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.

Board Infinity
Skills you'll gain: Unit Testing, Angular, Software Testing, Frontend Performance, Software Architecture, Software Design, Application Programming Interface (API), Restful API, Performance Tuning, Authentications, Authorization (Computing), Scalability, TypeScript
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Descriptive Statistics, Financial Data, Regression Analysis, Statistical Modeling, Financial Analysis, Decision Tree Learning, Credit Risk, Predictive Modeling, Portfolio Management, Statistics, Portfolio Risk, Statistical Analysis, Statistical Methods, Model Evaluation, Supervised Learning
Intermediate · Course · 1 - 3 Months

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

Skills you'll gain: MLOps (Machine Learning Operations), API Design, CI/CD, Software Quality Assurance, Code Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Frontend Integration, Database Application, Web Applications, Web Development, Authentications, Web Design and Development, Full-Stack Web Development, Back-End Web Development, User Accounts, Data Management, Visual Basic (Programming Language), Scripting Languages, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Evaluation, MLOps (Machine Learning Operations), Data Validation, System Monitoring, Continuous Monitoring, Verification And Validation, Predictive Modeling, Performance Metric, A/B Testing, Statistical Methods, Anomaly Detection, Failure Analysis, Debugging, Applied Machine Learning, Statistical Analysis, Scikit Learn (Machine Learning Library), Benchmarking
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Advertising, Advertising Campaigns, Marketing Materials, Media and Communications, Media Strategy, Online Advertising, Electronic Media, Marketing Communications, Content Creation, Video Production, Digital Advertising, Copywriting, Social Media Campaigns, Video Editing, Social Media, Strategic Communication, Design, Business Communication, Design Thinking, Design Elements And Principles
Beginner · Course · 1 - 3 Months

Skills you'll gain: MySQL, Cloud Development, Google Cloud Platform, Cloud Computing, Back-End Web Development, Restful API, Data Persistence, Verification And Validation, Systems Architecture, Databases, Database Design, Application Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Deployment, Generative AI, AI Workflows, Generative Model Architectures, AI Personalization, Development Environment, Image Analysis, Model Evaluation, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Prompt Patterns, AI Orchestration, Salesforce Development, Salesforce, Agentic Workflows, Generative AI Agents, Workflow Management, Agentic systems, Application Lifecycle Management, Generative AI, Performance Testing, Enterprise Architecture, Business Logic, Data Integration, Data Architecture, Model Evaluation, Automation, Data Security
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Information Architecture, Cross-Functional Collaboration, Auditing, Organizational Structure, Employee Onboarding, Content Management Systems, Project Documentation, Document Management, Technical Documentation, Organizational Skills, Document Control, Content Management, Governance, Content Development and Management, Technical Writing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Postman API Platform, Continuous Delivery, Web Services, API Design, Business Logic, Application Programming Interface (API), CI/CD, Software Testing, Test Execution Engine, Restful API, Interactive Data Visualization, Test Case, Server Side, Application Development, Web Applications, Automation, Debugging, Data Modeling, Software Installation
Beginner · Specialization · 1 - 3 Months