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.

Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Behavior-Driven Development, Apache Maven, API Testing, Test Script Development, Restful API, Test Automation, JSON, Scalability, Application Programming Interface (API), Test Case, Java Programming, Test Data, Authentications, Java
Mixed · 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, Maintainability, Network Engineering, Software Development Tools, API Testing, Restful API, Data Import/Export, Git (Version Control System), Virtualization and Virtual Machines, Computer Programming Tools, Devops Tools, Extensible Languages and XML, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Semantic Web, Extensible Markup Language (XML), HTML and CSS, Interactive Design, UI Components, Web Design and Development, Usability, Web Language, Web Design, Extensible Languages and XML
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic Workflows, Generative AI Agents, Agentic systems, Tool Calling, LangChain, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Memory Management, Model Evaluation, Context Management, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Software Testing, Unit Testing, Test Script Development, Test Tools, Test Case, Automation, Software Design Patterns, Web Development Tools, Maintainability, Python Programming, Code Reusability, UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache, PHP (Scripting Language), Web Development, Development Testing, Program Development, Web Servers, Full-Stack Web Development, Verification And Validation, Development Environment, Integration Testing, Web Design and Development, Server Side, Web Components, UI Components, Code Reusability, Web Applications, Email Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apple Xcode, UI Components, User Interface (UI), iOS Development, User Interface (UI) Design, Apple iOS, Mobile Development, User Interface and User Experience (UI/UX) Design, Swift Programming, Responsive Web Design, Application Design, Animations, Interactive Design, Application Development, Data Visualization Software, Integrated Development Environments, Interactive Data Visualization, Code Reusability, Model View Controller, Programming Principles
Intermediate · Specialization · 3 - 6 Months

Pearson
Skills you'll gain: Identity and Access Management, Cloud Security, Key Management, Network Security, Cloud Computing, Multi-Factor Authentication, Network Monitoring, Cloud Infrastructure, IT Security Architecture, Security Controls, Authentications, Authorization (Computing), Network Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, Agentic systems, AI Orchestration, AI Integrations, Advanced Analytics, Enterprise Architecture, Automation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Scalability, Performance Tuning, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Transaction Processing, Data Lakes, Data Architecture, Databricks, Data Infrastructure, Data Pipelines, Data Warehousing, Data Integration, Apache Spark, Data Processing, Real Time Data, Big Data, Scalability, Performance Tuning, Data Quality, Data Storage Technologies, SQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: C# (Programming Language), Object Oriented Programming (OOP), Object Oriented Design, Web Scraping, Programming Principles, Microsoft Visual Studio, Computer Programming, Data Structures, Software Design Patterns, File I/O, Application Development, Code Reusability, Integrated Development Environments, Microsoft Development Tools, Software Installation, Computational Logic, Algorithms, Hypertext Markup Language (HTML), Unit Testing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Shiny (R Package), Interactive Data Visualization, Dashboard Creation, R (Software), Dashboard, User Interface (UI), UI Components, Data Integration, Server Side, Interactive Design, User Interface (UI) Design, Web Applications, Software Architecture, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks