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: Performance Testing, Performance Stress Testing, Performance Tuning, Performance Measurement, System Configuration, Network Performance Management, Configuration Management, System Monitoring, Content Management Systems, Site Reliability Engineering, IT Infrastructure, Technical Documentation, Content Creation
Advanced · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Generative AI, Web Content, User Experience, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MongoDB, Full-Stack Web Development, Frontend Integration, Node.JS, Web Design and Development, Web Development, Operational Databases, Web Applications, Front-End Web Development, JavaScript Frameworks, Server Side, Web Frameworks, Back-End Web Development, Data Store, Network Routing, Database Development, Hypertext Markup Language (HTML), Data Access, Development Environment, Middleware
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Box Plots, Performance Analysis, Team Performance Management, Collaborative Software, Performance Metric, Performance Measurement, Collaboration, Statistical Visualization, Data-Driven Decision-Making, Analysis, Data Storytelling, Report Writing, Key Performance Indicators (KPIs), Business Metrics, Test Tools, Virtual Teams, Communication Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data-Driven Decision-Making, Stakeholder Management, Root Cause Analysis, Six Sigma Methodology, Process Improvement, Stakeholder Communications, Lean Six Sigma, Quality Improvement, Stakeholder Engagement, Stakeholder Analysis, Process Improvement and Optimization, Continuous Improvement Process, Process Mapping, IT Service Management, Lean Methodologies, Operational Efficiency, Process Analysis, Pareto Chart, Process Optimization, Service Improvement
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Django (Web Framework), Restful API, Content Management Systems, API Design, Application Deployment, Content Management, Learning Management Systems, Docker (Software), Web Servers, Nginx, Data Modeling, Web Development, PostgreSQL, Authentications, Containerization, Ajax, Python Programming, Performance Tuning, Real Time Data
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Model Context Protocol, Claude Code, Kaizen Methodology, Code Coverage, Verification And Validation, Testability, Quality Assurance, Agentic systems, Software Quality (SQA/SQC), Test Automation, Development Testing, Maintainability, Software Testing, Generative AI Agents, Agentic Workflows, Artificial Intelligence, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Tools, Browser Compatibility, Software Testing, Test Automation, Continuous Integration, Web Development Tools, Cloud-Based Integration, CI/CD, Regression Testing, Cloud Platforms, Verification And Validation, Quality Assurance, User Interface (UI), Automation, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, Video Game Development, Animation and Game Design, Programming Principles, Data Structures, General Mathematics, Plot (Graphics), Computer Graphics, Game Design, Graphing, Linear Algebra, Computational Logic, Geometry, Advanced Mathematics, Algorithms, Applied Mathematics
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Amazon DynamoDB, Amazon Web Services, Database Management Systems, Database Administration, Database Management, Relational Databases, Database Architecture and Administration, Capacity Management, Transaction Processing, Database Design, Data Analysis Expressions (DAX), Data Modeling, Distributed Computing, Data Storage Technologies, Data Access, Scalability, Performance Tuning
Beginner · Course · 3 - 6 Months

Skills you'll gain: Portfolio Management, Wealth Management, Financial Planning, Portfolio Risk, Risk Management, Investment Management, Asset Management, Financial Analysis, Cash Flow Forecasting, Financial Management, Fixed Asset, Financial Forecasting, Investments, Risk Mitigation, Cash Flows, Insurance, Real Estate, Goal Setting, Insurance Policies
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Global Marketing, Marketing, Strategic Marketing, Marketing Management, Consumer Behaviour, Organizational Structure, Branding, Marketing Strategies, Marketing Planning, Brand Strategy, Product Strategy, Culture, Promotional Strategies, Marketing Effectiveness, Business, Growth Strategies, Research, Operations Management, Environment, Planning
Mixed · Course · 1 - 3 Months