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 New Mexico
Skills you'll gain: Web Applications, Full-Stack Web Development, Git (Version Control System), Middleware, Software Architecture, User Interface (UI), Agile Software Development, Application Frameworks, Ajax, Model View Controller, Databases, Relational Databases, Software Development, Ruby on Rails, Software Design Patterns, Cascading Style Sheets (CSS), Javascript
Mixed · Course · 1 - 3 Months

Skills you'll gain: Software Design Patterns, Object Oriented Design, Object Oriented Programming (OOP), Javascript, Software Design, Maintainability, Scripting Languages, Application Development, Event-Driven Programming, Prototyping
Advanced · Course · 1 - 3 Months

Edureka
Skills you'll gain: Cloud-Native Computing, Grafana, Web Services, Web Applications, Software Architecture, Application Deployment, Development Environment, Object Oriented Design, CI/CD, Programming Principles, Systems Architecture, Computer Programming, Program Development, Network Security, Software Development Tools, Data Structures, Data Sharing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: C# (Programming Language), Software Architecture, .NET Framework, Object Oriented Design, Distributed Computing, Scalability, Object Oriented Programming (OOP), Software Design, Microservices, Debugging, MongoDB, Data Access, Model View Controller, Performance Tuning, Computer Programming, Maintainability, NoSQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Continuous Integration, Database Development, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Docker (Software), Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months

Simplilearn
Skills you'll gain: C# (Programming Language), Restful API, Unity Engine, Object Oriented Programming (OOP), .NET Framework, C++ (Programming Language), Video Game Development, ASP.NET, Object-Relational Mapping, Software Engineering, Web Services, Application Development, Software Design Patterns, Database Management, Programming Principles, C (Programming Language)
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Application Performance Management, Software Design Patterns, Java, Enterprise Architecture, Secure Coding, Model View Controller, Software Architecture, Application Security, Maintainability, Continuous Monitoring, Debugging, Scalability
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Software Design Patterns, Software Design, Computational Thinking, Algorithms, Program Development, Computer Programming, Software Development, Data Structures, Problem Solving, Computer Science, Machine Learning Methods
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: ASP.NET, Database Development, Database Management, Object-Relational Mapping, Back-End Web Development, Full-Stack Web Development, C# (Programming Language), Database Design, Authorization (Computing), Model View Controller, Authentications, Data Modeling, Data Migration, Data Mapping, Business Logic, Software Design Patterns, Maintainability, Data Validation
Intermediate · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Network Architecture, Network Planning And Design, Amazon Web Services, Wide Area Networks, Virtual Private Networks (VPN), Network Security, Hybrid Cloud Computing, Cloud Computing Architecture, General Networking
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Software Design, Network Engineering, Restful API, Virtualization and Virtual Machines, Web Applications, TCP/IP, YAML, Extensible Markup Language (XML), Authentications
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Interactive Design, Usability, Web Design, Information Architecture
Mixed · Course · 1 - 4 Weeks