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

Skills you'll gain: Variance Analysis, Financial Analysis, Financial Data, Financial Acumen, Analysis, Auditing, Financial Statements, Reconciliation, Business Communication, Business Analysis, Accounting, Financial Auditing, Accounting Records, Budgeting, Verification And Validation, Investigation, Business Strategy
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Unity Engine, C# (Programming Language), Android (Operating System), Mobile Development, Scripting, Video Game Development, Game Design, Animation and Game Design, Application Development, User Interface (UI)
Advanced · Course · 1 - 3 Months
Skills you'll gain: AI Security, Threat Modeling, MITRE ATT&CK Framework, Security Controls, Responsible AI, MLOps (Machine Learning Operations), Secure Coding, Security Testing, Cybersecurity, Model Deployment, Data Security, Threat Detection, Artificial Intelligence and Machine Learning (AI/ML), Vulnerability Assessments, Application Lifecycle Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Real Time Data, Kibana, Query Languages, Data Modeling, Distributed Computing, SQL, NoSQL, Scalability, JSON, Performance Tuning, Text Mining, System Configuration, Geospatial Information and Technology
Mixed · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Gemini, Image Analysis, LLM Application, Multimodal Prompts, Large Language Modeling, Text Mining, Google Cloud Platform, Computer Vision, Data Processing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Server Side, Restful API, Ajax, Full-Stack Web Development, API Design, Node.JS, Postman API Platform, Web Applications, Application Programming Interface (API), Back-End Web Development, Web Servers, Web Development Tools, API Testing, Web Development, Javascript, Front-End Web Development, JSON, Middleware
Advanced · Course · 1 - 3 Months

University of Lausanne
Skills you'll gain: Health Policy, Public Health, Health Systems, Geographic Information Systems, Systems Thinking, Community Health, Spatial Analysis, Social Determinants Of Health, Sustainable Development, Environmental Issue, Data Collection, Machine Learning
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Multiprotocol Label Switching, Virtual Private Networks (VPN), Routing Protocols, Border Gateway Protocol, Open Shortest Path First (OSPF), Network Troubleshooting, Network Routers, Wide Area Networks, Network Routing, Network Monitoring, Command-Line Interface
Beginner · Course · 1 - 3 Months

Skills you'll gain: Capacity Management, Feasibility Studies, Project Planning, Project Scoping, Project Risk Management, Agile Methodology, Regulatory Compliance
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Google Cloud Platform, Network Performance Management, Network Planning And Design, Cloud Computing, Virtual Machines, Network Routing, Load Balancing
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Computer Hardware, Hardware Architecture, Peripheral Devices, Networking Hardware, USB, Desktop Support, Computer Networking, Computer Architecture, Data Storage Technologies, Electrical Safety
Intermediate · Course · 1 - 4 Weeks