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.

Northeastern University
Skills you'll gain: Software Development Life Cycle, Agile Software Development, Software Development Methodologies, Agile Methodology, Agile Project Management, Scrum (Software Development), Requirements Analysis, Sprint Retrospectives, Software Development, Sprint Planning, Waterfall Methodology, Backlogs, User Story, Continuous Integration
Mixed · Course · 1 - 3 Months

Skills you'll gain: Unreal Engine, Animation and Game Design, Virtual Environment, 3D Assets, Visualization (Computer Graphics), User Interface (UI), Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Stakeholder Management, Agile Project Management, Stakeholder Engagement, Sprint Planning, Agile Methodology, Project Planning, Requirements Management, Release Management, Backlogs, Sprint Retrospectives, Project Scoping, Kanban Principles, User Story, Prioritization, Estimation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Excel, Dashboard, Data Visualization, Spreadsheet Software, Data Presentation, Excel Formulas, Stakeholder Communications, Project Coordination, Project Management, Technical Communication, Operational Efficiency, Project Planning, Prioritization, Data-Driven Decision-Making, Scheduling, Performance Analysis, Automation
Beginner · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Blockchain, Application Programming Interface (API), API Design, Secure Coding, User Acceptance Testing (UAT), Application Security, Web Development Tools, Frontend Integration, Software Development Tools, Cloud Applications, Application Design, Middleware, Full-Stack Web Development, Interoperability, Scripting, FinTech, Payment Systems, Solution Architecture, Emerging Technologies, Cryptography
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, Responsible AI, LLM Application, Unit Testing, Verification And Validation, API Testing, Test Case, Security Testing, Software Testing, Code Coverage, Large Language Modeling, Model Evaluation, Test Tools, Test Script Development, Prompt Engineering, Threat Modeling, Penetration Testing, Maintainability, Software Technical Review, Quality Assessment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Bootstrap (Front-End Framework), Node.JS, Back-End Web Development, Unit Testing, Full-Stack Web Development, Front-End Web Development, Authentications, TypeScript, MySQL
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Literacy, Data Analysis, JSON, Data Transformation, Financial Data, Power BI, Data Wrangling, Data Import/Export, Automation, Business Reporting, Data Cleansing, Extract, Transform, Load, Financial Reporting, Data Structures, Data Pipelines, Data Governance, Data Integrity
Intermediate · Course · 1 - 4 Weeks

SAE Institute México
Skills you'll gain: Unreal Engine, Animation and Game Design, 3D Modeling, Animations, Video Game Development, Game Design, Artificial Intelligence, Blueprinting
Beginner · Course · 1 - 4 Weeks

Creo Incubator
Skills you'll gain: Go To Market Strategy, Growth Strategies, Market Analysis, Entrepreneurship, Customer Analysis, Entrepreneurial Finance, Target Market, Product Marketing, Data-Driven Decision-Making, Financial Statements, Ideation, Lean Methodologies, Adaptability, Innovation, Fundraising, Mergers & Acquisitions, Finance, Marketing Channel, Project Finance, Critical Thinking and Problem Solving
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: AI Workflows, Agentic systems, AI Orchestration, AI Enablement, Advanced Analytics, Data Processing, Enterprise Architecture, Automation, Data Transformation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Application Deployment, Scalability, Performance Tuning, Business Metrics, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Sales Strategy, Price Negotiation, Customer Retention, Product Strategy, Upselling, Coaching, Case Studies, E-Commerce, Customer Relationship Building, Service Design
Mixed · Course · 1 - 3 Months