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.
Duke University
Skills you'll gain: Materials science, Prototyping, Engineering, Scientific, and Technical Instruments, Laboratory Techniques, Chemistry, Manufacturing Processes, Micrometer, Image Analysis, Chemical Engineering
Mixed · Course · 1 - 3 Months

Skills you'll gain: AWS Identity and Access Management (IAM), Amazon Web Services, Identity and Access Management, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Cloud Computing, Network Security, Virtual Networking, Network Architecture, Cloud Infrastructure, Authentications, Virtual Private Networks (VPN), Multi-Factor Authentication, Cloud Security, Load Balancing, Containerization, Scalability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, NoSQL, Object-Relational Mapping, Application Programming Interface (API), Database Design, Relational Databases, Unit Testing, SQL, Databases, Data Persistence, Server Side, Application Deployment, Javascript, Software Documentation, Data Modeling
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: OSI Models, Network Security, Network Protocols, Network Performance Management, Network Architecture, Network Monitoring, Role-Based Access Control (RBAC), Network Troubleshooting, Network Administration, Computer Networking, TCP/IP, Network Planning And Design, Cybersecurity, Routing Protocols, Firewall, Network Routing, Network Analysis, IT Infrastructure, Cloud Computing, Automation
Beginner · 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

LearnKartS
Skills you'll gain: AI Enablement, E-Commerce, Digital Transformation, Email Marketing, Search Engine Optimization
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Distributed Computing, Dataflow, Java Programming, Java, Software Architecture, Systems Architecture, Scala Programming, Data Structures, System Programming, Programming Principles, Servers, Application Frameworks, Debugging, Algorithms, Performance Tuning, Functional Design, Performance Testing
Intermediate · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Google Cloud Platform, Cloud Infrastructure, Load Balancing, Prompt Engineering, Kubernetes, Network Monitoring, Containerization, Virtual Networking, Network Architecture, Network Security, Cloud Storage, Cloud Services, Identity and Access Management, Application Deployment, Virtual Machines, Network Routing, Network Planning And Design, Virtual Private Networks (VPN), Hybrid Cloud Computing
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Salesforce, Salesforce Development, Marketing Automation, User Experience, Content Management, UI Components, Authentications, Cloud Development, Customer Service, Customer Communications Management, Cloud Management, Process Mapping, Cloud Services, Encryption, Business Strategy
Beginner · Course · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Business Writing, Business Correspondence, Business Communication, Writing, Organizational Skills, Concision, Writing and Editing, Proofreading, Grammar, Communication, Editing, Organizational Strategy, Persuasive Communication, Verbal Communication Skills, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Security Strategy, Security Requirements Analysis, Identity and Access Management, Security Awareness, Information Technology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, OpenAI API, Retrieval-Augmented Generation, OpenAI, Generative AI Agents, Embeddings, ChatGPT, Agentic systems, Vector Databases, Generative AI, Artificial Intelligence, Context Management, Model Evaluation, Application Programming Interface (API), Python Programming, Application Deployment
Intermediate · Course · 1 - 4 Weeks