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: Redis, Microservices, Restful API, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Scalability, Maintainability, Database Design, Software Architecture, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Generative AI Agents, AI Orchestration, LLM Application, OpenAI API, Java Programming, AI Workflows, Agentic systems, Generative AI, Prompt Patterns, Prompt Engineering, Large Language Modeling, Document Management, Secure Coding, Business Logic, Open Web Application Security Project (OWASP), Middleware, Plan Execution, Software Design Patterns, Persona Development
Intermediate · Course · 1 - 3 Months

S.P. Jain Institute of Management and Research
Skills you'll gain: Brand Strategy, Brand Management, Branding, Brand Awareness, Brand Loyalty, Strategic Marketing, Marketing Management, Business Strategy, Plan Execution, Product Lining, Market Share, Portfolio Management, Value Propositions, Competitive Analysis, Business-To-Consumer, Target Audience, B2B Sales
Beginner · Course · 1 - 4 Weeks

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

Skills you'll gain: Customer Insights, Customer Analysis, Employee Surveys, User Feedback, Customer experience improvement, Market Research, Branding, Advertising, Public Relations
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Amazon S3, Amazon Web Services, SQL, Extract, Transform, Load, Data Quality, Data Pipelines, Version Control, Data Modeling, Cloud Storage, Git (Version Control System), Data Management, Data Storage Technologies, Cloud Security, Data Security, Big Data, Encryption
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programming Principles, Information Technology, Operating Systems, Web Applications, Collaborative Software, Computer Literacy, Python Programming, Application Development, Microsoft Office, Linux, Microsoft Windows, Mac OS
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Extract, Transform, Load, Data Transformation, Data Integration, Web Scraping, Data Pipelines, JSON, Object Oriented Programming (OOP), Extensible Markup Language (XML), Data Modeling, Application Programming Interface (API), Relational Databases
Beginner · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Responsive Web Design, Typography, Cascading Style Sheets (CSS), UI Components, Web Design, Interactive Design, User Interface (UI) Design, HTML and CSS, Browser Compatibility, User Interface (UI), Usability, Interaction Design, Hypertext Markup Language (HTML), Web Content Accessibility Guidelines, Animations, Front-End Web Development, Web Components, Color Theory, Web Development, Web Development Tools
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Network Security, Open Shortest Path First (OSPF), Network Performance Management, Virtual Networking, Network Monitoring, Firewall, Network Planning And Design, Network Protocols, Infrastructure as Code (IaC), Terraform, Configuration Management, Encryption, System Configuration, Scalability
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Cloud Computing Architecture, Technical Design, System Design and Implementation, Cloud Computing, Cloud Security, Solution Architecture, Data Migration, Cloud Infrastructure, Enterprise Architecture, Solution Design, Virtual Machines, Identity and Access Management
Advanced · Course · 1 - 3 Months

Skills you'll gain: Adobe Firefly, Adobe Photoshop, Generative AI, Graphic and Visual Design, Prompt Engineering, Photo Editing, Artificial Intelligence, Ideation, Image Quality
Beginner · Course · 1 - 4 Weeks