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.

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Control Systems, Automation Engineering, Simulation and Simulation Software, Digital Signal Processing, Matlab, Process Control, Engineering Analysis, Electrical and Computer Engineering, Mathematical Modeling, Systems Analysis, Differential Equations, Estimation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Logo Design, Marketing Design, Graphic and Visual Design Software, Graphic and Visual Design, Marketing Materials, Creative Design, Graphic Design, Promotional Materials, Content Creation, Video Production, Social Media Marketing, Content Marketing
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Systems Design, Computational Logic, Verification And Validation, Computer Engineering, Communication Systems, Software Systems, Process Modeling, Theoretical Computer Science, Graph Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Design, API Gateway, Restful API, Application Programming Interface (API), Test Automation, Postman API Platform, Data Mapping, Application Deployment, Scripting, Cloud Deployment, Salesforce, Robotic Process Automation, Business Process Automation, Software Testing, Data Integration, API Testing, Simple Object Access Protocol (SOAP), Architectural Design, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML)
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
Intermediate · Specialization · 3 - 6 Months
Macquarie University
Skills you'll gain: Microsoft Excel, Excel Macros, Excel Formulas, Data Validation, Data Modeling, Spreadsheet Software, Verification And Validation, Data Integrity, Dependency Analysis, Automation
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Application Programming Interface (API), API Gateway, GraphQL, API Design, Restful API, OAuth, Software Documentation, Authentications, Debugging, Real Time Data, Authorization (Computing), Version Control
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Model Optimization, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Model Training, Data Preprocessing, Data Processing, Hugging Face, Classification Algorithms
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Wireframing, User Flows, Web Design, Prototyping, UI Components, User Interface (UI), Interaction Design, Web Development
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Routing Protocols, Virtual Networking, Network Routing, Network Architecture, Hybrid Cloud Computing, Network Planning And Design, Amazon Web Services, Virtual Private Networks (VPN), Information Technology Architecture, Cloud Computing Architecture, General Networking, Network Infrastructure, Network Administration, Network Performance Management, Network Security, Cloud Infrastructure, Cloud Computing, Network Analysis, Operations Management
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Relational Databases, Databases, Database Theory, Database Design, Database Management, Database Development, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, Data Storage, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Presentations, Canva (Software), Marketing Design, Graphic Design, Graphical Tools, Graphic and Visual Design, Marketing Materials, Graphic and Visual Design Software, Marketing, User Accounts, Business
Intermediate · Guided Project · Less Than 2 Hours