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.

Fractal Analytics
Skills you'll gain: A/B Testing, Design Thinking, User Centered Design, Design and Product, Experience Design, Data Storytelling, Dashboard, User Feedback, Solution Design, Stakeholder Engagement, Stakeholder Analysis, Customer Insights, Interviewing Skills, Empathy & Emotional Intelligence, Business Requirements, Problem Solving, Product Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Information Architecture, UI/UX Research, Persona (User Experience), Design Research, User Centered Design, User Interface and User Experience (UI/UX) Design, Surveys, Usability, Usability Testing, Persona Development, Prioritization, Tree Maps
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Software Design Patterns, Node.JS, Event-Driven Programming, Object Oriented Design, Software Design, Software Architecture, Javascript, Object Oriented Programming (OOP), Code Reusability, Maintainability, Performance Tuning
Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Game Design, Generative AI Agents, Agentic systems, Animation and Game Design, Video Game Development, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Machine Learning Methods, Generative AI, Game Theory, Design, Design and Product
Intermediate · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Application Specific Integrated Circuits, Embedded Systems, Electronic Systems, Schematic Diagrams, Hardware Architecture, System Design and Implementation, Design Software, Software Development Tools, Verification And Validation, Simulation and Simulation Software, Digital Design
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: Virtual Reality, Interactive Design, Interaction Design, Augmented and Virtual Reality (AR/VR), Virtual Environment, User Interface (UI), Human Computer Interaction, Display Devices, Human Machine Interfaces, Usability, User Interface (UI) Design, Human Factors, User Experience Design
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Civil Engineering, Construction Engineering, Construction, Design Specifications, Engineering Software, Engineering Design Process, Structural Analysis, Materials science, Engineering Calculations, Engineering Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, Enterprise Architecture, Virtualization, Network Architecture, Network Planning And Design, Virtual Local Area Network (VLAN), Virtual Private Networks (VPN), Computer Networking, Virtual Machines, Network Infrastructure, Network Model, Wide Area Networks, Infrastructure Architecture, Software-Defined Networking, Wireless Networks, Network Performance Management, Network Switches, Scalability, Network Protocols
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Responsible AI, Data Ethics, Data Storytelling, Data Presentation, Presentations, Technical Communication, Artificial Intelligence, Stakeholder Communications, AI literacy, Storytelling, Accountability Frameworks, Ethical Standards And Conduct, Accountability, Risk Mitigation, Communication Strategies, Design, Stakeholder Analysis, Model Evaluation, Risk Management, Project Documentation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embedded Software, Embedded Systems, Pseudocode, Microarchitecture, Hardware Architecture, Computer Architecture, Software Systems, Software Design, System Programming, Systems Design, Software Design Patterns, Systems Integration, Programming Principles, Event-Driven Programming, System Configuration, Real Time Data, Peripheral Devices, Memory Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Selenium (Software), Test Script Development, Test Tools, Test Case, Software Testing, Test Execution Engine, Test Data, Apache Maven, Automation, Java, Maintainability, Code Reusability, Extensible Markup Language (XML)
Beginner · Course · 1 - 3 Months
Skills you'll gain: Electronic Systems, Basic Electrical Systems, Electrical Engineering, Hardware Design, Electronic Hardware, Electronics Engineering, Electronics, Electronic Components, Network Analysis, Simulation and Simulation Software, Engineering Analysis, Engineering Calculations, Analysis, Simulations, High Voltage, Grant Applications
Intermediate · Course · 1 - 4 Weeks