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.

Coursera
Skills you'll gain: A/B Testing, Data-Driven Decision-Making, Business Analytics, Statistical Methods, Statistical Hypothesis Testing, Statistics, Estimation, Decision Making, Data Analysis, Analytical Skills, Statistical Inference, Statistical Analysis, Web Analytics, Sample Size Determination
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Geographic Information Systems, Package and Software Management, Scripting, Statistical Analysis, Probability & Statistics, JSON, Image Analysis, Data Validation, Web Scraping, Intelligence Collection and Analysis, Data Analysis, Statistics, Python Programming, Data Processing, Restful API, File Transfer Protocol (FTP), Open Source Technology
Beginner · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Tool Calling, OAuth, AI Orchestration, Middleware, Generative AI Agents, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Business Logic, Software Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Product Strategy, AI Security, Capacity Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Tableau Software, Data Presentation, Data Storytelling, Interactive Data Visualization, Dashboard, Data Visualization Software, Data Analysis, Analytics, Data-Driven Decision-Making, Trend Analysis, Data Integration, Data Management, Geospatial Mapping
Beginner · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Problem Solving, Growth Mindedness, Emotional Intelligence, Adaptability, Social Skills, Brainstorming, Active Listening, Critical Thinking, Resilience, Personal Attributes, Creative Thinking, Empathy, Professional Development, Action Oriented, Constructive Feedback, Stress Management, Willingness To Learn, Lifelong Learning, Positivity, Growth Strategies
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Architecture, LLM Application, Data Quality, Generative AI, Microservices, Data Governance, Data Pipelines, Extract, Transform, Load, Data Storage Technologies, Data Management, Self Service Technologies, Cloud Storage, Data Processing, Data Storage, Scalability, Data Wrangling, Data Collection, Application Programming Interface (API)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Accounts Payable, Accounts Payable and Receivable, Accounts Receivable, Billing & Invoicing, Invoicing, Accounting Software, Workflow Management, Payment Processing, Accounting Records, Data Entry, Business Process Automation, Tax Compliance, Document Management, Spreadsheet Software, Excel Formulas, Financial Controls, Verification And Validation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Project Management Software, Project Management, User Feedback, Workflow Management, Project Documentation, Standard Operating Procedure, Process Improvement, Operational Efficiency, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MySQL, Cloud Development, Google Cloud Platform, Cloud Computing, Back-End Web Development, Restful API, Data Persistence, Verification And Validation, Systems Architecture, Databases, Database Design, Application Development
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Data Pipelines, Distributed Computing, Big Data, Apache Hive, Data Processing, Data Storage Technologies, Data Storage, Scikit Learn (Machine Learning Library), Predictive Modeling, Scalability, Data Management, Data Science, Data Transformation, Information Technology, Data Analysis, Python Programming
Build toward a degree
Intermediate · 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