Design Patterns courses can help you learn object-oriented design principles, common design patterns like Singleton and Observer, and best practices for software architecture. You can build skills in code refactoring, improving maintainability, and enhancing collaboration among developers. Many courses introduce tools such as UML for visualizing design structures and integrated development environments (IDEs) that facilitate pattern implementation, allowing you to apply these concepts in real coding projects.

DeepLearning.AI
Skills you'll gain: Computer Vision, Tensorflow, Image Analysis, Transfer Learning, Convolutional Neural Networks, Fine-tuning, Applied Machine Learning, Model Training, Deep Learning, Model Optimization, Classification Algorithms, Model Evaluation, Visualization (Computer Graphics)
★ 4.7 (534) · Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design, Programming Principles
★ 4.7 (213) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Prompt Engineering, Anthropic Claude, Application Programming Interface (API), Prompt Patterns, Prompt Engineering Tools, LLM Application, JSON, AI Integrations, Generative AI Agents, AI literacy, Tool Calling, Generative AI, Scripting, Token Optimization, Document Management, Context Engineering, Agentic systems
★ 3.7 (26) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Technical Design, User Feedback, Technology Solutions, Technical Consulting, Solution Design, Solution Architecture, Solution Delivery, SAP Applications, Technical Communication, Requirements Analysis, Business Analysis, Agile Methodology, Business Requirements, Requirements Elicitation, Gap Analysis, Customer Engagement, Presentations, Prioritization, Communication
★ 4.7 (116) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Excel Macros, Visual Basic (Programming Language), Data Import/Export, Solution Design, Programming Principles, Spreadsheet Software, UI Components, User Interface (UI), Automation, Data Structures, File I/O, Data Validation, File Management
★ 4.9 (1.3K) · Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Fire And Life Safety, Building Codes, Pump Stations, Schematic Diagrams, Blueprint Reading, Process Flow Diagrams, Construction, Hydraulics, Safety Standards, Plumbing, Equipment Design, Safety Assurance, Building Services Engineering, Building Design, Facility Management and Maintenance, Engineering Drawings, Structural Engineering, Hazard Communication (HazCom), Safety and Security, Hazard Analysis
★ 4.6 (130) · Intermediate · Specialization · 3 - 6 Months

The University of Melbourne
Skills you'll gain: Music, World Music, Cultural Diversity, Health Promotion, Social Impact, Rehabilitation, Community Development, Psychotherapy, Mental Health, Mental Health Therapies, Neurology
★ 4.7 (180) · Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Software Development, Software Design, Software Architecture, Embedded Systems, Software Systems, Middleware, Systems Architecture, Extensible Markup Language (XML), System Configuration, Application Frameworks, Interoperability, Event-Driven Programming, Communication Systems
★ 4.6 (334) · Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Code Reusability, Data Visualization, Statistical Visualization, Programming Principles, Computer Science, Computer Programming, Data Wrangling, Data Manipulation, Functional Design, Data Science, Package and Software Management, Python Programming, Exploratory Data Analysis, Computational Logic
★ 4.7 (315) · Beginner · Specialization · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: Social Impact, Growth Strategies, Marketing Communications, Business Modeling, Business Planning, Sustainable Development, Team Collaboration, Organizational Structure, Entrepreneurship, Market Opportunities, Entrepreneurial Finance, Needs Assessment, Communication Strategies, Marketing and Public Relations, Business Strategies, Community Development, Sustainable Business, Performance Measurement, Fundraising, Organizational Strategy
★ 4.6 (425) · Beginner · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Communication, Communication Strategies, Influencing, Verbal Communication Skills, Interpersonal Communications, Persuasive Communication, Writing, Business Writing, Motivational Skills, Business Correspondence, Empowerment, Rapport Building, Decision Making, Collaboration, Learning Styles
★ 4.6 (168) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Model View Controller, Spring Framework, Restful API, Spring Boot, Web Services, Frontend Integration, JSON, YAML, Web Applications, Configuration Management, Angular, Java Programming, Software Architecture, Extensible Markup Language (XML)
★ 4.1 (224) · Intermediate · Course · 1 - 4 Weeks