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: Redis, Microservices, Restful API, .NET Framework, Application Programming Interface (API), Object-Relational Mapping, API Design, PostgreSQL, Scalability, Maintainability, Database Design, Software Architecture, Software Design Patterns, Data Validation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Risk Control, Risk Management, Compliance Reporting, Risk Mitigation, Risk Analysis, Business Risk Management, Internal Controls, Continuous Monitoring, Data Management, Key Performance Indicators (KPIs), Stakeholder Communications
Intermediate · Course · 1 - 4 Weeks

Starweaver
Skills you'll gain: SQL, Business Intelligence, Jupyter, Python Programming
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: NumPy, Pandas (Python Package), Image Analysis, Data Manipulation, Matplotlib, Computer Vision, Data Analysis, Interactive Data Visualization, Python Programming, Data Visualization, JSON, Dashboard, Data Visualization Software, Jupyter, Web Applications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Business Intelligence, Power BI, Cloud Security, Advanced Analytics, Data Management, Data Governance, Amazon Web Services, Data Integration, Data Security, Cost Control, Data Visualization Software, Cloud Computing, Data Warehousing, Data Modeling, Statistical Reporting, Amazon S3, SQL
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Penetration Testing, Exploitation techniques, Cyber Security Assessment, Unix, Vulnerability Assessments, Unix Commands, Unix Shell, System Programming, Shell Script, Linux, Debugging, Linux Commands, Computer Architecture, Authentications
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Agentic systems, Responsible AI, Compliance Management, Governance, Regulatory Compliance, Artificial Intelligence, Risk Analysis, Case Studies, Business Ethics, Ethical Standards And Conduct, Risk Management, Accountability, Regulatory Requirements
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Risk Management, Risk Management Framework, Infrastructure Security, Information Systems Security, Security Controls, Security Engineering, Safety and Security, Cybersecurity, Cyber Security Strategy, Cyber Risk, Vulnerability Assessments, Cyber Security Policies, Cyber Security Assessment, Industrial Design, Emerging Technologies
Beginner · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Web Analytics and SEO, Search Engine Optimization, Search Engine Marketing, Marketing, Google Analytics, Case Studies, Market Research, Content Strategy, Competitive Analysis
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Canva (Software), Color Theory, Photo Editing, Layout Design, Design Elements And Principles, Typography, Graphic Design, Content Creation, Content Marketing, Digital Marketing
Intermediate · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Swift Programming, Core Data (Software), iOS Development, Mobile Development, Secure Coding, User Interface (UI), Application Deployment, Scalability, User Interface (UI) Design, UI Components, Debugging, Data Persistence, Data Management, Model View Controller, Performance Tuning, Programming Principles, Application Programming Interface (API), Application Security
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Programming Principles, Java, Data Structures, Program Development, Eclipse (Software), Object Oriented Programming (OOP), Computer Programming, Debugging, Application Programming Interface (API), Database Application
Intermediate · Course · 1 - 4 Weeks