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.

Skills you'll gain: User Interface (UI) Design, Human Computer Interaction, Interactive Design, Usability, Software Design, Application Development, Software Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Performance Tuning, Systems Development, System Monitoring, System Requirements, Business Reporting, Verification And Validation
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Software Design Patterns, Debugging, Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Program Development, Integrated Development Environments, Graph Theory, Software Testing, Artificial Intelligence, Integration Testing, Software Design, System Design and Implementation
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Project Management Life Cycle, Project Closure, Project Implementation, Project Management, Project Coordination, Project Scoping, Project Design, Project Schedules, Project Controls, Change Control, Project Planning, Cost Management, Work Breakdown Structure, Project Estimation, Communication Planning, Project Documentation, Scheduling, Risk Management
Mixed · Course · 1 - 3 Months

Peking University
Skills you'll gain: C++ (Programming Language), Object Oriented Programming (OOP), File I/O, Object Oriented Design, C (Programming Language), Program Development, Algorithms, Data Structures, Maintainability, Software Design, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Adobe Creative Cloud, Editing, Data Import/Export, Graphic and Visual Design, Color Theory
Beginner · Course · 1 - 3 Months

University of Pittsburgh
Skills you'll gain: Web Services, Cloud Computing, Cloud Computing Architecture, Cloud Storage, Cloud Infrastructure, Cloud Applications, Google Cloud Platform, Flask (Web Framework), Distributed Computing, Containerization, Software Architecture, Docker (Software), Virtualization, Restful API, JSON, Microservices, Scalability, Extensible Markup Language (XML), API Design, Computer Architecture
Build toward a degree
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, Agentic systems, Prompt Engineering, AI Workflows, LLM Application, Systems Architecture, Tool Calling, Natural Language Processing, Context Management, Debugging
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Predictive Modeling, Data Analysis, Research, AI Product Strategy, Statistical Analysis, Data Preprocessing, Data Science, Research Methodologies, AI Enablement, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, Generative AI, Research and Design, Research Reports, Ethical Standards And Conduct, Qualitative Research, Emerging Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Splunk, Performance Tuning, Scalability, Data Pipelines, Real Time Data, Distributed Computing, System Monitoring, Debugging, Data Processing, Query Languages, Configuration Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Competitive Analysis, Market Research, User Story, User Interface (UI), Competitive Intelligence, Usability, Persona Development, Microsoft Copilot, Product Development, Market Analysis, Product Management, Product Lifecycle Management, Design Thinking, Product Roadmaps, User Interface (UI) Design, Market Opportunities, Regulation and Legal Compliance, Data Ethics, Responsible AI, Data Governance
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Software Configuration Management, Embedded Software, Embedded Systems, Git (Version Control System), Version Control, Build Tools, Software Development Tools, C (Programming Language), Development Environment, Software Technical Review, Software Design, Hardware Architecture, Computer Architecture, Debugging
Intermediate · Course · 1 - 4 Weeks