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: Threat Modeling, IT Security Architecture, Application Security, Security Testing, Security Strategy, Information Systems Security, Security Engineering, Security Controls, Software Architecture, Software Development Methodologies, Software Development Life Cycle, Business Strategies, Penetration Testing, Compliance Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), React.js, HTML and CSS, Front-End Web Development, Hypertext Markup Language (HTML), Web Development, Web Design, JavaScript Frameworks, Javascript, Restful API, UI Components, Event-Driven Programming
Beginner · Course · 3 - 6 Months

Board Infinity
Skills you'll gain: Web Components, Frontend Performance, Web Content Accessibility Guidelines, HTML and CSS, Hypertext Markup Language (HTML), Web Analytics and SEO, Front-End Web Development, Web Design and Development, Semantic Web, Web Applications, Web Development, UI Components, Web Content, Responsive Web Design
Intermediate · Course · 1 - 4 Weeks

New York University
Skills you'll gain: Research Design, Research, Experimentation, Clinical Trials, Clinical Research Ethics, Science and Research, Scientific Methods, Program Evaluation, Statistical Methods, Sample Size Determination, Public Health and Disease Prevention
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Interface (UI), Bootstrap (Front-End Framework), Blockchain, User Interface (UI) Design, Debugging, Frontend Integration, Full-Stack Web Development, Animations, Web Applications, Javascript
Advanced · Course · 1 - 3 Months

Skills you'll gain: Restful API, ASP.NET, Postman API Platform, Application Programming Interface (API), API Design, Cloud Deployment, Object-Relational Mapping, Web Development, Database Design, Authentications, API Testing, Database Development, Microsoft Visual Studio, Data Modeling, Microsoft Azure, Secure Coding, Role-Based Access Control (RBAC), Data Migration, Maintainability, Data Mapping
Intermediate · Course · 1 - 3 Months

Universitat Autònoma de Barcelona
Skills you'll gain: Talent Recruitment, Recruitment, Employee Onboarding, Talent Acquisition, Recruitment Strategies, Human Resources Management and Planning, Talent Sourcing, HR Tech, New Hire Orientations, Job Evaluation, People Analytics, Human Resources, Interviewing Skills, Process Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, Model Context Protocol, Agentic Workflows, Agentic systems, Generative AI Agents, Anthropic Claude, AI Integrations, Tool Calling, LLM Application, Generative AI, Automation, Scalability, Application Programming Interface (API), Servers, Python Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Test Automation, Test Tools, Continuous Integration, CI/CD, AI Orchestration, AI Integrations, Software Quality Assurance, Maintainability, Quality Assurance, Automation, Verification And Validation, User Interface (UI), Natural Language Processing, Scalability
Beginner · Course · 1 - 4 Weeks

Universidad Nacional Autónoma de México
Skills you'll gain: Course Development, Developing Training Materials, Syllabus Development, Curriculum Development, Education and Training, Content Development and Management, Instructional Design, Training Programs, Performance Metric, Instructional and Curriculum Design, Lesson Planning, Curriculum Planning, Key Performance Indicators (KPIs), Performance Measurement, Experience Design, Student Engagement, Interactive Learning, Goal Setting
Beginner · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: MongoDB, Redis, NoSQL, Database Management Systems, Database Systems, Databases, Data Store, Database Theory, Amazon DynamoDB, Relational Databases, Database Design, Apache Kafka, Database Management, SQL, Distributed Computing, Databricks, Big Data, Data Architecture, Data Modeling, Cloud Computing
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Network Security, Cyber Threat Hunting, Cyber Security Strategy, Threat Detection, Cybersecurity, Threat Management, Cyber Security Assessment, Operating System Administration, IT Security Architecture, Cyber Attacks, Intrusion Detection and Prevention, Cyber Engineering, Malware Protection, Vulnerability Management, Vulnerability Assessments, Incident Response, Network Monitoring, Incident Management
Beginner · Course · 1 - 4 Weeks