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.

Packt
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, NoSQL, Database Management, Database Design, Data Store, Development Environment, Command-Line Interface, JSON, Application Programming Interface (API), Software Development Tools, Performance Tuning, Scalability
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Usability Testing, Software Testing, Software Quality (SQA/SQC), Test Planning, Human Centered Design, Technical Communication, User Experience Design, User Research, UI/UX Research, User Interface (UI), Web Content Accessibility Guidelines, Stakeholder Engagement
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Design, Computational Logic, Verification And Validation, Software Systems, Theoretical Computer Science, Simulations, Programming Principles, Graph Theory, Model Evaluation, Hardware Architecture, Algorithms, Logical Reasoning
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Cloud Deployment, Cloud Security, Cloud Computing, Incident Response, Cloud Management, Cloud Services, Disaster Recovery, Capacity Management, Virtual Networking, IT Automation, Network Troubleshooting, Virtual Machines, Virtualization, Application Deployment, Application Security, System Monitoring, Security Controls, Capacity Planning
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Closing (Sales), Sustainable Business, Sales, Professional Development, Customer Relationship Building, Sales Strategy, Professionalism, Persuasive Communication, Emotional Intelligence, Influencing, Adaptability, Data Centers, Customer Insights, Interviewing Skills, Public Speaking, Negotiation, Account Management, Customer Relationship Management, Lead Generation, Digital Content
Beginner · Professional Certificate · 3 - 6 Months

Commonwealth Education Trust
Skills you'll gain: Lesson Planning, Professional Development, Constructive Feedback, Growth Mindedness, Self-Awareness, Collaboration, Personal Development, Empathy, Goal Setting, Adaptability
Mixed · Course · 1 - 4 Weeks

Scrimba
Skills you'll gain: JSON, UI Components, Application Deployment, Web Frameworks, Web Design and Development, Front-End Web Development, Information Architecture, Web Development Tools, Full-Stack Web Development, Web Development, HTML and CSS, Hypertext Markup Language (HTML), Content Management, Cascading Style Sheets (CSS), File Systems, Javascript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Interactive Design, User Interface and User Experience (UI/UX) Design, Unreal Engine, Game Design, Artificial Intelligence, Scripting, Video Game Development, Data Structures, Debugging
Mixed · Course · 1 - 3 Months

Coursera
Skills you'll gain: Flask (Web Framework), Model View Controller, Back-End Web Development, Hypertext Markup Language (HTML), Python Programming
Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Apache Kafka, Prometheus (Software), Performance Metric, Data Processing, Network Monitoring, Network Troubleshooting, Network Architecture
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Encryption, Secure Coding, File Management, Cryptography, Python Programming, Programming Principles, Debugging, Scripting, Software Testing, Data Structures
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: 3D Modeling, Animation and Game Design, Large Language Modeling, Generative AI, ChatGPT, Augmented and Virtual Reality (AR/VR), Prompt Engineering, Virtual Environment, Persona Development, Storytelling, AI Enablement, Artificial Intelligence
Beginner · Course · 1 - 4 Weeks