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: Backlogs, Jira (Software), Sprint Planning, Agile Methodology, Agile Product Development, User Story, Data-Driven Decision-Making, Workflow Management, Prioritization, Key Performance Indicators (KPIs), Process Design, Continuous Improvement Process, Quality Assurance, Standard Operating Procedure
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, ChatGPT, No-Code Development, Model Deployment, Self Service Technologies, Application Deployment, IBM Cloud, Prompt Engineering, LLM Application, Generative AI, Customer Service, Context Management, Operational Efficiency, WordPress, Scalability, Data Persistence
Beginner · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Software Testing, System Testing, Database Design, Requirements Analysis, Test Case, Automation, Test Data, Enterprise Application Management, Databases, Application Design, Role-Based Access Control (RBAC)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Computer Graphics, Software Architecture, Development Environment, Software Design, Maintainability, Software Design Patterns, Visualization (Computer Graphics), Cross Platform Development, Computer Graphic Techniques, Integrated Development Environments, Scalability, C++ (Programming Language), System Design and Implementation, Video Game Development, Program Development, Debugging, Performance Tuning, Data Flow Diagrams (DFDs), Software Installation, System Configuration
Beginner · Specialization · 3 - 6 Months

Northwestern University
Skills you'll gain: Leadership, Negotiation, Organizational Leadership, Teamwork, Leadership Development, Leadership and Management, Team Management, Team Building, People Development, Collaboration, Professional Development, Employee Coaching, Personal Development, Emotional Intelligence, Decision Making, Goal Setting
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Scalability, Performance Tuning, .NET Framework, C# (Programming Language), System Programming, Application Performance Management, C (Programming Language), Debugging, Data Structures, Object Oriented Programming (OOP), Software Engineering, Interoperability
Intermediate · Course · 1 - 3 Months

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Microsoft Copilot, Vibe coding, Generative AI Agents, GitHub, AI Workflows, Software Development Tools, Application Development, Artificial Intelligence, Generative AI, AI Personalization, Code Review, Responsible AI, Software Development, Front-End Web Development, Design Software, React.js, Software Engineering, Web Development, Javascript
Beginner · Course · 1 - 3 Months

Skills you'll gain: SQL, SAS (Software), Stored Procedure, Metadata Management, Data Integrity, Query Languages, Relational Databases, Data Manipulation, Data Analysis Software, Data Transformation, Data-Driven Decision-Making, Performance Tuning, Data Governance, Scripting, Debugging, Data Wrangling, Database Management, Data Analysis, Computational Logic, Data Management
Beginner · Specialization · 3 - 6 Months

The State University of New York
Skills you'll gain: Web Design, WordPress, Web Language, HTML and CSS, Browser Compatibility, Web Content, Web Development, Web Analytics and SEO, Responsive Web Design, Content Management, Web Applications
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Animations, User Interface (UI) Design, C# (Programming Language), Performance Tuning
Advanced · Course · 1 - 4 Weeks
Skills you'll gain: Model Evaluation, Decision Tree Learning, Data Preprocessing, Classification Algorithms, Applied Machine Learning, Java, Predictive Modeling, Machine Learning Software, Supervised Learning, Technical Communication, Feature Engineering, Tree Maps, MLOps (Machine Learning Operations), Machine Learning Algorithms, Machine Learning, Algorithms
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: AWS CloudFormation, Amazon CloudWatch, Version Control, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), Amazon S3, Relational Databases, Amazon Elastic Compute Cloud, MySQL, Serverless Computing, Database Management, Cloud-Native Computing, Amazon DynamoDB, Internet Of Things, DevOps, Cloud Deployment, Network Protocols, Cloud Computing Architecture, Amazon Web Services, Cloud Management
Beginner · Specialization · 3 - 6 Months