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.

LearnQuest
Skills you'll gain: User Story, Behavior-Driven Development, DevSecOps, Agile Project Management, Test Driven Development (TDD), Backlogs, Sprint Planning, Kanban Principles, Agile Methodology, Scrum (Software Development), Continuous Integration, Agile Software Development, Project Risk Management, Sprint Retrospectives, Lean Methodologies, Scaled Agile Framework, DevOps, Agile Product Development, Management Reporting, Project Coordination
Beginner · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Session Initiation Protocols, System Configuration, Collaborative Software, Configuration Management, Network Administration, Telecommunications, Communication Systems, Systems Integration, Scalability, Digital Communications
Beginner · Course · 1 - 3 Months

Columbia University
Skills you'll gain: Construction Estimating, Cost Estimation, Punch Work, Bidding, Cost Control, Project Closure, Lean Methodologies, Project Estimation, Cash Flow Forecasting, Request For Quotation (RFQ), Earned Value Management, Procurement, Request for Proposal, Change Orders, Building Information Modeling
Beginner · Course · 3 - 6 Months

Coursera
Skills you'll gain: Performance Measurement, Brand Awareness, Digital Marketing, Strategic Marketing, Marketing Planning, Marketing Strategies, Marketing Analytics, AI Personalization, Campaign Management, Strategic Partnership, Competitive Intelligence, Brand Management, Customer Insights, AI Enablement, Promotions and Campaigns, Competitive Analysis, ChatGPT, Goal Setting
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, AI Workflows, OpenAI API, ChatGPT, Test Script Development, Agentic systems, Context Management, Secure Coding, Debugging
Intermediate · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Climate Change Adaptation, Collaboration, Emotional Intelligence, Nutrition and Diet, Data Management, Sports Medicine, Adaptability, Nutritional Assessment, Performance Analysis, Leadership, Athletic Training, AI Personalization, Sustainable Technologies, Real Time Data, Innovation, Technology Solutions, Health Technology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, Inventory Accounting, Specialized Accounting, Accounting, Profit and Loss (P&L) Management, Financial Accounting, Financial Reporting, Auditing, Accounts Receivable, Consolidation, Balance Sheet, Invoicing, International Finance, Performance Analysis, Organizational Structure, Language Interpretation, Translation, and Studies, Performance Measurement
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Proposal Writing, Proposal Development, Sales Process, Enterprise Sales, Business Writing, B2B Sales, Sales Presentation, Business Marketing, Specialized Sales, Presentations, Company, Product, and Service Knowledge, Target Audience
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Retrieval-Augmented Generation, OpenAI API, Context Management, User Interface (UI), Vector Databases, Debugging
Advanced · Course · 1 - 3 Months

Skills you'll gain: Computer Vision, Artificial Intelligence, Image Analysis, Natural Language Processing, Generative AI, Model Deployment, OpenAI, Amazon Bedrock, AI Workflows, AI Security, Text Mining, Robotics, Prompt Engineering, Automation, Reinforcement Learning, Model Evaluation, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: C++ (Programming Language), Software Documentation, System Programming, Technical Documentation, Application Development, Maintainability, Data Structures, Generative AI, Application Performance Management, Algorithms, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Cloud Deployment, Amazon Web Services
Intermediate · Course · 1 - 3 Months