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: Email Marketing, Paid media, Target Audience, Data Storytelling, Social Media Marketing, Social Media Strategy, Content Creation, Search Engine Optimization, Marketing Budgets, Order Fulfillment, Media Planning, Search Engine Marketing, Google Ads, Social Media Management, Customer Retention, Customer Relationship Management, E-Commerce, Performance marketing, Marketing, Campaign Management
Beginner · Professional Certificate · 3 - 6 Months

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: Variance Analysis, Dashboard, Key Performance Indicators (KPIs), Power BI, Performance Analysis, Performance Measurement, Web Analytics and SEO, Performance Reporting, Google Analytics, Performance Metric, Business Metrics, Analysis, Statistical Analysis, Business Intelligence, Trend Analysis, AI Enablement, Search Engine Optimization, Management Reporting, Data-Driven Decision-Making, Data Integration
Beginner · 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

Skills you'll gain: Internet Of Things, TCP/IP, Network Protocols, Telecommunications, General Networking, PIC Microcontrollers, Communication Systems, Wireless Networks, Cloud Services, Electrical Wiring, Cloud Storage, Microarchitecture, Field-Programmable Gate Array (FPGA), Restful API, Cloud Solutions, Electrical Equipment, Basic Electrical Systems, Power Electronics, Electrical Power, Electric Power Systems
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Sarbanes Oxley Act (SOX) Compliance, Specialized Accounting, Regulatory Requirements, Financial Regulations, Technical Accounting, Financial Reporting, Financial Statement Analysis, Financial Auditing, Securities (Finance), Investment Management, Financial Analysis, Business Risk Management, Asset Management, Organizational Structure, Consolidation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generative Model Architectures, Generative AI, AI Product Strategy, Large Language Modeling, Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Business Strategy, Data Strategy, Data Ethics, Artificial Neural Networks, Process Improvement, Process Improvement and Optimization, Cloud Computing, Operational Efficiency, Process Optimization, Big Data, Customer Service, Natural Language Processing, User Experience, Marketing
Mixed · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, LangChain, Retrieval-Augmented Generation, LLM Application, Generative AI, Vector Databases, AI Workflows, Embeddings, User Interface (UI), UI Components, Application Development, Semantic Web, Database Systems, Model Evaluation, Databases, Data Storage Technologies, NoSQL, AI Enablement, Large Language Modeling, Flask (Web Framework)
Intermediate · Specialization · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Operations Management, Operational Efficiency, Process Analysis, Process Management, Process Improvement, Lean Methodologies, Workflow Management, Continuous Improvement Process, Capacity Planning, Quality Management, Supply Chain Management, Inventory Management System, Statistical Process Controls, Process Flow Diagrams, Root Cause Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Crisis Management, Delegation Skills, Resilience, Dealing With Ambiguity, Leadership and Management, Leadership, Empathy, Decision Making, Business Leadership, Composure, Resourcefulness, Emotional Intelligence, Adaptability, Communication Strategies
Intermediate · Course · 1 - 4 Weeks

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

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Embedded Systems, Reliability, Software Systems, Performance Tuning, Embedded Software, Control Systems, Hardware Architecture, Systems Architecture, Software Design, Debugging, Software Architecture, Verification And Validation, Hardware Design, System Design and Implementation, Linux, System Programming, Code Review, Systems Engineering, Real Time Data
Build toward a degree
Intermediate · Specialization · 3 - 6 Months