Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Board Infinity
Skills you'll gain: Restful API, Spring Framework, API Design, Application Programming Interface (API), Data Validation, Model View Controller, Back-End Web Development, Spring Boot, Java Programming, Maintainability, Enterprise Application Management, Software Design Patterns, Configuration Management, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Mathematics Education, Education Software and Technology, Simulations, Simulation and Simulation Software, Pedagogy, Design Reviews, Digital pedagogy, Lesson Planning, Science and Research, Interactive Design, Conceptual Design, User Feedback, Design Strategies, Research, Scientific Visualization
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Prompt Engineering, Prompt Patterns, LLM Application, Generative AI Agents, AI Workflows, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), Agentic Workflows, Large Language Modeling, Tool Calling, Agentic systems, Debugging, Verification And Validation, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Organizational Change, Change Management, Organizational Leadership, Leadership and Management, Organizational Development, People Management, Team Leadership, Business Transformation, Leadership, Communication Strategies, Organizational Structure, Culture Transformation, Strategic Leadership, Cross-Functional Team Leadership, Team Management, Advocacy, Influencing, Empowerment, Culture, Innovation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Modeling, Unreal Engine, 3D Assets, Computer Graphics, Computer Graphic Techniques, Mechanical Design, Visualization (Computer Graphics), Graphical Tools, Animation and Game Design, Engineering, Simulations, Model Optimization
Intermediate · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Communication, Business Correspondence, Business Communication, Verbal Communication Skills, Communication Strategies, Interpersonal Communications, Emotional Intelligence, Meeting Facilitation, Oral Expression, Professionalism, Empathy & Emotional Intelligence, Non-Verbal Communication, Virtual Teams, Relationship Building, Business Writing, Collaboration, Active Listening, Concision, Writing, Presentations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, Prompt Patterns, AI Workflows, Agentic Workflows, AI Integrations, OpenAI API, Token Optimization, Test Script Development, Context Management, Code Reusability, Secure Coding, Memory Management, Authentications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Development, Microsoft Azure, Cloud Applications, Cloud Deployment, Cloud Hosting, Continuous Deployment, Application Deployment, Microsoft Development Tools, ASP.NET, Platform As A Service (PaaS), Development Environment, Containerization, Docker (Software), Web Applications, Microsoft Visual Studio, Integrated Development Environments, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Embedded Systems, Embedded Software, Electronic Systems, Electronic Hardware, Hardware Design, Electronic Components, USB, Machine Controls, Data Storage Technologies, Control Systems, Automation Engineering, Electronics, Program Development, Data Storage, Data Persistence, Environmental Monitoring, Prototyping, Programming Principles, Display Devices, C (Programming Language)
Intermediate · Course · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Call Center Experience, Performance Metric, Performance Measurement, Self Service Technologies, Amazon Web Services, Customer experience improvement, No-Code Development, Process Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Active Directory, Windows Servers, Microsoft Servers, Firewall, Google Cloud Platform, Virtual Networking, Virtual Machines, Servers, Cloud Infrastructure, Network Planning And Design, System Testing, Network Security, SQL
Advanced · Project · Less Than 2 Hours

Scrimba
Skills you'll gain: Node.JS, JavaScript Frameworks, Web Frameworks, Server Side, Web Applications, Web Servers, Secure Coding, Restful API, Middleware, API Design, Real Time Data, Code Reusability, Maintainability
Beginner · Course · 1 - 4 Weeks