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: Responsible AI, Database Management, Back-End Web Development, OpenAI API, Generative AI, Performance Tuning, API Design, Prompt Engineering, Application Programming Interface (API), Databases, Artificial Intelligence, Risk Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kotlin, IntelliJ IDEA
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Microservices, Node.JS, API Gateway, Application Deployment, Software Architecture, Cloud Applications, Application Design, Web Services, Restful API, Communication Strategies
Mixed · Course · 1 - 4 Weeks
National Taiwan University
Skills you'll gain: Storytelling, Design, Aesthetics, Design Elements And Principles, Art History, Layout Design, Ancient History
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, Model Deployment, Robotic Process Automation, Automation, AI Enablement, No-Code Development, Prompt Engineering, LLM Application, MLOps (Machine Learning Operations), Process Optimization, System Monitoring, Tool Calling, Performance Analysis, Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Terraform, Infrastructure as Code (IaC), Network Infrastructure, Amazon Web Services, Cloud Infrastructure, Network Architecture, Network Planning And Design, Cloud Computing, Cloud Computing Architecture, Multi-Cloud, Amazon Elastic Compute Cloud, Microsoft Azure, Wide Area Networks, General Networking, Google Cloud Platform, Cloud Deployment, DevOps, Cloud Security, Automation, AWS Identity and Access Management (IAM)
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Growth Mindedness, Time Management, Constructive Feedback, Sales Development, Productivity, Collaboration, Prioritization, Teamwork, Personal Development, Optimism, Professionalism, Stress Management, Persistence, Software As A Service, Goal Setting, Accountability
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Information Privacy, Data Security, Data Strategy, Governance Risk Management and Compliance, Data Preprocessing, Cybersecurity, Cyber Risk, Security Strategy, Project Design, Risk Mitigation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Maintainability
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Color Theory, Typography, Cascading Style Sheets (CSS), Web Content Accessibility Guidelines, Web Design, HTML and CSS, Animations, User Interface (UI) Design, Web Design and Development, Usability, Visualization (Computer Graphics)
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Web Components, Cascading Style Sheets (CSS), HTML and CSS, Angular, Hypertext Markup Language (HTML), Responsive Web Design, Frontend Performance, Front-End Web Development, Bootstrap (Front-End Framework), Web Content Accessibility Guidelines, Web Design, Web Design and Development, React.js, UI Components, Frontend Integration, Web Analytics and SEO, JavaScript Frameworks, Web Development, Javascript and jQuery, Semantic Web
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Angular, Bootstrap (Front-End Framework), JavaScript Frameworks, Authentications, Web Applications, Authorization (Computing), Javascript and jQuery, Web Design and Development, Web Components, HTML and CSS, TypeScript, Web Development Tools, Responsive Web Design, UI Components, Model View Controller, Data Validation, Routing Protocols, Software Testing
Intermediate · Course · 1 - 4 Weeks