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: 3D Modeling, 3D Assets, Computer Graphic Techniques, Virtual Environment, Visualization (Computer Graphics), Computer Graphics, Performance Tuning, Image Quality, Technical Design, Graphical Tools, Design Elements And Principles, Design, Creative Design, Aesthetics
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Data Persistence, API Design, API Testing, Routing Protocols, Javascript, Database Design, Development Environment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Unreal Engine, 3D Modeling, Virtual Environment, Computer Graphics, Computer Graphic Techniques
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Infrastructure, Kubernetes, Cloud Deployment, Infrastructure As A Service (IaaS), Model Deployment, Network Performance Management, Application Deployment, Cloud Engineering, AI Orchestration, Containerization, Performance Tuning, Network Planning And Design, Distributed Computing, System Configuration
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Accounting Software, Data Validation, QuickBooks (Accounting Software), Expense Management, Accounting Records, Data Entry, Verification And Validation, Financial Reporting, Productivity Software, Spreadsheet Software, Microsoft Excel
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Cloud Applications, Cloud Security, Cloud Development, Identity and Access Management, Secure Coding, Security Awareness, Security Testing, Data Security, Cloud Deployment, User Provisioning, Software Development, Verification And Validation, Software Quality Assurance, Threat Management, Authentications, Multi-Factor Authentication
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: JavaScript Frameworks, Vue.JS, Front-End Web Development, Responsive Web Design, React.js, Web Development Tools, Application Programming Interface (API), HTML and CSS, Angular, Cascading Style Sheets (CSS), Javascript
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Apple iOS, Apple Xcode, Core Data (Software), iOS Development, Secure Coding, Application Deployment, Scalability, Swift Programming, Performance Tuning, Application Security, Debugging, Application Performance Management, Application Programming Interface (API), Performance Testing, Encryption, JSON
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, Generative AI Agents, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Application Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, Restful API, Test Script Development, Authentications, JSON, Authorization (Computing), Test Case, Data Import/Export, Scenario Testing, Java
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Development, Microservices, Scalability, Microsoft SQL Servers, Cloud Computing Architecture, Microsoft Visual Studio, Application Deployment
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Usability Testing, Software Design Documents, User Experience Design, UI/UX Research, User Experience, Prototyping, User Research, Test Planning, Design Software
Intermediate · Course · 1 - 4 Weeks