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.

Skills you'll gain: IT Security Architecture, Systems Development Life Cycle, Security Controls, Software Testing, Security Management, Software Development, Cybersecurity, Data Security, Continuous Monitoring, Risk Management Framework, Authorization (Computing), Identity and Access Management
Beginner · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Angular, JavaScript Frameworks, Unit Testing, Ajax, Cloud Applications, Web Applications, Web Components, Front-End Web Development, Web Development, Javascript, Model View Controller, Software Architecture, Hypertext Markup Language (HTML), UI Components, Software Design Patterns
Intermediate · Course · 1 - 3 Months

Skills you'll gain: OAuth, Microservices, Spring Boot, Containerization, Apache Kafka, Software Testing, Data Store, Docker (Software), Kubernetes, Unit Testing, Authentications, Integration Testing, Software Architecture, Security Testing, Event-Driven Programming, Restful API, Software Design Patterns, Java Programming, Role-Based Access Control (RBAC), Java
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: AI Orchestration, AI Workflows, LLM Application, Agentic systems, Tool Calling, LangChain, Artificial Intelligence, Prompt Engineering, Model Evaluation, Context Management, Scenario Testing, Performance Testing, Development Testing, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Browser Compatibility, Performance Testing, Security Testing, Integration Testing, System Testing, API Testing, Development Environment, Software Testing, User Acceptance Testing (UAT), Acceptance Testing, Test Tools, Application Security, Test Automation, Responsive Web Design, Vulnerability Scanning, Web Applications, Docker (Software), User Interface (UI), Python Programming
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Writing, Storytelling, Editing, Detail Oriented, Resourcefulness, Decision Making, Creativity, Communication Strategies, Professionalism, Time Management
Beginner · Course · 1 - 4 Weeks

University of Toronto
Skills you'll gain: ArcGIS, Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, GIS Software, Data Mapping, Geospatial Information and Technology, Data Visualization, Metadata Management, Query Languages, Global Positioning Systems, Quantitative Research, Data Compilation, Typography, Data Manipulation, Data Storytelling, Data Modeling, Design Elements And Principles, Image Analysis
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Microsoft PowerPoint, Presentations, Microsoft Office, Animations, Spreadsheet Software, Multimedia, Data Visualization, Productivity Software, Developing Training Materials, Oral Expression, Security Controls, Graphic and Visual Design, User Interface (UI), Graphics Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Jenkins, Kubernetes, Docker (Software), Devops Tools, DevOps, Continuous Integration, Containerization, Application Deployment, Cloud Deployment, GitHub, Version Control, System Configuration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Compliance Auditing, Auditing, Financial Auditing, Audit Working Papers, Corrective and Preventive Action (CAPA), Process Improvement, Internal Controls, Internal Auditing, Verification And Validation, Financial Controls, Financial Analysis, Financial Statement Analysis, Document Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Acceptance Testing (UAT), Product Requirements, LLM Application, User Requirements Documents, Acceptance Testing, AI Product Strategy, Large Language Modeling, User Story, Functional Requirement, Functional Testing, Business Requirements, Scenario Testing, Requirements Analysis, Risk Management Framework, Key Performance Indicators (KPIs), Technical Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Application Security, Open Web Application Security Project (OWASP), Secure Coding, Authentications, OAuth, Development Testing, Software Development Life Cycle, Unified Modeling Language, Authorization (Computing), Single Sign-On (SSO), Security Software, Software Development, Vulnerability Assessments, Data Validation, Cyber Security Assessment, Cyber Security Strategy, Cybersecurity, Role-Based Access Control (RBAC)
Intermediate · Course · 3 - 6 Months