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
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Apache Hadoop, Cloud Computing, Apache Spark, Web Services, Cloud Services, Cloud Computing Architecture, Cloud Infrastructure, PySpark, Cloud Applications, Cloud Platforms, Data Pipelines, Google Cloud Platform, Distributed Computing, Data Processing, Cloud Storage, Docker (Software), Virtualization, Containerization, Restful API, Data Architecture
Build toward a degree
Intermediate · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Information Architecture, Cross-Functional Collaboration, Auditing, Organizational Structure, Employee Onboarding, Content Management Systems, Project Documentation, Document Management, Technical Documentation, Organizational Skills, Document Control, Content Management, Governance, Content Development and Management, Technical Writing
Intermediate · Course · 1 - 4 Weeks
Johns Hopkins University
Skills you'll gain: Clinical Data Management, Clinical Trials, Sample Size Determination, Clinical Research Ethics, Clinical Trial Management Systems, Clinical Research, Data Quality, Quality Assurance, Data Entry, Case Report Forms, Institutional Review Board (IRB), Good Clinical Practices (GCP), Data Cleansing, Data Management, Regulatory Compliance, Data Integrity, Statistical Reporting, Informed Consent, Clinical Documentation, Data Collection
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Relational Databases, Database Architecture and Administration, Database Development
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Business Reporting, Report Writing, Financial Reporting, Data Visualization, Management Reporting, Concision, Data Storytelling, Presentations, Communication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Scalability
Beginner · Course · 1 - 4 Weeks

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

Board Infinity
Advanced · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Git (Version Control System), Version Control, DevSecOps, Devops Tools, DevOps, CI/CD, Open Web Application Security Project (OWASP), Continuous Delivery, Infrastructure as Code (IaC), Continuous Integration, Agile Methodology, Secure Coding, Application Security, Continuous Deployment, Agile Software Development, Automation, Real Time Data, Control Systems
Beginner · Course · 1 - 3 Months

Skills you'll gain: Performance Tuning, Data Governance, Data Pipelines, SQL, Data Integrity, Data Quality, Data Integration, Stored Procedure, Operational Databases, Database Design, Consolidation, Data Cleansing, Data Validation, Data Manipulation, Systems Integration, Performance Testing, Performance Improvement, Application Performance Management, Performance Metric, Performance Measurement
Advanced · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Search Engine Optimization, Search Engine Marketing, Keyword Research, Google Analytics, Web Analytics
Mixed · Course · 1 - 4 Weeks