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.

Coursera
Skills you'll gain: Slack (Software), Collaborative Software, Project Management Software, Workflow Management, Project Management, Microsoft Teams, Google Workspace, Productivity Software, Project Planning, Automation
Beginner · Guided Project · Less Than 2 Hours
Skills you'll gain: Spring Framework, Software Architecture, Microservices, Spring Boot, Cloud Applications, Event-Driven Programming, Java Programming, Restful API, Performance Tuning, MongoDB, Web Applications, Scalability, Real Time Data, Resilience, Integration Testing, Performance Management, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Video Production, Video Editing, Videography, Photo/Video Production and Technology, Cinematography, Storytelling
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Model Evaluation, Tensorflow, Convolutional Neural Networks, Computer Vision, Keras (Neural Network Library), Development Environment, Image Analysis, Machine Learning, Deep Learning, Data Persistence, Artificial Neural Networks
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Virtual Networking, TCP/IP, Network Architecture, Local Area Networks, Network Troubleshooting, Network Protocols, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Scrum (Software Development), User Story, Backlogs, Agile Methodology, Sprint Planning, Agile Project Management, Prioritization, Sprint Retrospectives, Estimation, Workflow Management, Kanban Principles, Product Roadmaps, Risk Management
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Culture Transformation, Innovation, Organizational Change, Business Transformation, Strategic Leadership, Strategic Planning, Business Communication, Change Management, Organizational Leadership, Organizational Structure, Business Planning, Competitive Analysis, Business Writing, Leadership, Business Analysis, Business Strategy, Presentations, Financial Analysis, Project Planning, Financial Planning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cloud API, Natural Language Processing, Google Cloud Platform, Text Mining, Image Analysis, Cloud-Based Integration, Computer Vision, Network Analysis, Web Design
Advanced · Project · Less Than 2 Hours

Skills you'll gain: Agentic systems, Human Computer Interaction, Interaction Design, User Experience Design, User Experience, Responsible AI, AI Product Strategy, Design Strategies, Human Centered Design, Data Ethics, Artificial Intelligence, Automation, Machine Learning, Technology Strategies, Emerging Technologies
Intermediate · Course · 3 - 6 Months

Skills you'll gain: JUnit, Apache Maven, Unit Testing, Spring Framework, Spring Boot, Restful API, API Testing, Software Testing, Test Case, Gradle, Software Development Tools, Integration Testing, Mockups, JSON, Authentications
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Mathematical Software, Biotechnology, Engineering Analysis, Simulations, Differential Equations, Computer-Aided Design, Algorithms, Chemistry
Build toward a degree
Intermediate · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Generative AI Agents, CrewAI, AI Orchestration, Generative AI, Agentic systems, Prompt Patterns, Tool Calling, LLM Application, Model Deployment, Responsible AI, Scalability, Application Deployment, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks