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: Containerization, Microservices, Authentications, OAuth, Application Deployment, Integration Testing, Event-Driven Programming, Data Migration, Application Programming Interface (API), Software Architecture, Software Design Patterns, Scalability, Systems Integration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Terraform, User Provisioning, Infrastructure as Code (IaC), Verification And Validation, Data Validation, Amazon Web Services, User Accounts, Amazon Elastic Compute Cloud, Test Case, Secure Coding, Configuration Management, Data Structures
Beginner · Course · 1 - 3 Months

Skills you'll gain: API Design, Application Programming Interface (API), Restful API, Postman API Platform, Flask (Web Framework), MySQL, Databases, Software Versioning, Software Development, Design
Beginner · Course · 1 - 4 Weeks

Lecturio
Skills you'll gain: Constructive Feedback, Patient Communication, Active Listening, Advocacy, Rapport Building, Conflict Management, Teamwork, Interpersonal Communications, Communication Strategies, Collaboration, Professionalism, Emotional Intelligence, Nursing and Patient Care, Diversity Awareness, Empathy, Communication, Workplace inclusivity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Web Development Tools, Application Programming Interface (API), Game Design, Restful API, Software Development
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Graphic and Visual Design Software, Infographics, Graphic Design, Design, Visualization (Computer Graphics), User Accounts, Google Workspace, Marketing
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Deepseek, Hugging Face, Large Language Modeling, LLM Application, AI Personalization, ChatGPT, Deep Learning, Open Source Technology, AI Enablement, Model Deployment, Business Modeling, Applied Machine Learning, Analytical Skills, Application Programming Interface (API), Business Process Automation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Influencing, Overcoming Objections, Active Listening, Conflict Management, Diversity Awareness, Collaboration, Diversity and Inclusion, Cultural Diversity, Decision Making, Interpersonal Communications, Team Management, Constructive Feedback, Discussion Facilitation, Communication, Communication Strategies, Team Leadership, Empathy, Stakeholder Engagement, Assertiveness, Persuasive Communication
Intermediate · Specialization · 1 - 3 Months

Anmol Test Institution
Skills you'll gain: Figma (Design Software), UI Components, Mockups, Wireframing, Application Design, Design, Web Design
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: API Testing, Restful API, Authentications, Test Automation, Test Script Development, Test Case, Java, JSON
Mixed · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Sustainable Development, Building Design, Sustainable Business, Sustainable Architecture, Sustainable Technologies, Energy and Utilities, Sustainable Engineering, Architectural Design, Electrical Power, Materials science, Workforce Development, Climate Change Mitigation, Environmental Policy, Professional Networking
Beginner · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Equipment Design, Maintenance, Repair, and Facility Services, Product Lifecycle Management, Construction Engineering, Construction, Construction Management, Machine Controls, Plant Operations and Management, Facility Management and Maintenance, Automation Engineering, Architecture and Construction, Digital Transformation, Hydraulics, 3D Modeling
Advanced · Course · 1 - 4 Weeks