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: MLOps (Machine Learning Operations), Model Deployment, Software Documentation, Code Reusability, Model Training, Test Script Development, Continuous Delivery, Test Automation, Model Evaluation, Continuous Integration, Technical Documentation, API Design, Application Programming Interface (API), Data Validation, Applied Machine Learning, Machine Learning Methods, Maintainability, Version Control, Package and Software Management, Code Review
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Query Languages, Data Integrity, Data Manipulation, Data Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Instagram, Visual Storytelling, Social Media, Social Media Content, Photo Editing, Graphic and Visual Design, Social Media Marketing, Content Creation, Advertising Campaigns, Graphic Design, Creative Design, Digital Publishing, Graphical Tools, Branding, Content Marketing, Customer Engagement, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Music Theory, Instrumental Music, Musical Composition, Music, Choral Music, Classical Music, Music Performance, Media Production, Post-Production
Beginner · Course · 1 - 3 Months

Skills you'll gain: Database Development, Operational Databases, Performance Tuning, Systems Development, Java Programming, System Monitoring, System Requirements, Business Reporting, Management Reporting, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Store, User Interface (UI) Design, Databases, User Interface and User Experience (UI/UX) Design, Database Management, Data Modeling, Database Theory, Data Persistence, Mobile Development Tools, Maintainability
Intermediate · Course · 3 - 6 Months

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, Claude Code, Kaizen Methodology, Code Coverage, Verification And Validation, Testability, Quality Assurance, Agentic systems, Software Quality (SQA/SQC), Test Automation, Development Testing, Maintainability, Software Testing, Generative AI Agents, Agentic Workflows, Artificial Intelligence, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Decision Intelligence, Verification And Validation, Release Management, Maintainability, Machine Learning, Experimentation, Performance Testing, Benchmarking, Performance Analysis
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Dashboard Creation, Data Storytelling, People Analytics, Data Visualization, Human Resources Information System (HRIS), Key Performance Indicators (KPIs), Workforce Planning, Analysis, Performance Metric, Data Mapping, Stakeholder Communications, Business Metrics, Workforce Management, Data Import/Export, Prompt Engineering, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Collaborative Software, Project Management Software, Workflow Management, Project Management, Project Implementation, Project Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Security Engineering, Hardening, Embedded Systems, Information Systems Security, Security Controls, Network Security, IT Security Architecture, Threat Modeling, Cybersecurity, Encryption, System Configuration, Federal Information Security Management Act, Linux, Hardware Architecture, Data Storage Technologies, Cryptography, Key Management, File Systems, Computer Hardware
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Salesforce Development, Salesforce, Middleware, CI/CD, Software Architecture, Solution Architecture, Continuous Deployment, Systems Architecture, Continuous Integration, Code Review, Force.com, Relational Databases, DevOps, API Design, Software Design, Software Design Patterns, Database Design, Security Architecture Review, System Design and Implementation, Scalability
Beginner · Course · 1 - 3 Months