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: Ajax, JSON, Javascript, Application Programming Interface (API), Web Applications, Secure Coding, Application Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Program Development, Mockups, Test Script Development, Development Testing, Software Testing, Test Case
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Rust (Programming Language), ChatGPT, Authentications, Generative AI Agents, Back-End Web Development, Web Servers, OpenAI API, AI Orchestration, Web Frameworks, Databases, Server Side, Web Applications, Agentic Workflows, AI Integrations, Command-Line Interface, AI Workflows, Package and Software Management, Agentic systems, Memory Management, Development Environment
Intermediate · Specialization · 1 - 3 Months

Skillshare
Skills you'll gain: 3D Modeling, 3D Assets, Color Theory, Computer Graphics, Post-Production, Visualization (Computer Graphics), Computer Graphic Techniques, Visual Storytelling, Design Software, Graphical Tools, Model Optimization, Data Import/Export, Image Quality, User Interface (UI), Animation and Game Design, Creative Design, Creativity
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Solution Architecture, Network Planning And Design, Cloud Computing Architecture, Enterprise Architecture, Amazon Web Services, Service Oriented Architecture, Software As A Service, Application Security, Cloud Solutions, Security Architecture Review, Identity and Access Management, Security Engineering, Application Design, Cloud Deployment, Network Performance Management, Network Infrastructure, Network Engineering, Enterprise Application Management, AWS Identity and Access Management (IAM), Data Migration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Responsible AI, AWS Identity and Access Management (IAM), Identity and Access Management, AI Security, Amazon Web Services, Data Ethics, Generative AI, AWS SageMaker, Cloud Security, Risking, AI literacy, MLOps (Machine Learning Operations), Data Security, Role-Based Access Control (RBAC), Data Governance, Governance, Artificial Intelligence, Encryption, Public Cloud
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: R (Software), R Programming, Statistical Hypothesis Testing, Plot (Graphics), Ggplot2, Data Visualization, Data Manipulation, Exploratory Data Analysis, Statistical Programming, Statistical Visualization, Data Science, Tidyverse (R Package), Statistical Methods, Statistical Modeling, Data Analysis, Data-oriented programming, Regression Analysis, Data Structures, Data Wrangling, Statistical Analysis
Intermediate · Course · 1 - 3 Months

Northeastern University
Skills you'll gain: Strategic Decision-Making, Strategic Planning, Decision Making, Strategic Thinking, Strategic Leadership, Organizational Strategy, Corporate Strategy, Business Strategy, Plan Execution, Organizational Structure, Performance Management, Health Care Administration, Business Management, Strategic Partnership, Health Administration, Leadership, Organizational Development, Mergers & Acquisitions, Analysis, Competitive Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Application, Database Software, Database Management, Interactive Data Visualization, Databases, Database Design, Relational Databases, Database Management Systems
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Descriptive Statistics, A/B Testing, Classification And Regression Tree (CART), Dashboard, Dashboard Creation, Model Evaluation, Model Deployment, Data-Driven Decision-Making, Risk Analysis, Histogram, Statistical Inference, Descriptive Analytics, Simulations, Predictive Modeling, Regression Analysis, Data Visualization, MLOps (Machine Learning Operations), Decision Making, Decision Tree Learning, Keras (Neural Network Library)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Database Systems, Database Management Systems, Database Theory, Database Design, Databases, Data Storage Technologies, Anomaly Detection, Algorithms
Intermediate · Course · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Claude Code, Software Architecture, Anthropic Claude, Systems Architecture, Software Development Tools, Continuous Integration, Software Design Patterns, Code Coverage, Code Review, AI Workflows, Agentic Workflows, Software Technical Review, Command-Line Interface, Prompt Engineering, Context Management, Prompt Patterns, YAML, Rust (Programming Language), Software Installation, Unix Commands
Intermediate · Course · 1 - 3 Months