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.

University of Colorado Boulder
Skills you'll gain: Image Analysis, Tensorflow, Computer Vision, Convolutional Neural Networks, Applied Machine Learning, Deep Learning, Machine Learning, Artificial Neural Networks, Performance Tuning, Data Preprocessing, Model Evaluation, Feature Engineering, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Application Development, Integrated Development Environments, Development Environment, Web Development, Application Security, Programming Principles, Development Testing, Transaction Processing, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Ajax, jQuery, JSON, Debugging, JavaScript Frameworks, Application Programming Interface (API), Web Applications, Javascript, Game Design, HTML and CSS, User Interface (UI) Design
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: Kubernetes, Image Analysis, Application Deployment, Containerization, Google Cloud Platform, Cloud Applications, Cloud API, Computer Vision, Web Applications
Intermediate · Project · Less Than 2 Hours

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

Northeastern University
Skills you'll gain: Data Warehousing, Data Modeling, Database Design, SQL, Star Schema, Business Intelligence, Databases, Relational Databases, Database Architecture and Administration, Data Mart, Data Integrity, Data Analysis, Snowflake Schema, Data Transformation
Mixed · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Systems Analysis, Predictive Modeling, Social Determinants Of Health
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Social Media Content, Social Media, Social Media Marketing, Social Media Management, Content Creation, Instagram, Scheduling, Facebook, Content Management, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Board Infinity
Skills you'll gain: Ansible, Scalability, Debugging, Scripting, Infrastructure as Code (IaC), Verification And Validation, Devops Tools, Automation, YAML, Maintainability, Configuration Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Microsoft Word, Business Writing, Microsoft Office, Document Management, Photo Editing, Writing and Editing, Multimedia, Entrepreneurship, Productivity Software, Office Administration, Graphic Design
Beginner · Guided Project · Less Than 2 Hours

KodeKloud
Skills you'll gain: Cloud Engineering, Site Reliability Engineering, Amazon Elastic Compute Cloud, Amazon CloudWatch, Cloud-Native Computing, Kubernetes, Continuous Delivery, AWS Identity and Access Management (IAM), Infrastructure as Code (IaC), System Monitoring, Serverless Computing, Performance Testing, Scenario Testing
Beginner · Course · 1 - 3 Months