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: Shiny (R Package), Cloud Deployment, Interactive Data Visualization, Application Deployment, Data Visualization, Server Side, Performance Tuning, R (Software), Dashboard, Application Lifecycle Management, Data Visualization Software, User Interface (UI), Web Applications, Authentications, Application Development, User Interface (UI) Design, Exploratory Data Analysis, Interactive Design, R Programming, Data Management
Beginner · Specialization · 1 - 3 Months

Arizona State University
Skills you'll gain: Communication, Business Correspondence, Business Communication, Verbal Communication Skills, Interpersonal Communications, Emotional Intelligence, Meeting Facilitation, Professionalism, Non-Verbal Communication, Rapport Building, Virtual Teams, Relationship Building, Business Writing, Collaboration, Active Listening, Concision, Writing, Presentations
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: AI Security, Code Review, Secure Coding, Microsoft Copilot, Anthropic Claude, Security Testing, Prompt Patterns, LLM Application, OpenAI API, Generative AI, Large Language Modeling, Open Web Application Security Project (OWASP), Verification And Validation, AI Workflows, Generative AI Agents, Responsible AI, Vulnerability Scanning, AI Enablement, Prompt Engineering, GitHub
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Dashboard, Market Data, Data-Driven Decision-Making, Tableau Software, Financial Market, Interactive Data Visualization, Financial Data, Financial Analysis, Technical Analysis, Data Analysis, Data Visualization, Data Visualization Software, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Spatial Data Analysis, Geographic Information Systems, Geospatial Information and Technology, Data Analysis, Image Analysis, Data Processing, Data Preprocessing, NumPy, Data Validation, Metadata Management, Data Collection, Data Management
Beginner · Course · 1 - 4 Weeks
University of Pennsylvania
Skills you'll gain: Operations Management, Operational Efficiency, Process Analysis, Process Management, Process Improvement, Lean Methodologies, Workflow Management, Continuous Improvement Process, Capacity Planning, Quality Management, Supply Chain Management, Inventory Management System, Statistical Process Controls, Process Flow Diagrams, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Image Analysis, Anomaly Detection, Unsupervised Learning, Microsoft Azure, Natural Language Processing, Computer Vision, Artificial Intelligence, Applied Machine Learning, MLOps (Machine Learning Operations), AI Security, Regression Analysis, No-Code Development, Artificial Intelligence and Machine Learning (AI/ML), Predictive Modeling, Machine Learning, AI Workflows, Model Deployment, Classification Algorithms, Analytics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Test Script Development, Unit Testing, Software Testing, Jenkins, CI/CD, Continuous Integration, Test Tools, Apache Maven, Automation, Regression Testing, Test Case, DevOps, Java, C# (Programming Language), Java Programming, Python Programming
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Data Flow Diagrams (DFDs), Diagram Design, Data Mapping, Data Literacy, Data Pipelines, Data Visualization, Dataflow, Data Presentation, Technical Communication, Data Store, Data Processing, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Development, Closing (Sales), Sales Presentation, Active Listening, Sales Presentations, Rapport Building, B2B Sales, Sales Strategy, Sales Process, Communication, Concision, Selling Techniques, Consultative Selling, Negotiation, Graphic and Visual Design, Strategic Partnership, Presentations, General Sales Practices, Consultative Approaches, Sales Pipelines
Intermediate · Specialization · 3 - 6 Months

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: Agentic Workflows, Technical Communication, Agentic systems, AI Orchestration, Artificial Intelligence and Machine Learning (AI/ML), AI Security, Data Presentation, Professional Development, MLOps (Machine Learning Operations), Technical Documentation, Coaching, Technical Writing, Portfolio Management, Verbal Communication Skills, Project Documentation, Communication Strategies, GitHub
Intermediate · Course · 1 - 4 Weeks