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: 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

Coursera
Skills you'll gain: Brand Awareness, Brand Management, Canva (Software), Brand Strategy, Branding, Brand Marketing, Logo Design, Social Media, Social Media Strategy, Social Media Campaigns, Social Media Marketing, Target Audience, Style Guides, AI Personalization, Email Marketing, Data Presentation, Digital Marketing, Generative AI, Marketing Analytics, Content Creation
Intermediate · Specialization · 3 - 6 Months
University of Manchester
Skills you'll gain: Chemical Engineering, Oil and Gas, Environmental Engineering, Process Engineering, Materials science, Engineering, Engineering Design Process, Failure Analysis, Industrial Design, Engineering Calculations, Chemistry, Environmental Issue, Laboratory Testing
Intermediate · Course · 1 - 4 Weeks

AI CERTs
Skills you'll gain: Responsible AI, Tensorflow, Data Ethics, PyTorch (Machine Learning Library), Internet Of Things, Real Time Data, Artificial Intelligence and Machine Learning (AI/ML), Telecommunications, Artificial Intelligence, Emerging Technologies, Generative AI, Wireless Networks, Generative AI Agents, Network Performance Management, Network Architecture, Digital Communications, Network Protocols, Computer Networking, System Design and Implementation, Communication
Advanced · Specialization · 1 - 3 Months
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Strategy, Strategic Decision-Making, Governance, Financial Services, Financial Regulation, Ledgers (Accounting), Work Breakdown Structure, Project Implementation, Business Modeling, Banking Services, Financial Systems, Project Design, Solution Design, Cryptography, Design, Emerging Technologies, Payment Systems
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Customer Relationship Management (CRM) Software, Relationship Building, Consultative Approaches, Solution Selling, Customer Insights
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Architecture, Microsoft Azure, Data Lakes, Enterprise Architecture, Data Warehousing, Data Integration, Virtualization, Cloud Storage, Data Transformation, Data Governance, Real Time Data, Scalability
Intermediate · Course · 1 - 3 Months

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Network Protocols, Encryption, Data Structures, Distributed Computing, FinTech, Data Integrity, Emerging Technologies, Virtual Machines, Data Validation, Algorithms, Verification And Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Lifecycle Management, Azure DevOps, CI/CD, Continuous Delivery, Continuous Integration, DevOps, Data Validation, Data Governance, Data Quality, Test Automation, Extract, Transform, Load, Data Pipelines, Scalability, SQL
Advanced · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Campaign Management, LinkedIn, Social Media Campaigns, Content Creation, Facebook, Social Media, Social Media Marketing, Target Audience, Social Media Content, Online Advertising, Performance marketing, Advertising, Pinterest, Advertising Campaigns, Social Media Strategy, Paid media, Instagram, Branding, Social Media Management, Digital Advertising
Beginner · Specialization · 3 - 6 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Blogs, Web Analytics and SEO, Content Strategy, Digital Marketing, Brand Awareness
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Infrastructure Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Risk, Cyber Attacks, Mobile Security, Vulnerability, Vulnerability Scanning, Cloud Services, Web Applications, Cloud Platforms
Mixed · Course · 1 - 4 Weeks