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: Software Development Methodologies, Development Environment, Software Development, Application Programming Interface (API), Version Control, Software Design Patterns, JSON, Maintainability, Network Engineering, Software Development Tools, API Testing, Restful API, Data Import/Export, Git (Version Control System), Virtualization and Virtual Machines, Computer Programming Tools, Devops Tools, Extensible Languages and XML, YAML, Extensible Markup Language (XML)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Tool Calling, OAuth, Model Context Protocol, AI Orchestration, AI Integrations, Generative AI Agents, Interoperability, Agentic Workflows, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Software Design Patterns, Authorization (Computing)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Dashboard, Dashboard Creation, Data Presentation, Power BI, Data Literacy, Strategic Decision-Making, Interactive Data Visualization, Tableau Software, Storytelling, Data-Driven Decision-Making, Executive Presence, User Feedback, Data Visualization, Data Visualization Software, Presentations, Constructive Feedback, Analytics, Customer Insights, Data Structures
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Loss Prevention, Fraud detection, Asset Protection, Financial Controls, Regulatory Documents, Auditing, Payment Processing and Collection, Accounting, Internal Controls, Transaction Processing, Compliance Auditing, Authorization (Computing), Payment Processing, Verification And Validation, Document Control
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Initiative and Leadership, Leadership, Innovation, Compassion, Professionalism, Personal Integrity, Empathy, Collaboration, Creativity, Strong Work Ethic, Lifelong Learning, Relationship Building
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Canva (Software), Design, Graphic Design, Graphic and Visual Design Software, Photo Editing, Content Creation, Multimedia, Data Import/Export, Content Marketing, Continuous Integration
Beginner · Guided Project · Less Than 2 Hours
Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Wireless Networks, Wide Area Networks, TCP/IP, Network Routing, Network Infrastructure, Performance Tuning, Network Troubleshooting, Routing Protocols, Network Planning And Design, Network Switches, Network Routers, Software-Defined Data Center (SDDC), Local Area Networks, Software-Defined Networking, Computer Networking, Network Protocols, Network Analysis, IT Infrastructure, Configuration Management
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Open Shortest Path First (OSPF), Network Support
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, LLM Application, Large Language Modeling, Fine-tuning, LangChain, Model Optimization, Hugging Face, Technical Management, Analysis, Design
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Facebook, Social Media Content, Meta Ads Manager, Advertising, Content Creation, Online Advertising, Resource Management, Social Media Management, Content Development and Management, Advertising Campaigns, Social Media, Campaign Management, Marketing, Social Media Marketing, Role-Based Access Control (RBAC), Digital Marketing Tools, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Amazon S3, Security Assertion Markup Language (SAML), Authorization (Computing), Role-Based Access Control (RBAC), User Provisioning, Authentications, Cloud Storage, User Accounts, Multi-Factor Authentication, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Penetration Testing, Security Testing, Application Security, Event Monitoring, Exploit development, Cyber Security Assessment, Payment Systems, Continuous Monitoring, Blockchain, Incident Response, Vulnerability Scanning, Patch Management, Code Review, Incident Management, Development Testing, Authorization (Computing), Data Validation
Intermediate · Course · 1 - 4 Weeks