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.

AI CERTs
Skills you'll gain: Responsible AI, Predictive Modeling, Data Analysis, Research, AI Product Strategy, Statistical Analysis, Data Preprocessing, Data Science, Research Methodologies, AI Enablement, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Generative AI Agents, Generative AI, Research and Design, Research Reports, Ethical Standards And Conduct, Qualitative Research, Emerging Technologies
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Data Validation, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, Interactive Design, Human Computer Interaction, Interaction Design, User Flows, Scalability, Usability, Verification And Validation, Maintainability, Image Quality
Beginner · Specialization · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Instagram, Keyword Research, LinkedIn, Web Analytics and SEO, Blogs, Lead Generation, Events and Conferences, Copywriting, Google Analytics, Sales Presentation, Professional Networking, No-Code Development, Vibe coding, Promotional Materials, Web Content, Social Media Marketing, Search Engine Optimization, Growth Strategies, Social Media, Sales Prospecting
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: Responsive Web Design, JSON, User Interface (UI) Design, Color Theory, Cascading Style Sheets (CSS), HTML and CSS, Hypertext Markup Language (HTML), Restful API, Web Content Accessibility Guidelines, Event-Driven Programming, User Interface (UI), Web Design, Typography, Web Applications, Application Programming Interface (API), React.js, Web Design and Development, Web Development Tools, Javascript, Web Development
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Prompt Engineering, Generative AI Agents, Retrieval-Augmented Generation, Google Gemini, Responsible AI, Generative AI, Google Workspace, Google Cloud Platform, Gemini, AI Product Strategy, AI Enablement, AI Workflows, Productivity Software, AI Security, Unstructured Data, Tool Calling, Data Literacy, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Vector Databases, Retrieval-Augmented Generation, Performance Tuning, Data Migration, Data Infrastructure, Prompt Patterns, Query Languages, Agentic systems, Data Integrity, Scalability, Performance Testing, Embeddings, Database Management, AI Workflows, Prompt Engineering, Data-Driven Decision-Making, Docker (Software), LangChain, Data Modeling, Metadata Management
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Collaboration, Team Building, Project Coordination, Teamwork, Team Management, Workflow Management, Internal Communications, Delegation Skills, Communication Strategies, Resource Allocation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Core Data (Software), Apple iOS, Mobile Development, Apple Xcode, Data Modeling, Secure Coding, Data Persistence, Game Design, Swift Programming, Application Design, User Interface (UI), User Interface (UI) Design, Debugging
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Modeling, Operational Databases, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Tensorflow, Recurrent Neural Networks (RNNs), BeeAI, Keras (Neural Network Library), Transfer Learning, Deep Learning, Convolutional Neural Networks, Responsible AI, Agentic systems, Artificial Intelligence, AI Security, Scalability, Applied Machine Learning, Machine Learning
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Extract, Transform, Load, Data Migration, Data Warehousing, Test Case, Consolidation, Data Integrity, Regression Testing, Data Integration, Data Transformation, Data Pipelines, Data Mapping, SQL, Analytics, Business Requirements
Mixed · Course · 1 - 4 Weeks

Pontificia Universidad Católica de Chile
Skills you'll gain: People Management, Entrepreneurship, Accounting, Financial Management, Business Management, Team Management, Marketing, Customer experience strategy (CX), Finance, Financial Analysis, Business Planning, Innovation, Persona (User Experience), Recruitment
Mixed · Course · 1 - 3 Months