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: Jenkins, Continuous Integration, CI/CD, Selenium (Software), Test Script Development, OAuth, Software Testing, Development Environment, Application Programming Interface (API), Test Case, Test Tools, Git (Version Control System), Test Data, Software Installation, Debugging
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Development Environment, Scalability, Performance Tuning
Intermediate · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: NoSQL, MongoDB, Distributed Computing, Database Systems, Scalability, Big Data, Databases, Database Design, Software Architecture, Systems Architecture, Data Storage Technologies, Data Modeling, Relational Databases, Unstructured Data, Graph Theory
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Data Pipelines, Data Transformation, Data Integration, Data Processing, Extract, Transform, Load, Power BI, Data Lakes, PySpark, Apache Spark, Data Quality, Data Governance, Analytics
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Responsive Web Design, User Interface (UI) Design, Web Development Tools, HTML and CSS, Front-End Web Development, Javascript, Bootstrap (Front-End Framework), React.js, UI Components, Back-End Web Development, Semantic Web
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Java Platform Enterprise Edition (J2EE), Software Design Patterns, Java, Enterprise Architecture, Secure Coding, Application Servers, Software Design, Model View Controller, Software Architecture, Application Security, Maintainability, Programming Principles, Authorization (Computing), Authentications, Debugging, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Constructive Feedback, 3D Assets, Cooperation, Autodesk Maya, Contract Negotiation, Entrepreneurship, Animations, Animation and Game Design, Growth Strategies, Invoicing, Collaboration, 3D Modeling, Professional Development, Professionalism, Goal Setting, Stress Management, Rapport Building, Planning, Customer Acquisition Management, LinkedIn
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Site Reliability Engineering, Google Cloud Platform, Dataflow, Kubernetes, Real Time Data, Database Management, Big Data, Continuous Deployment, Data Pipelines, Databases, Relational Databases, Containerization, Cloud Applications, Data Processing, DevOps, Software Architecture, Scalability, Cloud Storage, System Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Communication Strategies, Team Management, Leadership, Productivity, Diversity Awareness, Collaboration, Workplace inclusivity, Communication, Interpersonal Communications, Empathy
Advanced · 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: Frontend Performance, Restful API
Intermediate · Course · 1 - 3 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Nutritional Assessment, Health Assessment, Diagnostic Tests, Physiology, Endocrinology, Biochemistry, Laboratory Testing, Pathology, Nutrition and Diet, Clinical Nutrition, Life Sciences, Biology, Systems Analysis, Molecular Biology
Intermediate · Course · 1 - 4 Weeks