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.

Lund University
Skills you'll gain: Machine Controls, Automation Engineering, Programming Principles, Control Systems, Automation, Software Architecture, Real-Time Operating Systems, Robotics, Other Programming Languages, Computer Programming, Event-Driven Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Leaflet (Software), React.js, Application Deployment, Application Development, Cloud Deployment, Web Development, Responsive Web Design, Interactive Design, User Interface (UI)
Intermediate · Course · 1 - 4 Weeks

Advanced · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Application Programming Interface (API), API Design, Secure Coding, Restful API, Application Security, Application Design, Cloud Applications, Software Development Tools, Systems Integration, Full-Stack Web Development, Interoperability, FinTech, Scripting, Payment Systems, Solution Architecture, Cryptography, Emerging Technologies, Development Testing, Transaction Processing
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Adaptability, Leadership Development, Leadership, Performance Measurement, Team Leadership, Organizational Leadership, Leadership and Management, Strategic Leadership, Communication, Business Metrics, Team Motivation, Team Building, Growth Mindedness, Professional Development, Human Resource Strategy, Business, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: GitHub, API Testing, Test Script Development, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Responsive Web Design, Web Design and Development, Hypertext Markup Language (HTML), Web Applications, Interactive Data Visualization, Cascading Style Sheets (CSS), Infographics, Javascript, Data Validation, Web Content, Event-Driven Programming, Animations
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Gemini, Model Deployment, Generative AI, Google Gemini, Generative AI Agents, LLM Application, AI Workflows, Tool Calling, Multimodal Prompts, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Large Language Modeling, Google Cloud Platform, Artificial Intelligence, AI Personalization, Performance Tuning, Python Programming, Software Development Tools, Cloud Platforms
Beginner · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Single Sign-On (SSO), Amazon Web Services, Cloud Security, Security Management, Incident Response, Amazon CloudWatch, Amazon Elastic Compute Cloud, Amazon S3, Multi-Factor Authentication, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Universitat Autònoma de Barcelona
Skills you'll gain: Leadership, Decision Making, Team Performance Management, Industrial and Organizational Psychology, Organizational Structure, Organizational Effectiveness, Team Management, Sociology, Team Motivation, Coordination
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extensible Markup Language (XML), Extensible Languages and XML, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, 3D Assets, Computer Graphics, Visualization (Computer Graphics)
Intermediate · Course · 3 - 6 Months