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.

Illinois Tech
Skills you'll gain: NoSQL, Big Data, Apache Hadoop, Apache Spark, Data Infrastructure, Real Time Data, Apache Kafka, Data Management, Apache Cassandra, Apache Hive, Data Lakes, MongoDB, Databases, Data Ethics, Distributed Computing, Data Processing, Informatics, Cloud Computing, Software Design Patterns, Data Storage
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Test Automation, Test Data, Test Case, Test Script Development, Test Execution Engine, Regression Testing, Integration Testing, Java, Performance Testing, Automation
Intermediate · Course · 3 - 6 Months
Universitat Autònoma de Barcelona
Skills you'll gain: Research Design, Experimentation, Research Reports, Research, Scientific Methods, Design Research, Usability Testing, Research Methodologies, UI/UX Research, Report Writing, Data Analysis, Data Ethics, User Research, Usability, Data Collection, Psychology
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Engineering Management, Project Risk Management, Innovation, Risk Management, Project Management, Project Design, Project Management Life Cycle, Cost Management, Creativity, Planning, Organizational Structure, Project Planning, Creative Thinking, Budgeting, Work Breakdown Structure, Leadership and Management, Organizational Strategy, Agile Methodology, Resource Allocation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Structures, Scripting, Python Programming, Programming Principles, Development Environment, Virtual Environment
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Distributed Computing, Scalability, Performance Tuning, C++ (Programming Language), System Programming, Computer Architecture, Cross Platform Development, Hardware Architecture, Application Development, Algorithms, C (Programming Language), Development Environment
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft SQL Servers, SQL, Query Languages, Transaction Processing, Database Management, Data Manipulation, Relational Databases, Databases, Database Design, Database Software, Data Management, Data Integrity, Performance Tuning
Mixed · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Applied Machine Learning, Machine Learning, AI Enablement, MLOps (Machine Learning Operations), Technology Roadmaps, Data-Driven Decision-Making, Artificial Intelligence and Machine Learning (AI/ML), Business Analytics, Business Solutions, Organizational Strategy, AI Product Strategy, Organizational Change, Product Roadmaps, Feasibility Studies, System Requirements, Solution Design, Training Programs
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Game Design, Video Game Development, User Interface (UI), Unity Engine, Android Development, C# (Programming Language), Animations, Scripting, Debugging
Intermediate · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Culture Transformation, Innovation, Organizational Change, Business Transformation, Strategic Leadership, Strategic Planning, Business Communication, Change Management, Organizational Leadership, Organizational Structure, Business Planning, Competitive Analysis, Business Writing, Leadership, Business Analysis, Business Strategy, Presentations, Financial Analysis, Project Planning, Financial Planning
Build toward a degree
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Blockchain, Interoperability, Network Architecture, Systems Architecture, Data Architecture, Solution Architecture, Information Technology Architecture, Enterprise Architecture, Authentications, Cryptography, Identity and Access Management, Emerging Technologies, Encryption, Threat Modeling, Enterprise Security, Scalability, Security Testing, Requirements Analysis, Prototyping
Intermediate · Course · 1 - 3 Months

Skills you'll gain: SQL, Database Management, Query Languages, Relational Databases, Database Design, Data Analysis, Data Integrity, Data Manipulation, User Accounts
Intermediate · Course · 1 - 4 Weeks