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.

AI CERTs
Skills you'll gain: Responsible AI, Agentic Workflows, Risking, Generative AI Agents, AI Enablement, Artificial Intelligence and Machine Learning (AI/ML), Power BI, AI Workflows, Accounting and Finance Software, Regulatory Compliance, Automation, Financial Data, Wealth Management, Compliance Management, Financial Forecasting, Generative AI, Data Processing, Finance, Workflow Management, General Finance
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Mindfulness, Resilience, Emotional Intelligence, Communication, Interpersonal Communications, Personal Development, Stress Management, Personal Care, Self-Awareness, Empowerment, Mental Health, Persistence, Goal Setting
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Session Initiation Protocols, System Configuration, Collaborative Software, Network Administration, Telecommunications, Communication Systems, Systems Integration, Scalability, System Implementation
Beginner · Course · 1 - 3 Months
University of Michigan
Skills you'll gain: Matplotlib, Data Visualization, Data Visualization Software, Interactive Data Visualization, Scientific Visualization, Visualization (Computer Graphics), Statistical Visualization, Data Presentation, Graphing, Scatter Plots, Data Manipulation, Histogram, NumPy, Pandas (Python Package), Python Programming
Intermediate · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Search Engine Marketing, Digital Marketing, Email Marketing, Google Ads, Marketing Strategies, Search Engine Optimization, Google Analytics, Online Advertising, A/B Testing, Pay Per Click Advertising, Advertising Campaigns, Web Analytics, Digital Advertising, Facebook, Campaign Management, Marketing Analytics, Return On Investment, Performance Measurement
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Keyword Research, Generative AI, Search Engine Optimization, Content Strategy, AI Workflows, Digital Marketing
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Prompt Engineering, Prompt Patterns, Multimodal Prompts, Data Ethics, AI Enablement, Large Language Modeling, Generative AI, Target Audience
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cucumber (Software), Software Testing, Selenium (Software), Gherkin (Scripting Language), JUnit, Verification And Validation, Test Automation, Unit Testing, Security Testing, Regression Testing, System Testing, Test Case, Software Development Tools, Testability, White-Box Testing, Behavior-Driven Development, Code Coverage, Performance Testing, Development Testing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: System Monitoring, Dashboard, Application Performance Management, Site Reliability Engineering, Continuous Monitoring, Event Monitoring, Performance Metric, Service Level, Generative AI, MLOps (Machine Learning Operations), Service Level Agreement, Distributed Computing, Incident Management, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: Model Context Protocol, Prompt Engineering, Retrieval-Augmented Generation, LangChain, OpenAI API, Embeddings, Image Analysis, Responsible AI, AI Workflows, LLM Application, Cloud Deployment, Cloud Applications, Multimodal Prompts, Hugging Face, Generative AI, Application Deployment, OpenAI, API Gateway, Vector Databases, Software Engineering
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Security Strategy, Security Requirements Analysis, Security Awareness, Record Keeping, Information Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Patient Communication, Medical Office Procedures, Business Correspondence, Internal Communications, Business Writing, Strategic Communication, Writing, Patient Safety, Business Communication, Accountability, Communication, Professionalism, Organizational Skills, Action Oriented, Prioritization
Beginner · Course · 1 - 4 Weeks