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.

Scrimba
Skills you'll gain: React Redux, React.js, Cascading Style Sheets (CSS), UI Components, JavaScript Frameworks, Front-End Web Development, User Interface (UI), Web Frameworks, Maintainability, Authentications, Web Development Tools, Application Frameworks, Javascript, Application Programming Interface (API), Web Design, Frontend Performance, Authorization (Computing), Web Development, Web Applications, Middleware
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Market Research, Business Research, Market Analysis, Marketing, Research Methodologies, Research, Demand Planning, Research Reports, Research Design, Competitive Analysis, Market Intelligence, Consumer Behaviour, Global Marketing, Market Trend, Customer Analysis, Analytical Skills, Business Strategies, Case Studies, Customer Insights, Report Writing
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: File I/O, Code Reusability, Python Programming, Programming Principles, Data Dictionary, File Systems, Computational Logic, Command-Line Interface, Data Cleansing, Data Structures, Package and Software Management, File Management, Scripting, Data Manipulation, Logical Reasoning, Development Environment, Simulations
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Fine-tuning, Vision Transformer (ViT), Prompt Engineering, PyTorch (Machine Learning Library), Model Deployment, Transfer Learning, Hugging Face, Natural Language Processing, MLOps (Machine Learning Operations), Large Language Modeling, Cloud Deployment, Computer Vision, Generative AI, Image Analysis, Application Deployment, Model Training, Generative Model Architectures, Embeddings, Data Preprocessing
Intermediate · Specialization · 1 - 4 Weeks
Codio
Skills you'll gain: Matplotlib, Version Control, Text Mining, GitHub, Large Language Modeling, Django (Web Framework), Git (Version Control System), Package and Software Management, Platform As A Service (PaaS), Plot (Graphics), Application Deployment, Object-Relational Mapping, Hugging Face, Natural Language Processing, Data Visualization Software, Unit Testing, Statistical Visualization, Development Environment, Virtual Environment, Python Programming
Intermediate · Specialization · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Customer Success Management, Rapport Building, Relationship Building, Customer Service, Customer Relationship Building, Customer experience strategy (CX), Customer Analysis, Customer Retention, Agile Methodology, Customer Engagement, Customer Relationship Management, Journey Mapping, Consultative Approaches, Customer Insights, Market Analysis, Software As A Service, Market Opportunities, Business Modeling, Organizational Structure, Market Data
Beginner · Specialization · 3 - 6 Months

ISSA (International Sports Sciences Association)
Skills you'll gain: Nutrition Counseling, Nutrition and Diet, Nutrition Care Plans, Health And Wellness Coaching, Nutritional Assessment, Dietetics, Nutrition Education, Exercise Science, Coaching, Clinical Nutrition, Motivational Interviewing, Habit Formation, Culture, Biology, Behavior Management, Health Assessment, Health Education, Athletic Training, Health Care, Mental and Behavioral Health
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Code Reusability, Object Oriented Programming (OOP), Jupyter, Computer Programming, Python Programming, Electrical and Computer Engineering, Program Development, Simulation and Simulation Software, Computational Logic, Hardware Design, Electronic Systems, Simulations, Process Modeling, Programming Principles
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Pandas (Python Package), Scatter Plots, Histogram, Correlation Analysis, Data Visualization, Data Manipulation, Plot (Graphics), Data Wrangling, Data Import/Export, JSON, Statistical Visualization, Data Cleansing, Data Transformation, Data Visualization Software, Data Preprocessing, Exploratory Data Analysis, Data Analysis, Python Programming
Intermediate · Guided Project · Less Than 2 Hours
Illinois Tech
Skills you'll gain: Health Informatics, Epidemiology, Clinical Informatics, Health Information Management and Medical Records, Epic EMR, Patient Flow, Public Health, Health Systems, Public Health and Disease Prevention, Innovation, Health Care, Healthcare Project Management, Data Analysis, Health Policy, Data Management, Natural Language Processing, Data Governance, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning, Regulatory Compliance
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Continuous Deployment, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Test Script Development, HTML and CSS, Development Testing, Hypertext Markup Language (HTML), Interviewing Skills, Web Development Tools, Debugging, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Microsoft
Skills you'll gain: Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, AI Orchestration, Responsible AI, AI Security, AI Integrations, Model Deployment, Context Engineering, Context Management, Healthcare Ethics, Patient Communication
Intermediate · Course · 1 - 4 Weeks