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: Apache Spark, PySpark, Performance Tuning, Data Pipelines, Data Processing, Systems Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft SQL Servers, SQL, Relational Databases, Database Management, Database Design, Transact-SQL, Database Systems, Server Administration, Query Languages, Databases, Database Administration, Database Architecture and Administration, Data-Driven Decision-Making, Data Integrity, Database Management Systems, Servers, Data Manipulation, Data Processing, Scripting Languages, System Requirements
Beginner · Specialization · 3 - 6 Months

University of California, Davis
Skills you'll gain: Responsive Web Design, Color Theory, Version Control, Typography, HTML and CSS, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), GitHub, Git (Version Control System), Web Design, Web Design and Development, Web Development, Web Content Accessibility Guidelines, Front-End Web Development, Image Quality, Web Applications, Animations, Web Content, Mobile Development, User Interface (UI) Design
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Risk Mitigation, Decision Making, Mitigation, Data-Driven Decision-Making, Business Analytics, Analytical Skills, Business Analysis, Analysis, Critical Thinking, Case Studies, Strategic Decision-Making, Continuous Improvement Process
Intermediate · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Cloud Computing, Cloud Services, Cloud Computing Architecture, Cloud Infrastructure, Virtualization, Cloud Platforms, Virtual Machines, Data Infrastructure, Scalability, NoSQL, Cloud Storage, Database Design, Database Management, Data Warehousing, MongoDB, MySQL, SQL, Application Programming Interface (API), Python Programming, Git (Version Control System)
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Deep Learning, MLOps (Machine Learning Operations), Responsible AI, Model Evaluation, Data Ethics, Data Management, Project Management Life Cycle, Unsupervised Learning, Human Computer Interaction, User Experience Design, Classification And Regression Tree (CART), Data Quality, Model Deployment, Data Preprocessing, Human Centered Design, Machine Learning, Project Management, Product Management, Product Design, Data Science
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: React Redux, React Native, React.js, Application Development, Scalability, Data Validation, UI Components, Web Applications, Mobile Development, Data Persistence, Business Logic, Application Design, Front-End Web Development, Software Design, Authentications, User Interface (UI), User Experience Design, User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Node.JS
Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Project Management Software, Project Management, User Feedback, Workflow Management, Project Documentation, Standard Operating Procedure, Process Improvement, Operational Efficiency, Continuous Improvement Process
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Billing Systems, Registration, Invoicing, Restaurant Management, Microsoft Visual Studio, Security Testing, Point of Sale, Order Management, Scalability
Beginner · Course · 1 - 3 Months

University of California, Santa Cruz
Skills you'll gain: C++ (Programming Language), Go (Programming Language), File I/O, Data Structures, Object Oriented Programming (OOP), Software Design Patterns, Debugging, Computer Programming, Unit Testing, Programming Principles, Algorithms, C (Programming Language), Program Development, Integrated Development Environments, Graph Theory, Software Testing, Artificial Intelligence, Integration Testing, Software Design, System Design and Implementation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Computer Hardware, System Configuration, Cloud Applications, Data Pipelines, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Visualization (Computer Graphics), 3D Assets, Computer Graphics, Design Software
Beginner · Course · 1 - 4 Weeks