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: MLOps (Machine Learning Operations), Continuous Integration, Artificial Intelligence and Machine Learning (AI/ML), DevOps, Service Level Agreement, API Design, Performance Measurement, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, Performance Metric, Performance Measurement, Failure Analysis
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, AI Personalization, Training and Development, Instructional Design, AI Enablement, Employee Training, Generative AI Agents, Training Programs, Learning Management Systems, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Workforce Development, Learning Styles, Learning Theory, Learning Strategies, Human Learning, Childhood Education and Development, Real Time Data
Beginner · Course · 1 - 3 Months
Skills you'll gain: Engineering Calculations, Applied Mathematics, Simulation and Simulation Software, Engineering, 3D Modeling, Thermal Management, Scientific Visualization, Geometry, Star Schema, Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, LLM Application, Tool Calling, OpenAI API, Anthropic Claude, Large Language Modeling, Authentications, Generative AI, Code Review, Maintainability, AI Workflows, Command-Line Interface, Application Programming Interface (API), Software Documentation, Cloud API, Real Time Data, Key Management, Development Environment, JSON
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Accounts Payable, Auditing, Accounting Systems, Audit Planning, Financial Auditing, Accounting Records, Auditors Report, Document Management, Transaction Processing, Verification And Validation, SAP Applications, Financial Controls, Compliance Auditing, Internal Controls, Fraud detection, Payment Systems
Beginner · Course · 1 - 3 Months

Vanderbilt University
Skills you'll gain: Android Studio, Android Development, Object Oriented Programming (OOP), Java Programming, Java, Mobile Development, Data Structures, Integrated Development Environments, Computer Programming, Debugging, Algorithms
Beginner · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Email Marketing, Email Automation, Microsoft Copilot, Marketing Automation, Data Ethics, Business Marketing, Generative AI, Search Engine Optimization, Content Marketing, Google Gemini, Prompt Patterns, Multimodal Prompts, ChatGPT, Search Engine Marketing, Digital Marketing, Deepseek, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Sales
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Verification And Validation, Sampling (Statistics), Performance Testing, Statistical Machine Learning, Test Data, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Sustainable Development, Climate Change Adaptation, Sustainable Design, Sustainable Technologies, Community Development, Governance, Socioeconomics, Water Sustainability, Environment, Sustainable Business, Social Impact, Systems Thinking, Environmental Issue, Environmental Science, Climate Change Mitigation, Case Studies, Water Resources, Multimedia, Business Modeling, Innovation
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Content Performance Analysis, Marketing Analytics, Marketing Automation, Performance marketing, Web Analytics, Customer Analysis, Campaign Management, Email Marketing, Web Analytics and SEO, Performance Analysis, Digital Advertising, Promotions and Campaigns, Social Media Content, Revenue Forecasting, Search Engine Optimization, Content Development and Management, Financial Forecasting, Strategic Partnership, Budget Management, Copywriting
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Software Testing, System Testing, Database Design, Requirements Analysis, Test Case, Automation, Test Data, Enterprise Application Management, Databases, Application Design, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks