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.

Scrimba
Skills you'll gain: TypeScript, Web Development Tools, React.js, Server Side, Javascript, Data Structures, Web Development, Programming Principles, Middleware, Scalability, Web Design, Computer Programming, Maintainability, UI Components
★ 4.6 (59) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Fine-tuning, Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Agentic Workflows, Decision Intelligence, Test Case, Agentic systems, User Interface (UI), Performance Testing, Model Training, Applied Machine Learning, Artificial Intelligence, Model Optimization, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation
★ 4.4 (21) · Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Work Breakdown Structure, Project Scoping, Project Estimation, Organizational Skills, Scope Management, Procedure Development, Project Management Software, Project Management, Google Sheets, Verification And Validation, Technical Standard
★ 4.6 (566) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Building Codes, Construction, Safety Standards, Building Services Engineering, Building Design, Facility Management and Maintenance, Hazard Analysis, Safety and Security, Firewall, Design Specifications, Systems Integration
★ 4.6 (79) · Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Hardware Design, Electronic Hardware, Schematic Diagrams, Electronics, Computer-Aided Design, Electronic Systems, Mechanical Design, Drafting and Engineering Design, Communication Systems, Electronics Engineering, Remote Access Systems, Linux, Digital Communications, Restful API, Electrical Engineering, Web Applications, Telecommunications, Systems Of Measurement, Digital Signal Processing, Data Processing
★ 4.8 (104) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Education and Training, Mindfulness, Teaching, Self-Awareness, Courage, Empathy & Emotional Intelligence, Pedagogy, Meditation & Breathwork, Higher Education, Storytelling, Parent Communication, Cultural Responsiveness, Trustworthiness, Stress Management, Emotional Intelligence, Community Development, Collaboration, Liberal Arts
★ 4.7 (160) · Advanced · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Proposal Development, Market Research, Data Collection, Research Design, Proposal Writing, Research Reports, Research Methodologies, Business Research, Marketing Management, Marketing, Surveys, Report Writing, Research, Qualitative Research, Data Analysis, Focus Group, Business Ethics
★ 4.5 (87) · Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Computer Security Incident Management, Vulnerability Management, Cyber Security Strategy, Cyber Governance, Incident Response, Cyber Operations, Cyber Threat Intelligence, Encryption, Cyber Attacks, Security Management, Governance Risk Management and Compliance, Incident Management, Cryptographic Protocols, Threat Detection, Security Strategy, Mobile Security, Vulnerability, Security Awareness, Vulnerability Assessments, Vulnerability Scanning
★ 4.7 (57) · Beginner · Specialization · 1 - 3 Months

Fractal Analytics
Skills you'll gain: Feature Engineering, Data Wrangling, Exploratory Data Analysis, Matplotlib, Statistical Analysis, Plot (Graphics), Data Preprocessing, Statistical Methods, Seaborn, Data Science, Data Visualization Software, Data Manipulation, Data Processing, Data Cleansing, Data Analysis, Probability & Statistics, Data Transformation, Descriptive Statistics, Correlation Analysis, Statistical Hypothesis Testing
★ 4.1 (155) · Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Land Development, Landscape Architecture, Environmental Science, Sustainable Systems, Sustainable Development, Environment, Case Studies, Community Development, Public Works, Sustainable Design, Sustainable Architecture, Environment and Resource Management, Natural Resource Management, Land Management, Social Studies, Economic Development
★ 4.7 (93) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Claude Code, Anthropic Claude, Vibe coding, Generative AI Agents, Prompt Patterns, Tool Calling, Integrated Development Environments, Agentic Workflows, Software Development Tools, Code Review, AI Workflows, Software Development, GitHub, AI Personalization, Application Deployment, Generative AI, Software Engineering, Artificial Intelligence, Web Development, Front-End Web Development
★ 4.4 (16) · Beginner · Course · 1 - 3 Months

Nanyang Technological University, Singapore
Skills you'll gain: Systems Engineering, Time Series Analysis and Forecasting, Social Studies, Quantitative Research, Sustainable Development, Critical Thinking and Problem Solving, Simulation and Simulation Software, Agentic systems, Systems Analysis, Computational Thinking, Mathematics and Mathematical Modeling, Graph Theory, Epidemiology, Jupyter
★ 4.7 (35) · Beginner · Course · 1 - 3 Months