops covering the basics of Node.js asynchronous I/O and HTTP performance optimization | Beginner | Start Workshop | |
|
Node.js Performance with Event-Driven Architecture
|
GeeksforGeeks
|
Performance optimization using Node.js event-driven architecture and non-blocking I/O patterns | Intermediate | Learn Optimization | |
|
Server-Side Performance Optimization Course
|
Codecademy
|
Comprehensive Node.js server-side performance optimization course with hands-on projects | Intermediate | Codecademy Course | |
|
Python vs Node.js Performance Comparison
|
Various Guides
|
Performance comparison and optimization strategies for Python and Node.js applications | Intermediate | Compare Performance | |
|
Python Performance Optimization Tutorials
|
W3Schools
|
Python performance optimization tutorials covering memory management, algorithm optimization, and profiling | Intermediate | Python Tutorials |
Hands-On Activities
- Node.js Performance Profiling: Profile and optimize your Task Manager's Node.js backend for better throughput
- Python Algorithm Optimization: Optimize Python data processing algorithms for faster execution
- React Performance Tuning: Implement React optimization techniques like memoization and lazy loading
- Caching Strategy Implementation: Design and implement multi-level caching for improved performance
Design Patterns & Architecture
Overview
Master essential design patterns and architectural principles for building scalable, maintainable software systems. Learn to implement creational, structural, and behavioral patterns in JavaScript and Python. Develop expertise in architectural patterns including MVC, MVVM, and microservices while understanding when and how to apply each pattern for optimal system design and long-term maintainability.
Learning Resources
| Course Title | Provider | Description | Level | Mandatory | Action |
|---|---|---|---|---|---|
|
JavaScript Design Patterns with Practical Examples
|
FreeCodeCamp
|
JavaScript design patterns with practical examples and real-world implementation scenarios | Intermediate | Learn Patterns | |
|
JavaScript Creational, Structural, and Behavioral Patterns
|
GeeksforGeeks
|
Comprehensive coverage of creational, structural, and behavioral design patterns in JavaScript | Intermediate | Explore Patterns | |
|
Practical Design Pattern Implementations
|
Kinsta's JavaScript Guide
|
Practical design pattern implementations with real-world JavaScript examples and use cases | Intermediate | Practical Guide | |
|
Learning JavaScript Design Patterns
|
O'Reilly (Free)
|
Free O'Reilly textbook covering comprehensive JavaScript design patterns and best practices | Advanced | Free Textbook | |
|
Python Patterns Guide
|
Brandon Rhodes
|
Comprehensive guide to Python design patterns by Brandon Rhodes with detailed implementations | Intermediate | Python Patterns | |
|
Python Design Patterns with Code Examples
|
GeeksforGeeks
|
Design patterns implementation in Python with detailed code examples and explanations | Intermediate | Python Examples |
Hands-On Activities
- Pattern Implementation: Implement Observer, Factory, and Singleton patterns in your Task Manager
- Architectural Refactoring: Refactor application to follow MVC or Clean Architecture principles
- Design Pattern Library: Create reusable pattern implementations for team use
- Pattern Selection Guide: Develop decision framework for choosing appropriate patterns
MERN Stack & System Architecture
Overview
Master the MERN (MongoDB, Express.js, React.js, Node.js) stack architecture and learn to design scalable full-stack applications. Understand the traditional three-tier pattern with React.js for display, Express.js/Node.js for application logic, and MongoDB for data storage. Develop expertise in integrating relational databases (PostgreSQL, MySQL, SQLite) with MERN applications and building systems that scale efficiently.
Learning Resources
| Course Title | Provider | Description | Level | Mandatory | Action |
|---|---|---|---|---|---|
|
MERN Stack Roadmap - Hotel Booking App
|
FreeCodeCamp
|
15-hour comprehensive hotel booking app project covering the complete MERN stack development lifecycle | Intermediate | Full Project | |
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MERN Stack CRUD Application from Scratch
|
LogRocket
|
Complete full-stack CRUD application tutorial demonstrating MERN stack integration patterns | Intermediate | CRUD Tutorial | |
|
Employee Database with MongoDB Atlas
|
MongoDB Official
|
Official MongoDB tutorial for building employee database with MongoDB Atlas cloud integration | Intermediate | MongoDB Tutorial | |
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MERN Three-Tier Architecture Patterns
|
GeeksforGeeks
|
Understanding MERN stack three-tier architecture patterns and scalability considerations | Intermediate | Architecture Guide | |
|
Scalable System Architecture Tutorials
|
GeeksforGeeks
|
Scalable system architecture tutorials covering design principles and implementation patterns | Advanced | System Design | |
|
Full-Stack Application Architecture
|
FreeCodeCamp
|
Full-stack application architecture principles and design patterns for scalable web applications | Intermediate | GitHub Guide |
Hands-On Activities
- MERN Stack Migration: Migrate your Task Manager to full MERN stack architecture
- Three-Tier Implementation: Implement proper separation of presentation, application, and data layers
- API Design: Design RESTful APIs following MERN stack best practices
- Scalability Planning: Design architecture for horizontal scaling and load distribution
Technical Debt Management
Overview
Master technical debt identification, measurement, and management strategies across Node.js and Python applications. Learn to recognize common technical debt patterns including callback hell, low-quality dependencies, and architectural debt. Develop systematic approaches to debt prioritization, refactoring strategies, and establishing development practices that prevent debt accumulation while maintaining development velocity.
