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: GitHub, User Interface (UI) Design, 3D Assets
Advanced · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Performance Tuning, User Interface (UI), Authentications, JavaScript Frameworks, Scalability, Front-End Web Development, Node.JS, Authorization (Computing), Web Applications
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Planning, Dashboard, Project Schedules, Marketing Strategies, Marketing Budgets, Content Performance Analysis, Competitive Analysis, Timelines, Project Planning, Marketing Analytics, Marketing Effectiveness, Strategic Marketing, Business Intelligence, Performance Analysis, Project Estimation, Data Integration, Cost Benefit Analysis, Budget Management, Market Research, Search Engine Marketing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Supplier Quality Management, Quality Control, Supplier Performance Management, Corrective and Preventive Action (CAPA), Quality Assurance and Control, Quality Monitoring, Material Handling, Verification And Validation, Compliance Reporting, Management Reporting, Investigation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Debugging, Computational Thinking, Programming Principles, Program Development, Application Design, Command-Line Interface, Algorithms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Script Development, Behavior-Driven Development, API Testing, Code Coverage, Software Testing, Test Automation, Test Tools, Test Planning, Test Case, Maintainability, Software Quality Assurance, Application Programming Interface (API), Mockups, Python Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Tool Calling, OAuth, AI Orchestration, Middleware, Generative AI Agents, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Business Logic, Software Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: React Redux, React.js, UI Components, User Interface (UI), Front-End Web Development, Scalability, Web Applications, Development Environment, Web Development Tools, Javascript, Data Management, Debugging
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: Meeting Facilitation, Presentations, Persuasive Communication, Communication, Influencing, Verbal Communication Skills, Collaboration, Team Building, Interpersonal Communications, Business Communication, Virtual Teams, Public Speaking, Professional Development, Non-Verbal Communication, Strategic Communication, Empathy, Active Listening, Negotiation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Business Requirements, Workflow Management, Product Requirements, Code Review, Project Design, Blogs, E-Commerce, Front-End Web Development, Software Installation, Content Management Systems, System Configuration, Program Implementation
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Transaction Processing, Database Management, Data Manipulation, Relational Databases, Databases, Database Design, Database Software, Data Management, Data Integrity, Performance Tuning
Mixed · Course · 1 - 3 Months

Skills you'll gain: Redis, Data Persistence, NoSQL, Data Store, Operational Databases, Performance Tuning, Transaction Processing, Key Management, Server Administration, Data Structures, Data Storage, Real Time Data, Data Management, Event-Driven Programming, Scalability, Data Manipulation, Big Data, Query Languages, Data Modeling, Scripting
Beginner · Specialization · 1 - 3 Months