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.

Board Infinity
Skills you'll gain: Google Analytics, Data Storytelling, Data Presentation, Financial Forecasting, Looker (Software), Data-Driven Marketing, Marketing Analytics, Data Literacy, Cross-Channel Marketing, Marketing Budgets, Web Analytics, Data Validation, Stakeholder Engagement, Data-Driven Decision-Making, Google Ads, Dashboard Creation, Revenue Forecasting, Marketing Automation, Predictive Analytics, Digital Marketing
Beginner · Specialization · 1 - 3 Months

Pragmatic AI Labs
Skills you'll gain: Debugging, Test Driven Development (TDD), Unit Testing, AI Integrations, Test Script Development, Software Testing, Test Automation, Context Engineering, Responsible AI, Risking, Software Architecture, Verification And Validation, AI literacy, AI Workflows, Software Documentation, Engineering Documentation, Python Programming, Large Language Modeling, Cloud Computing Architecture
Beginner · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Prompt Engineering, Large Language Modeling, Data Ethics, Prompt Patterns, Responsible AI, LLM Application, Context Engineering, AI literacy, AI Workflows, Agentic Workflows, AI Personalization, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Automation, Collaboration, Information Privacy, Productivity, Innovation, Organizational Skills, Business Technologies
Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Enablement, Climate Change Programs, Generative AI, Artificial Intelligence and Machine Learning (AI/ML), Sustainable Systems, Sustainability Reporting, Artificial Intelligence, Generative AI Agents, Energy and Utilities, AI Personalization, Climate Change Adaptation, Environment, Environmental Resource Management, Environmental Issue, Environmental Policy, Responsible AI, Environment and Resource Management, Environmental Regulations, Google Analytics, Demography
Intermediate · Course · 1 - 3 Months

Madecraft
Skills you'll gain: Organizational Development, Organizational Leadership, Employee Onboarding, Trustworthiness, Team Building, Cross-Functional Collaboration, Team Leadership, Team Management, Recognizing Others, People Management, Constructive Feedback, Employee Engagement, Collaboration, Culture, Performance Review, Leadership, Change Management, Social Skills, Conflict Management, Communication
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Security, LLM Application, Open Web Application Security Project (OWASP), Application Security, Large Language Modeling, Prompt Engineering, Secure Coding, Security Testing, Personally Identifiable Information, Data Loss Prevention, Security Controls, Information Privacy, Authorization (Computing), Supply Chain Management, Data Modeling, Data Governance
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Automation, Test Script Development, Continuous Integration, CI/CD, Software Testing, Test Execution Engine, Test Tools, Test Case, Test Data, Debugging, Maintainability, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Business Process Automation, Robotic Process Automation, Agentic systems, Process Analysis, Business Process Modeling, Business Process, Agentic Workflows, Process Design, Business Systems Analysis, Process Mapping, Workflow Management, Business Process Management, Process Modeling, Business Analysis, Automation, Solution Design, Generative AI Agents, User Acceptance Testing (UAT), Solution Delivery, Test Planning
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Brand Awareness, Brand Management, Canva (Software), Brand Marketing, Brand Strategy, Social Media Analytics, Branding, Content Scheduling, Logo Design, Digital Marketing Tools, Social Media, Social Media Marketing, Social Media Campaigns, Social Media Content, Email Marketing, Data Presentation, Digital Marketing, Generative AI, Content Creation, Marketing Analytics
★ 4.6 (1.8K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Data Validation, Data Quality, SQL, Data Integrity, Verification And Validation, Unit Testing
Advanced · Course · 1 - 4 Weeks
Arizona State University
Skills you'll gain: Design Research, Innovation, Creativity, Design Thinking, Creative Thinking, Stakeholder Analysis, Design, Brainstorming, Creative Problem-Solving, Ideation, Peer Review, Design Strategies, Aesthetics, Case Studies, User Experience Design, Customer experience improvement, New Product Development, Business Modeling, Sustainable Design, Consumer Behaviour
★ 4.7 (4.2K) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: SQL, Star Schema, Snowflake Schema, Database Theory, Databases, Database Management, Database Design, Relational Databases, Query Languages, Data Analysis, Data Management
Intermediate · Course · 3 - 6 Months