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: LangGraph, AI Orchestration, LangChain, LLM Application, Agentic Workflows, Generative AI Agents, MLOps (Machine Learning Operations), Context Management, Distributed Computing, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Reliability, Software Systems, Performance Tuning, Embedded Software, Control Systems, Hardware Architecture, Systems Architecture, Software Design, Debugging, Software Architecture, Verification And Validation, Hardware Design, System Design and Implementation, Linux, System Programming, Code Review, Systems Engineering, Real Time Data
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Duke University
Skills you'll gain: Responsible AI, Data Ethics, Human Computer Interaction, User Experience Design, Human Centered Design, Human Factors, AI Product Strategy, Personally Identifiable Information, Information Privacy, General Data Protection Regulation (GDPR), Artificial Intelligence, Design Thinking, Machine Learning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, TCP/IP, Network Security, Network Protocols, Endpoint Detection and Response, Network Routing, Cybersecurity, Local Area Networks, Dynamic Host Configuration Protocol (DHCP), Firewall, General Networking, Information Systems Security, Intrusion Detection and Prevention, Endpoint Security, Network Infrastructure, Network Planning And Design, Wireless Networks, Security Information and Event Management (SIEM), Network Analysis, Data Loss Prevention
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Azure Synapse Analytics, Performance Tuning, Microsoft Azure, System Monitoring, Data Engineering, Transact-SQL, Star Schema, Power BI, PySpark, Data Cleansing, Data Analysis Expressions (DAX), Apache Spark, Data Warehousing, Analytics, Data Modeling, Data Analysis, SQL, Azure Active Directory, Advanced Analytics, Microsoft Copilot
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Clinical Leadership, Nursing Practices, Continuous Quality Improvement (CQI), Healthcare Project Management, Initiative and Leadership, Creative Problem-Solving, Collaboration, Overcoming Obstacles, Empowerment, Communication Strategies
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Architectural Design, Sustainable Development, Building Codes, Community Development, Land Development, Sustainable Architecture, Building Design, Sustainable Design, Sustainable Technologies, Construction, Climate Change Mitigation, Disabilities, Traffic Flow Optimization, Environmental Policy, Environmental Engineering, Policy Analysis, Case Studies
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Generative AI, Google Workspace, AI Enablement, Google Cloud Platform, Gemini, Tool Calling, AI Security, AI Product Strategy, AI Orchestration, Productivity Software, LLM Application, AI Workflows, Cloud Computing, Artificial Intelligence, Collaboration
Beginner · Specialization · 3 - 6 Months

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Computer Programming, Pseudocode, Algorithms, Computer Science, Formal Learning, Software Engineering, Program Development, Data Science, Analysis, Debugging, Technical Analysis
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Automation, Marketing Planning, Marketing Analytics, Competitive Analysis, Prompt Engineering, Email Automation, Search Engine Optimization, Generative AI, Key Performance Indicators (KPIs), AI Personalization, Lead Generation, A/B Testing, Content Creation, Web Analytics, Performance Measurement, Data Visualization, Customer Insights, Data-Driven Decision-Making, Digital Marketing, Content Strategy
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Test Case, Test Automation, Test Data, Functional Testing, Test Execution Engine, CI/CD, System Testing, Software Testing, No-Code Development, Debugging
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Session Initiation Protocols, System Configuration, Collaborative Software, Configuration Management, Network Administration, Telecommunications, Communication Systems, Systems Integration, Scalability, Digital Communications
Beginner · Course · 1 - 3 Months