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: Apache Cassandra, Distributed Computing, NoSQL, Database Design, Query Languages, Performance Tuning, Scalability, Data Integrity, Data Management, Java
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Unit Testing, TypeScript, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, UI Components, Application Programming Interface (API), Restful API, Application Deployment, Performance Tuning, User Interface (UI), Authentications, JavaScript Frameworks, Scalability, Front-End Web Development, Node.JS, Authorization (Computing), Web Applications
Intermediate · Specialization · 1 - 3 Months

Logical Operations
Skills you'll gain: Microsoft Word, Microsoft Office, Proofreading, Document Management, Microsoft 365, Productivity Software, Microsoft Windows, Writing and Editing, Editing, Productivity, Writing, Computer Literacy, Technical Documentation, Collaborative Software, Report Writing, Web Content, Business Writing, Web Content Accessibility Guidelines, Collaboration, Business Communication
Mixed · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: People Management, Diversity and Inclusion, Organizational Leadership, Leadership and Management, Human Resource Strategy, Team Building, Organizational Strategy, Team Management, Leadership, Intercultural Competence, Organizational Structure, Team Leadership, People Development, Business Leadership, Organizational Effectiveness, Leadership Development, Brand Management, Branding, Employee Engagement, Strategic Thinking
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Transformation, Operational Databases, Database Management, Azure Synapse Analytics, Database Design, Data Wrangling, Data Architecture, Apache Cassandra, Apache Hive, Amazon Redshift
Advanced · Course · 1 - 4 Weeks
Universidade de São Paulo
Skills you'll gain: Search Engine Marketing, Digital Marketing, Email Marketing, Google Ads, Marketing Strategies, Search Engine Optimization, Google Analytics, Online Advertising, A/B Testing, Pay Per Click Advertising, Advertising Campaigns, Web Analytics, Digital Advertising, Facebook, Campaign Management, Marketing Analytics, Return On Investment, Performance Measurement
Beginner · Course · 1 - 3 Months

University of Arizona
Skills you'll gain: Web Analytics, Search Engine Marketing, Pay Per Click Advertising, User Experience Design, Google Ads, Search Engine Optimization, Web Analytics and SEO, Digital Marketing, Campaign Management, Content Marketing, Keyword Research, Data-Driven Decision-Making, Social Media Strategy, Marketing Effectiveness, Digital Media Strategy, Marketing Analytics, Marketing Strategy and Techniques, Marketing Planning, Customer Engagement, Target Audience
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Adobe Express, Responsible AI, Generative AI, AI Security, Graphic Design, Prompt Engineering, Image Analysis, Artificial Intelligence, Creativity, Data Integrity
Mixed · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Electrical Safety, Electrical Systems, High Voltage, Simulations, Electronic Components, Safety Standards, Estimation, Control Systems, Basic Electrical Systems, Thermal Management, Mathematical Modeling, Power Electronics, Electrical Power, Probability, Electrical Engineering, Electronic Systems, Model Evaluation, Simulation and Simulation Software, Engineering Calculations, Machine Learning Methods
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Virtual Networking, Kubernetes, Cloud Computing Architecture, Network Architecture, Google Cloud Platform, Network Planning And Design, Network Troubleshooting, Cloud Infrastructure, Scalability, TCP/IP
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Embeddings, Applied Machine Learning, Vector Databases, Artificial Intelligence and Machine Learning (AI/ML), Transfer Learning, PyTorch (Machine Learning Library), Vision Transformer (ViT), Image Analysis, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Hebrew University of Jerusalem
Skills you'll gain: Computer Science, Computer Architecture, Computer Programming, System Programming, Virtual Machines, Operating Systems, Hardware Architecture, Software Architecture, Algorithms, Object Oriented Programming (OOP), Data Structures, Computer Graphic Techniques
Mixed · Course · 1 - 3 Months