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: Restful API, CI/CD, Model View Controller, ASP.NET, Cloud Infrastructure, Continuous Deployment, Load Balancing, OAuth, Continuous Integration, Cloud Computing, Cloud Applications, Cloud Deployment, Application Deployment, Cloud Platforms, Build Tools, API Design, Web Applications, Microservices, Single Sign-On (SSO), Performance Tuning
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Usability Testing, Usability, Test Tools, Interaction Design, Human Computer Interaction, Test Planning, User Research, Product Development, Web Analytics and SEO
Intermediate · Guided Project · Less Than 2 Hours

Fractal Analytics
Skills you'll gain: Generative AI, Generative Model Architectures, AI Product Strategy, Generative Adversarial Networks (GANs), Business Leadership, Responsible AI, Strategic Leadership, Key Performance Indicators (KPIs), Customer experience strategy (CX), Market Opportunities, Corporate Strategy, Data Ethics, Customer Engagement, Governance, Product Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon S3, Amazon Web Services, Cloud Hosting, Version Control, Web Language, Application Deployment, Cloud Storage, Web Design and Development, Hypertext Markup Language (HTML), Public Cloud
Beginner · Guided Project · Less Than 2 Hours

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

University of the Arts London
Skills you'll gain: Sustainable Development, Corporate Sustainability, Creative Thinking, Sustainability Standards, Systems Thinking, Design, Ideation, Problem Solving, Prototyping, Collaboration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Applications, Computational Logic, Software Development Tools, Business Logic, Other Programming Languages, Program Development, Scalability
Intermediate · Specialization · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Pay Per Click Advertising, Search Engine Marketing, Customer Retention, Digital Marketing, Search Engine Optimization, Keyword Research, Digital Advertising, Marketing Strategies, Marketing, Customer Acquisition Management, Web Analytics and SEO, Content Marketing, Lead Generation, Target Audience
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Application Programming Interface (API), GraphQL, API Design, Restful API, Postman API Platform, Ajax, OAuth, Frontend Integration, Software Documentation, Authentications, Debugging, Real Time Data, Systems Integration, JSON, Authorization (Computing), Version Control
Intermediate · Course · 1 - 4 Weeks

Skillshare
Skills you'll gain: AI Personalization, Business Process
Beginner · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Game Design, Software Development, Development Environment, Software Documentation, Data Validation, Javascript, Debugging, Maintainability, Data Structures, Software Design, Computer Programming, Data Management
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, NIST 800-53, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Information Privacy, Information Systems
Mixed · Course · 1 - 3 Months