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.

Coursera
Skills you'll gain: Vector Databases, Semantic Web, Database Theory, Database Design, Databases, NoSQL, Decision Making, Relational Databases, Data-Driven Decision-Making, Data Architecture, Stakeholder Communications, Business Analysis, Stakeholder Management, Persuasive Communication, Machine Learning Methods, System Design and Implementation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Microsoft Excel, Excel Formulas, Data Management, Data Visualization, Spreadsheet Software, Data Validation, Data Cleansing, Data Analysis Expressions (DAX), Data Integrity, Productivity Software, Problem Solving
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Email Automation, Email Marketing, Target Audience, Copywriting, Marketing Automation, Marketing Materials, Customer Analysis, Campaign Management, HubSpot CRM, User Experience, Customer Engagement, Workflow Management, Marketing Communications, Content Creation, Stakeholder Communications
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Ansible, Scalability, DevOps, Infrastructure as Code (IaC), IT Automation, Cloud Infrastructure, Systems Design, Application Deployment, Systems Architecture, YAML, Web Servers, Configuration Management, Linux, MySQL
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Tool Calling, OAuth, AI Orchestration, Middleware, Generative AI Agents, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Business Logic, Software Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Supplier Management, Inventory Control, Procurement, Vendor Management, Inventory Management System, Cost Reduction, Performance Measurement, Purchasing, Supplier Relationship Management, Accounts Payable, Document Control, Data Integrity, Data Management, Reconciliation, Record Keeping, Financial Analysis, Spreadsheet Software
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Unity Engine, Android Development, C# (Programming Language), Video Game Development, Animation and Game Design, User Interface (UI), Mobile Development, User Interface and User Experience (UI/UX) Design, Microsoft Visual Studio, Software Installation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Minitab, Process Capability, Statistical Process Controls, Statistical Hypothesis Testing, Descriptive Statistics, Statistical Analysis, Sampling (Statistics), Statistical Visualization, Probability & Statistics, Probability Distribution, Data Analysis, Statistical Methods, Performance Analysis, Statistical Inference, Quality Control, Regression Analysis
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Analytics, Marketing Budgets, Dashboard, Regression Analysis, Marketing Effectiveness, Data-Driven Decision-Making, Analytics, Statistical Analysis, Statistical Methods, Marketing Strategies, Data Analysis, Return On Investment, Data Visualization, Data Storytelling, Marketing Channel, Budgeting
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: API Design, Cloud Solutions, Network Troubleshooting, Server Side, Cloud Deployment, Back-End Web Development, Data Pipelines
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Power Platform, Microsoft Power Automate/Flow, Digital Transformation, Business Transformation, Solution Design, Data Governance, Scalability, No-Code Development, Business Process Automation, Enterprise Architecture, Governance, AI Enablement, Power BI, Business Intelligence, Data-Driven Decision-Making, Data Security, Stakeholder Engagement, Azure DevOps, Innovation, Data Analysis
Beginner · Course · 3 - 6 Months

Skills you'll gain: Plot (Graphics), Swift Programming, Apple iOS, Interactive Data Visualization, Apple Xcode, User Interface (UI), User Interface (UI) Design, Color Theory, Hypertext Markup Language (HTML), Animations, Data Management, Debugging
Intermediate · Course · 1 - 3 Months