Learning Resources
| Course Title | Provider | Description | Level | Mandatory | Action |
|---|---|---|---|---|---|
|
Node.js Technical Debt Examples Repository
|
GitHub
|
Repository of Node.js technical debt examples with identification and resolution strategies | Intermediate | Refactoring Guide | |
|
Node.js Full Course for Beginners
|
YouTube/FreeCodeCamp
|
7-hour comprehensive Node.js tutorial covering fundamentals, Express, and MongoDB | Intermediate | Node.js Course | |
|
Avoiding Callback Hell and Technical Debt
|
The Node Beginner Book
|
Strategies for avoiding callback hell and preventing technical debt in Node.js applications | Beginner | Beginner Guide | |
|
Self-Admitted Technical Debt Detection Methods
|
Technical Debt Research
|
Research-based methods for detecting and measuring self-admitted technical debt in codebases | Advanced | Research Paper | |
|
Technical Debt in Node.js vs Python
|
Various Sources
|
Comparative analysis of common technical debt patterns in Node.js and Python applications | Intermediate | Technical Debt | |
|
Technical Debt Management Framework
|
Martin Fowler
|
Comprehensive framework for managing technical debt including identification, prioritization, and resolution | Advanced | Fowler's Guide |
Hands-On Activities
- Technical Debt Audit: Conduct comprehensive technical debt assessment of your Task Manager codebase
- Debt Prioritization Matrix: Create framework for prioritizing technical debt based on impact and effort
- Refactoring Roadmap: Develop strategic plan for addressing identified technical debt
- Prevention Guidelines: Establish coding standards and practices to prevent future technical debt
Database Design Patterns & Microservices
Overview
Master advanced database design patterns and microservices architecture using PostgreSQL, MySQL, SQLite, and MongoDB. Learn sharding, partitioning, and distributed data management strategies. Develop expertise in designing microservices with Node.js, implementing inter-service communication with RabbitMQ, and containerizing services with Docker while maintaining data consistency across distributed systems.
Learning Resources
| Course Title | Provider | Description | Level | Mandatory | Action |
|---|---|---|---|---|---|
|
SQLite vs MySQL vs PostgreSQL Comprehensive Guide
|
DigitalOcean
|
Comprehensive comparison and usage guide for SQLite, MySQL, and PostgreSQL database systems | Intermediate | Database Comparison | |
|
SQLite Database Design Patterns
|
SQLite Tutorial
|
Beginner-friendly database design patterns and optimization techniques for SQLite | Beginner | SQLite Tutorial | |
|
PostgreSQL Industry-Standard Database Design
|
Codecademy
|
Industry-standard database design course focusing on PostgreSQL best practices and patterns | Intermediate | PostgreSQL Course | |
|
Node.js Microservices with RabbitMQ & Docker
|
DEV Community
|
Hands-on tutorial building Node.js microservices with RabbitMQ messaging and Docker containerization | Advanced | RabbitMQ Tutorial | |
|
Real-time Blog Application with Microservices
|
LogRocket
|
Building a real-time blog application using microservices architecture and Node.js | Advanced | LogRocket Tutorial | |
|
Complete Microservices Architecture Guide
|
Codedamn
|
Complete microservices architecture guide with practical implementation using modern tools | Advanced | Architecture Guide |
Hands-On Activities
- Database Pattern Implementation: Implement sharding and partitioning strategies for your Task Manager
- Microservices Decomposition: Break your monolithic application into microservices
- Service Communication: Implement inter-service communication using RabbitMQ or event-driven patterns
- Distributed Data Management: Design data consistency strategies across microservices