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: International Financial Reporting Standards, Profit and Loss (P&L) Management, Business Valuation, Consolidation, Technical Accounting, Financial Reporting, Standard Accounting Practices, Financial Analysis, Financial Accounting, Mergers & Acquisitions, Financial Statement Analysis, Accounting, Balance Sheet, Financial Statements, Equities
★ 4.5 (26) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, MLOps (Machine Learning Operations), Systems Architecture, Model Evaluation, Feature Engineering, AI Integrations, Image Analysis, Model Training, Model Deployment, Extract, Transform, Load, Systems Design, Artificial Intelligence and Machine Learning (AI/ML), Tensorflow, Apache Spark, Natural Language Processing, Pandas (Python Package), Cloud Deployment, Machine Learning, Computer Vision, Computational Thinking
Intermediate · Professional Certificate · 3 - 6 Months

Fundação Instituto de Administração
Skills you'll gain: Customer Success Management, Customer Relationship Building, Customer Relationship Management, Customer Analysis, Customer Engagement, Consultative Approaches, Customer Retention, Market Analysis, Market Opportunities, Organizational Structure, Market Data, Business Relationship Management, Rapport Building, Business Modeling, Business Solutions, Business Technologies, Active Listening, Consulting, Relationship Building, Business Priorities
★ 4.8 (26) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Orchestration, Prompt Patterns, AI Workflows, Agentic Workflows, AI Integrations, OpenAI API, Token Optimization, Test Script Development, Context Management, Code Reusability, Secure Coding, Authentications, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Statistical Process Controls, Six Sigma Methodology, Statistical Hypothesis Testing, Lean Six Sigma, Statistical Analysis, Continuous Improvement Process, Data Analysis, Analysis, Process Analysis, Process Improvement, Quality Improvement, Statistical Methods, Quality Monitoring, Quality Control, Process Improvement and Optimization, Root Cause Analysis, Data-Driven Decision-Making, Statistics, Statistical Inference
★ 4.6 (19) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Sustainable Systems, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Land Development, Community Development, Environmental Policy, Social Impact, Sustainable Design, Social Justice, Environmental Regulations, Environmental Issue, Socioeconomics, Diversity Equity and Inclusion Initiatives, Climate Change Mitigation, Energy and Utilities, Petroleum Industry
★ 5 (14) · Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Non-Verbal Communication, Interpersonal Communications, Communication, Emotional Intelligence, Empathy & Emotional Intelligence, Digital Communications, Communication Strategies, Media and Communications, Conflict Management, Collaboration, Interrigatories
★ 4.6 (23) · Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Usability Testing, Usability, Software Testing, Software Quality (SQA/SQC), Test Planning, Human Centered Design, Technical Communication, User Experience Design, User Research, UI/UX Research, Quality Assurance, Verification And Validation, User Centered Design, Report Writing, Web Content Accessibility Guidelines, Stakeholder Engagement
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Peer Review, Interactive Data Visualization, Data Visualization, Storytelling, Microsoft Excel, Dashboard Creation, Data-Driven Decision-Making, Presentations, Pivot Tables And Charts, Data Visualization Software, Business Intelligence, Constructive Feedback, Financial Reporting, User Feedback, Business, Stakeholder Communications, Case Studies, Decision Making
★ 4.9 (15) · Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Cloud Development, Google Cloud Platform, Cloud Applications, Microservices, Virtual Machines, Cloud Deployment, Application Deployment, Infrastructure As A Service (IaaS), Kubernetes, API Design, Load Balancing, Virtual Networking, Google App Engine, Cloud Management, Cloud Platforms, CI/CD, Terraform, Data Storage Technologies
Intermediate · Specialization · 3 - 6 Months
Madecraft
Skills you'll gain: Google Analytics, Lead Generation, Digital Marketing, Value Propositions, Digital Brand Strategy, Marketing Strategies, Target Audience, Digital Marketing Campaigns, Marketing Automation, Marketing Strategy and Techniques, Marketing Effectiveness, Strategic Marketing, Marketing Planning, Marketing Analytics, Web Analytics, Data-Driven Marketing, Search Engine Optimization, Analytics, Search Engine Marketing, Customer Retention
Beginner · Specialization · 3 - 6 Months

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