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: Point of Sale, Order Delivery, Shipping and Receiving, Logistics Management, Customer experience strategy (CX), Process Optimization
Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Social Media, Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Content, Social Media Campaigns, Content Performance Analysis, Social Media Analytics, Brand Management, Campaign Management, Instagram, Content Creation, Performance Analysis, Branding, Campaign Planning, Performance Measurement, Target Audience, Content Scheduling, Brand Strategy, Digital Marketing Tools
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Systems, Database Theory, MongoDB, Database Development, Database Management Systems, Data Modeling, Database Management, Database Architecture and Administration, NoSQL, Relational Databases, Unified Modeling Language, SQL, Data Management, Performance Tuning, Software Architecture, Conceptual Design
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, AI Workflows, CrewAI, Agentic Workflows, Model Deployment, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Software Architecture, Application Deployment, Systems Architecture, System Design and Implementation, Communication Systems, Safety and Security, System Monitoring, Scalability, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Trustworthiness, Research, Research Methodologies, Research and Design, Honesty, Personal Integrity, Peer Review, Journals, Intellectual Property, Mentorship
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, Restful API, User Interface (UI) Design, Application Programming Interface (API), Web Development Tools, User Interface (UI), Web Design and Development, Database Design, HTML and CSS, User Interface and User Experience (UI/UX) Design, API Gateway, API Design, Front-End Web Development, Web Design, MongoDB, Cascading Style Sheets (CSS), Database Theory, Database Management, OAuth, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Delegation Skills, Prioritization, Employee Training, Empowerment, Follow Through, Team Building, Strategic Prioritization, Organizational Leadership, Professional Development, Trustworthiness, Supervision, Rapport Building, Team Management, Leadership, Verification And Validation, Leadership Development, Team Collaboration, Productivity, Performance Analysis
Advanced · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Data Structures, Algorithms, Performance Tuning, Other Programming Languages, Functional Design, Performance Testing, Unsupervised Learning, Computer Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Materials, Presentations, Marketing Collateral, Social Media Content, Content Creation, Promotional Materials, Brand Awareness, Marketing Design, Email Marketing, Social Media Marketing, Graphic Design, Branding, User Accounts, Business Communication
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Minitab, Six Sigma Methodology, Lean Six Sigma, Root Cause Analysis, Statistical Process Controls, Data Analysis Software, Statistical Software, Process Improvement and Optimization, Project Scoping, Kaizen Methodology, Quality Improvement, Data-Driven Decision-Making, Project Design, Process Improvement, Solution Design, Waste Minimization, Project Documentation, Project Management, Lean Manufacturing, Quality Assessment
Beginner · Course · 3 - 6 Months

Skills you'll gain: Data Warehousing, IBM Cognos Analytics, Extract, Transform, Load, Database Architecture and Administration, Data Visualization, Database Design, Dashboard Creation, Data Modeling, MySQL, Dashboard, Business Intelligence, Database Management, Data Architecture, Data Pipelines, PostgreSQL, Statistical Reporting, Shell Script, SQL, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks