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.

The Hong Kong University of Science and Technology
Skills you'll gain: Bayesian Statistics, Mathematical Theory & Analysis, Arithmetic, Advanced Mathematics, Deductive Reasoning
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Warehousing, Data Architecture, Star Schema, Apache Hive, Snowflake Schema, Amazon Redshift, Data Storage, Data-Driven Decision-Making, Data Storage Technologies, Performance Testing, Data Processing, Analysis, Query Languages, Scalability, Technical Communication
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Vector Databases, Semantic Web, Database Theory, Database Design, Databases, NoSQL, Decision Making, Relational Databases, Data-Driven Decision-Making, Data Architecture, Stakeholder Communications, Business Analysis, Stakeholder Management, Persuasive Communication, Machine Learning Methods, System Design and Implementation
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

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

Skills you'll gain: HubSpot CRM, Social Media Marketing, Market Research, Surveys, Marketing Automation, Marketing, Customer Relationship Management, Brand Awareness, Social Media Management, Marketing Strategies, Marketing Effectiveness, Research Methodologies, Market Analysis, Customer Insights, Social Media Campaigns, Customer Acquisition Management, Customer Data Management, Customer Communications Management, Content Management, Analytics
Beginner · Course · 1 - 3 Months

Skills you'll gain: Risk Modeling, Financial Systems, Responsible AI, Safety Culture, FinTech
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Planning, Software Testing, Debugging, Test Case, Issue Tracking, Functional Testing, Unit Testing, Software Quality Assurance, System Testing, Test Tools, Acceptance Testing, Integration Testing, Test Driven Development (TDD), Test Automation, Regression Testing, Quality Assurance, Waterfall Methodology, Agile Methodology, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: System Design and Implementation, Model Deployment
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Campaign Management, Advertising Campaigns, Data Storytelling, Key Performance Indicators (KPIs), Marketing Strategies, Marketing Analytics, Project Management Life Cycle, Performance Metric, Marketing Planning, Performance Reporting, Data-Driven Decision-Making, Project Closure, Search Engine Optimization, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Responsible AI, Data Sharing, Data Ethics, Informed Consent, AI Security, Personally Identifiable Information, General Data Protection Regulation (GDPR), Ethical Standards And Conduct, Information Privacy, AI Personalization, Computer Security Awareness Training, Personal Integrity, Independent Thinking, Critical Thinking, User Flows, Accountability, Verification And Validation, Compliance Auditing
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Statistical Modeling, Statistical Methods, Statistical Inference, Bayesian Statistics, Data Visualization, Data Literacy, Statistics, Matplotlib, Statistical Software, Probability & Statistics, Model Evaluation, Seaborn, Statistical Analysis, Jupyter, Statistical Programming, Statistical Machine Learning, Regression Analysis, Python Programming
Beginner · Specialization · 1 - 3 Months