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.

Board Infinity
Skills you'll gain: Web Components, Frontend Performance, Web Content Accessibility Guidelines, HTML and CSS, Hypertext Markup Language (HTML), Web Analytics and SEO, Web Design and Development, Semantic Web, Web Applications, UI Components, Web Content, Responsive Web Design, Code Reusability, Cross Platform Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Test Script Development, Unit Testing, Software Testing, Jenkins, CI/CD, Continuous Integration, Test Tools, Apache Maven, Automation, Test Case, Software Configuration Management, DevOps, Java, C# (Programming Language), Java Programming, Python Programming
Beginner · Specialization · 1 - 3 Months

University of London
Skills you'll gain: Algorithms, Computational Thinking, Theoretical Computer Science, Computational Logic, Critical Thinking and Problem Solving, Computer Science, Data Structures, Critical Thinking, Classification Algorithms, Logical Reasoning, Graph Theory, Mathematical Theory & Analysis, Complex Problem Solving, Analysis, Game Theory
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Services, Restful API, Apache Maven, Build Tools, Spring Boot, Spring Framework, Gradle, Simple Object Access Protocol (SOAP), Application Programming Interface (API), Java, Java Programming, API Design, Object-Relational Mapping, Data Persistence, JSON, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Technical University of Munich (TUM)
Skills you'll gain: Sustainable Business, Sustainable Technologies, Sustainability Reporting, Corporate Sustainability, Climate Change Programs, Climate Change Mitigation, Sustainable Development, Environment, Sustainable Design, Environmental Science, Business Modeling, Information Technology, Artificial Intelligence, Hardware Design
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Patient Coordination, Generative AI Agents, ChatGPT, AI Integrations, Practice Management Software, Technology Roadmaps, Patient Flow, Generative AI, Clinical Documentation, AI Workflows, Prompt Engineering, Software As A Service, Patient Communication, No-Code Development, Systems Integration
Intermediate · Course · 1 - 4 Weeks

EDUCBA
Skills you'll gain: Ajax, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Java, Hypertext Markup Language (HTML), Middleware, Model View Controller, Javascript, Front-End Web Development, Hibernate (Java), Service Oriented Architecture, Back-End Web Development
★ 4.3 (13) · Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Digital Brand Strategy, AI Personalization, Dashboard, Brand Management, Brand Strategy, Brand Marketing, Driving engagement, Competitive Analysis, Personalized Campaigns, Branding, Analytics, Governance, Strategic Marketing, Brand Awareness, Experience Design, Generative AI, Marketing Design, Digital Marketing, Marketing Analytics, Data-Driven Decision-Making
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Open Web Application Security Project (OWASP), Threat Modeling, Application Security, Software Development Life Cycle, DevSecOps, Threat Management, Security Testing, Secure Coding, Cloud Security, Encryption, Vulnerability Scanning, Software Development, Cryptography, CI/CD, Cloud Platforms, DevOps, Vulnerability Assessments, Vulnerability Management, Penetration Testing, Configuration Management
★ 4.4 (11) · Intermediate · Course · 3 - 6 Months

Skills you'll gain: Business Intelligence, Data Warehousing, Dashboard, Dashboard Creation, Databases, Database Design, Data Analysis, Interactive Data Visualization, Data-Driven Decision-Making, Analytics, Data Visualization Software, Data Presentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Presentations, Sales Presentation, Productivity Software, Data Sharing, Project Design, Project Documentation, Graphic Design, Business Communication, Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Seaborn, Data Storytelling, Data Presentation, Statistical Visualization, Data Visualization, Data Visualization Software, Matplotlib, Plot (Graphics), Statistical Analysis, Python Programming
Beginner · Course · 1 - 4 Weeks