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.

University of Pennsylvania
Skills you'll gain: AI Personalization, Fraud detection, Generative AI, Responsible AI, Data Ethics, AI Enablement, AI Product Strategy, Data Governance, Big Data, Business Strategies, Machine Learning Algorithms, Generative Adversarial Networks (GANs), Data Security, Governance, Human Resources, Customer Data Management, Credit Risk, Data-Driven Decision-Making, Machine Learning, Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Systems Development Life Cycle, Security Controls, Software Testing, Cybersecurity, Risk Management Framework
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Kanban Principles, Lean Six Sigma, Project Closure, Six Sigma Methodology, Return On Investment, Process Improvement, Lean Methodologies, Quality Improvement, Business Metrics, Production Process, Continuous Improvement Process, Operational Excellence, Statistical Process Controls, Workflow Management, Risk Control, Financial Analysis, Project Controls, Cost Benefit Analysis, Operational Analysis, Visual Design
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Theoretical Computer Science, Algorithms, Graph Theory, Data Structures, Operations Research, Public Key Cryptography Standards (PKCS), Cryptography, Programming Principles, Computational Thinking, Pseudocode, Design Strategies, Computer Science, Tree Maps, Encryption, Linear Algebra, Combinatorics, Data Science, Mathematical Modeling, Advanced Mathematics, Python Programming
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: React Native, Mobile Development, React Redux, Ajax, User Interface and User Experience (UI/UX) Design, Front-End Web Development, Javascript, React.js, Data Structures, Application Development, Apple iOS, Debugging, iOS Development, JavaScript Frameworks, User Story, Android Development, UI Components, Cross Platform Development, JSON, Flutter (Software)
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Email Marketing, Brand Marketing, Brand Strategy, Storytelling, Marketing Materials, Branding, Microsoft Outlook, Gmail, Marketing Communications, Communication Strategies, Business Communication
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Systems Thinking, Systems Design, Systems Analysis, Critical Thinking and Problem Solving, Network Analysis, Case Studies, Cognitive flexibility, Collaboration
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Agentic systems, AI Workflows, Hugging Face, CrewAI, Embeddings, Transfer Learning
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Java, Java Programming, Object Oriented Programming (OOP), Spring Boot, Hibernate (Java), Object Oriented Design, Spring Framework, Database Management, Computer Programming, Web Development, Authorization (Computing), Restful API, Debugging, Programming Principles
Beginner · Course · 3 - 6 Months

École Polytechnique
Skills you'll gain: Peer Review, Journals, Scientific Methods, Research, Research Design, Proofreading, Research Methodologies, Editing, Ethical Standards And Conduct, Data Management
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Responsible AI, Retrieval-Augmented Generation, LLM Application, Operations Research, Strategic Thinking, Strategic Decision-Making, Business Strategy, Apache Kafka, Stakeholder Communications, Large Language Modeling, Real Time Data, AI Enablement, Performance Testing, Prompt Engineering, Business Analytics, Reinforcement Learning, Inventory Management System, Stakeholder Analysis, General Data Protection Regulation (GDPR)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Object Oriented Programming (OOP), C++ (Programming Language), Application Development, Object Oriented Design, Data Visualization Software, Visualization (Computer Graphics), Programming Principles, Computer Graphics, Solution Design, Computational Thinking, Graphing, Verification And Validation, Development Environment, Software Visualization, Graphic and Visual Design, Data Presentation, Application Design, Data Validation, C and C++, Program Development
Beginner · Specialization · 3 - 6 Months