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.

University of Michigan
Skills you'll gain: Sampling (Statistics), Data Visualization, Plot (Graphics), Data Literacy, Statistics, Matplotlib, Seaborn, Probability & Statistics, Jupyter, Data Visualization Software, Data Analysis, Statistical Analysis, Exploratory Data Analysis, Descriptive Statistics, Statistical Inference, Data Collection, NumPy, Box Plots, Histogram, Python Programming
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Agentic systems, Performance Testing, AI Workflows, Prompt Engineering, Data-Driven Decision-Making, Generative AI, Data Validation, Model Evaluation, Verification And Validation, A/B Testing, MLOps (Machine Learning Operations), Embeddings
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Redis, NoSQL, Operational Databases, Key Management, Data Persistence, Data Structures, Data Storage, Performance Tuning, Data Manipulation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Agentic systems, Generative AI, Responsible AI, AI Security, AI Workflows, Artificial Intelligence, Prompt Engineering, LLM Application, LangChain, Data Ethics, Restful API, Automation, Natural Language Processing, Python Programming
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Campaign Management, Advertising Campaigns, Data Storytelling, Key Performance Indicators (KPIs), Marketing Strategies, Marketing Analytics, Project Management Life Cycle, Performance Metric, Marketing Planning, Performance Reporting, Data-Driven Decision-Making, Project Closure, Search Engine Optimization, Goal Setting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Coaching, Trend Analysis, Emotional Intelligence, Employee Engagement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Web Applications, Javascript, Hypertext Markup Language (HTML), Front-End Web Development, Scripting, Transaction Processing, Programming Principles, Data Validation
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Surveys, Market Research, Survey Creation, Data Synthesis, Business Research, Data-Driven Decision-Making, Customer Insights, Research Methodologies, Consumer Behaviour, Research Design, Product Development, Data Presentation, Product Strategy, Data Analysis, Data Collection, Data Visualization
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: Exploratory Data Analysis, Database Design, Shiny (R Package), Ggplot2, Data Wrangling, Data Visualization Software, Data Visualization, Relational Databases, Statistical Visualization, Statistical Analysis, Data Analysis, Rmarkdown, Model Evaluation, Data Presentation, SQL, Databases, Dashboard, Data Manipulation, Web Scraping, R Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SQL, Health Information Management, Relational Databases, Database Design, Back-End Web Development, Database Management, Databases, Web Applications, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Behavior-Driven Development, Gherkin (Scripting Language), Software Testing, Unit Testing, Test Script Development, Regression Testing, Test Case, Continuous Integration, Automation, Software Design Patterns, Web Development Tools, Maintainability, Python Programming, UI Components
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Ethics, Responsible AI, Retrieval-Augmented Generation, LLM Application, Operations Research, Strategic Thinking, Strategic Decision-Making, Business Strategy, Apache Kafka, Stakeholder Communications, Large Language Modeling, Real Time Data, AI Enablement, Performance Testing, Prompt Engineering, Business Analytics, Reinforcement Learning, Inventory Management System, Stakeholder Analysis, General Data Protection Regulation (GDPR)
Intermediate · Specialization · 3 - 6 Months