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.

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: Test Automation, Test Data, Test Tools, Maintainability, Test Case, Business Process Automation, Test Execution Engine, Enterprise Application Management, Automation, Case Studies, Business Reporting, User Acceptance Testing (UAT), No-Code Development, Business Process, SAP Applications, Process Validation, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Growth Mindedness, Peer Review, Personal Attributes, Self-Awareness, Brainstorming, Prioritization
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Recurrent Neural Networks (RNNs), Artificial Intelligence and Machine Learning (AI/ML), Vision Transformer (ViT), PyTorch (Machine Learning Library), Keras (Neural Network Library), Large Language Modeling, Natural Language Processing, Embeddings, Network Model, Network Architecture
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Search Engine Optimization, Keyword Research, Web Analytics and SEO, Digital Marketing, Content Strategy, Web Analytics, Marketing, AI Personalization, User Research, Competitive Analysis, Social Media, User Experience
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Accounts Payable and Receivable, Accounting and Finance Software, Financial Data, Make.com, Financial Forecasting, Financial Management, Credit Risk, Generative AI, Financial Controls, Financial Analysis, Finance, Billing & Invoicing, Financial Auditing, Artificial Intelligence, ChatGPT, Accounting, Tax Compliance, Tax Management, Automation, No-Code Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Overcoming Objections, Consultative Selling, Coaching, Sales Strategy, Sales Training, Sales Prospecting, Collaboration, Consumer Behaviour, Diversity Awareness, Cultural Sensitivity, Upselling, Customer Relationship Management, Virtual Teams, Sales Presentation, Sales Pipelines, Negotiation, Business Communication, Communication Strategies, Virtual Networking, Interpersonal Communications
Beginner · Specialization · 1 - 3 Months

Scrimba
Skills you'll gain: Model Context Protocol, Prompt Engineering, Retrieval-Augmented Generation, LangChain, OpenAI API, Embeddings, Image Analysis, Responsible AI, AI Workflows, LLM Application, Cloud Deployment, Cloud Applications, Multimodal Prompts, Hugging Face, Generative AI, Application Deployment, OpenAI, API Gateway, Vector Databases, Software Engineering
Intermediate · Specialization · 3 - 6 Months
University of Alberta
Skills you'll gain: Agile Methodology, Kanban Principles, Agile Software Development, Software Development Methodologies, Software Development Life Cycle, Scrum (Software Development), Software Engineering, Process Driven Development
Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Governance Risk Management and Compliance, Compliance Management, Responsible AI, Risk Control, Risk Management, AI Security, Model Evaluation, Risk Mitigation, Governance, Compliance Auditing, Risk Analysis, Regulatory Requirements, Process Validation, Gap Analysis, Verification And Validation, Data Validation, Auditing, Key Performance Indicators (KPIs)
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: AI Security, Open Web Application Security Project (OWASP), Vulnerability Assessments, Vulnerability Management, Application Security, Security Controls, Security Testing, Authentications, Threat Management, Dependency Analysis, Application Programming Interface (API), API Design, Risk Analysis, Data Validation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, System Monitoring, CrewAI, Agentic Workflows, Continuous Monitoring, Agentic systems, Enterprise Application Management, Event Monitoring, Artificial Intelligence and Machine Learning (AI/ML), Site Reliability Engineering, AI Enablement, Model Deployment, Generative AI Agents, Generative Model Architectures, AI Security, Systems Architecture, Software Architecture, Application Deployment, Middleware
Intermediate · Course · 1 - 4 Weeks