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.

New York University
Skills you'll gain: Network Security, Firewall, Distributed Denial-Of-Service (DDoS) Attacks, Threat Modeling, Network Architecture, Intrusion Detection and Prevention, TCP/IP, Cybersecurity, Threat Detection, Cyber Attacks, Enterprise Security, Infrastructure Security, Network Protocols, Proxy Servers
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Software Design
Intermediate · Course · 1 - 3 Months
University of Washington
Skills you'll gain: Unsupervised Learning, Supervised Learning, Statistical Machine Learning, Predictive Analytics, Advanced Analytics, Data Analysis, R Programming, Statistical Methods, Statistical Inference, Statistical Analysis, Machine Learning Algorithms, Machine Learning, Graph Theory, Classification Algorithms, Probability & Statistics, Big Data
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Process Flow Diagrams, Business Process Modeling, Data Modeling, Microsoft Visio, Diagram Design, Business Process, Business Analysis, Data Flow Diagrams (DFDs)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LangChain, Tool Calling, LLM Application, AI Workflows, Agentic systems, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Application Development, Software Development
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Unity Engine, Video Game Development, C# (Programming Language), Game Design, Object Oriented Design, Object Oriented Programming (OOP), Software Design, Programming Principles, Application Development, Scripting
Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Prompt Engineering, Prompt Patterns, ChatGPT, Generative AI Agents, Responsible AI
Mixed · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Goal Setting, Teamwork, Active Listening, Problem Solving, Emotional Intelligence, Collaboration, Smart Goals, Strategic Prioritization, Growth Mindedness, Prioritization, Productivity, Personal Integrity, Workplace Bullying Intervention, Compliance Management, Information Privacy, Security Controls, Accountability, Communication, Diversity Awareness, Diversity and Inclusion
Beginner · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Curiosity, Lean Methodologies, Design Thinking, Entrepreneurship, Commercialization, Innovation, Customer Analysis, Presentations, Creative Thinking, Target Audience, Customer Insights, Product Improvement, Market Opportunities, Technology Solutions, Team Oriented, Market Research, Ideation, Solution Design, Brainstorming, Business Research
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Merchandising, Merchandise Displays, Inventory Management System, Retail Management, Consumer Behaviour, Visual Merchandising, Planogram, Retail Store Operations, Retail Sales, Marketing Psychology, Selling Techniques, Customer Insights, Analysis, Design
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Matplotlib, Seaborn, Plot (Graphics), Pandas (Python Package), NumPy, Data Visualization Software, Data Visualization, Programming Principles, Computer Programming, Histogram, Functional Design, Package and Software Management, Data Import/Export, Scripting, Scripting Languages, Data Manipulation, Python Programming, Data Science, Data Structures, Software Engineering
Beginner · Specialization · 1 - 3 Months

EDUCBA
Skills you'll gain: Internet Of Things, Advanced Analytics, Big Data, Data Management, Wireless Networks, Predictive Analytics, Applied Machine Learning, Environmental Monitoring, Geospatial Information and Technology, Sustainable Technologies, Machine Controls, Real Time Data, Automation, Data Analysis, Data Collection
Beginner · Course · 1 - 4 Weeks