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: Animations, Animation and Game Design, 3D Modeling, Stress Management, Visualization (Computer Graphics), Storyboarding, Creativity, Self-Motivation, Conceptual Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Web Applications, Javascript, JSON, Node.JS, PHP (Scripting Language), Restful API, Application Programming Interface (API), Extensible Markup Language (XML), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, LangChain, LLM Application, Agentic Workflows, Generative AI Agents, MLOps (Machine Learning Operations), Context Management, Distributed Computing, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Miro AI, Customer Engagement, Responsible AI, AI Product Strategy, No-Code Development, Customer experience improvement, Email Automation, Customer Service, Customer Analysis, Automation, Generative AI, Customer Data Management, Customer Communications Management, Customer Relationship Management (CRM) Software, Customer Support, Workflow Management, Artificial Intelligence, Customer and Client Support, Agentic systems, Ethical Standards And Conduct
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Mental Concentration, Professional Development, Productivity, Self-Discipline, Personal Development, Time Management, Organizational Skills, Learning Strategies, Stress Management, Cleanliness
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Social Media Content, Social Media Marketing, Social Media, Video Editing, Social Media Strategy, Graphic and Visual Design Software, Content Creation, Video Production, Marketing, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Marketing Materials, Presentations, Email Marketing, Content Creation, Brand Awareness, Marketing Design, Driving engagement, Content Marketing, Sales Presentations, Marketing Communications, Digital Marketing, Entrepreneurship
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months
Skills you'll gain: GitLab, CI/CD, Application Deployment, Continuous Integration, Devops Tools, DevOps, Build Tools, Continuous Delivery, Continuous Deployment, Security Testing, Test Automation, DevSecOps, Unit Testing, Program Development, Secure Coding, Vulnerability Scanning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Nginx, Web Servers, Infrastructure as Code (IaC), YAML, CI/CD, Servers, IT Automation, Scalability, Service Management, Verification And Validation
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Reconciliation, QuickBooks (Accounting Software), Spreadsheet Software, Accounting Records, Investigation, Variance Analysis, Financial Statements, Accounts Payable, Financial Controls, Financial Auditing, Fraud detection, Analysis, Verification And Validation, Payment Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: File I/O, Command-Line Interface, Operating Systems, Python Programming, File Management, Scripting, User Interface (UI), Data Import/Export, Data Structures, Simulations
Mixed · Course · 1 - 4 Weeks