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: Test Automation, Performance Testing, Software Quality Assurance, White-Box Testing, API Testing, Test Script Development, Debugging, Software Development Methodologies, User Acceptance Testing (UAT), JUnit, Maintainability, Development Testing, Selenium (Software), Scalability, Automation, Software Technical Review, DevOps, Regression Testing, Test Execution Engine, Security Testing
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Excel Formulas, Visual Basic (Programming Language), Productivity Software, Debugging, Automation, Strategic Decision-Making, Programming Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Finite Element Methods, Simulation and Simulation Software, Engineering Analysis, Simulations, Mechanical Design, Process Engineering, Engineering, Verification And Validation
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Database Design, Continuous Integration, Restful API, Docker (Software), Model View Controller, Front-End Web Development, Databases, User Story, CI/CD, Java, Java Programming, Database Application, Application Programming Interface (API), HTML and CSS, Full-Stack Web Development, Spring Boot, Microservices, Back-End Web Development, Software Design Documents, Software Architecture
Advanced · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Public Cloud, Cloud Computing Architecture, Cloud Computing, Application Programming Interface (API), Cloud Services, Scalability, Cloud Platforms, Amazon Web Services, Infrastructure As A Service (IaaS), Technical Services, Systems Administration, Solution Architecture, Security Engineering
Beginner · Course · 1 - 4 Weeks
The University of Tokyo
Skills you'll gain: Syllabus Development, Interactive Learning, Student Engagement, Teaching, Lesson Planning, Education and Training, Instructional Strategies, Course Development, Lecturing, Design, Storytelling, Higher Education, Discussion Facilitation, Public Speaking, Oral Expression
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Computer Vision, Image Analysis, Dimensionality Reduction, Artificial Neural Networks, Machine Learning Methods, Unsupervised Learning, Deep Learning, Graph Theory, Machine Learning Algorithms, Algorithms
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Business Workflow Analysis, Business Process Automation, AI Workflows, Agentic Workflows, Generative AI Agents, AI Orchestration, Automation, Model Deployment, Robotic Process Automation, AI Enablement, Performance Measurement, Generative AI, Tool Calling, No-Code Development, Responsible AI, LLM Application, Process Optimization, MLOps (Machine Learning Operations), System Monitoring
Intermediate · Specialization · 3 - 6 Months

Arizona State University
Skills you'll gain: Conflict Management, Negotiation, Emotional Intelligence, De-escalation Techniques, Active Listening, Communication Strategies, Interpersonal Communications, Composure, Tactfulness, Teamwork, Expectation Management, Collaboration, Brainstorming, Verbal Communication Skills, Interviewing Skills, Empathy, Communication, Follow Through, Contingency Planning, Problem Solving
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Relational Databases, Database Design, Database Development, SQL, Database Management, Databases, Data Integrity
Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Canva (Software), Graphic Design, User Accounts, Design Software, Shared Media, Presentations, Organizational Skills, Account Management, Content Creation, Marketing
Beginner · Guided Project · Less Than 2 Hours
Arizona State University
Skills you'll gain: Lesson Planning, Parent Communication, Differentiated Instruction, Student Engagement, Instructional Strategies, Language Competency, Curriculum Planning, English Language, Community Outreach, Peer Review, Instructional Design, Developing Training Materials, Instructional and Curriculum Design, Teaching, Cultural Diversity, Language Learning, Cultural Sensitivity, Grammar, Case Studies, Diversity Awareness
Intermediate · Specialization · 3 - 6 Months