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: Responsive Web Design, User Interface (UI), UI Components, User Interface (UI) Design, Front-End Web Development, HTML and CSS, Web Design, Web Design and Development, Code Reusability, Cascading Style Sheets (CSS), Web Development Tools, Hypertext Markup Language (HTML), Development Environment, Software Installation
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, NoSQL, Database Development, Database Management, Query Languages, Database Design, Development Environment, Command-Line Interface, Software Development Tools, Performance Tuning, Scalability, Capacity Management, Software Installation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Conversion Funnel Analysis, Digital Analysis, Data Collection, Data-Driven Marketing, Data Literacy, Data Quality, grep, Data Validation, Dashboard Creation, Reconciliation, Campaign Planning, Event Monitoring
Intermediate · Course · 3 - 6 Months

Packt
Skills you'll gain: Secure Coding, API Testing, API Design, Application Programming Interface (API), Security Testing, Penetration Testing, Application Security, Restful API, Authentications, Exploit development, Distributed Denial-Of-Service (DDoS) Attacks, Vulnerability Assessments, Exploitation techniques, Data Security, Business Logic, Authorization (Computing), Scenario Testing, Security Controls, Development Environment, Cybersecurity
Intermediate · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Unit Testing, .NET Framework, Software Testing, Event-Driven Programming, Test Tools, Application Frameworks, Maintainability, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Service Management, Information Technology Infrastructure Library, IT Service Management, Systems Integration, Control Objectives for Information and Related Technology (COBIT), Supplier Relationship Management, Supplier Performance Management, Strategic Sourcing, Culture Transformation, Process Development, Organizational Structure, Change Management, Cross-Functional Collaboration, Governance, Risk Analysis, Process Improvement and Optimization, Risk Management, Continuous Improvement Process, Performance Measurement, Lean Methodologies
Beginner · Course · 1 - 3 Months

Skills you'll gain: SketchUp (3D Modeling Software), Animations, AutoCAD, Visualization (Computer Graphics), 3D Modeling, Software Visualization, 3D Assets, Design Software, Color Matching, Data Import/Export, Digital Design, Design, Editing, Package and Software Management, Software Installation
Advanced · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Intercultural Competence, Teamwork, Team Performance Management, Personal Development, Workplace inclusivity, Team Collaboration, Diversity and Inclusion, Cultural Sensitivity, Adaptability, Cultural Diversity, Cultural Responsiveness, Professional Development, Relationship Management, Resilience, Relationship Building, Curiosity, Coordinating
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Lakes, Microsoft Azure, Data Architecture, Extract, Transform, Load, Power BI, Data Security, Data Transformation, Data Governance, Data Warehousing, Real Time Data, Computing Platforms, Collaborative Software, Data-Driven Decision-Making, Data Integration, Dashboard, Data Analysis, Data Presentation, Cloud Infrastructure, Python Programming, Machine Learning
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Django (Web Framework), Full-Stack Web Development, Authentications, Software Testing, Development Testing, Unit Testing, Debugging, Object-Relational Mapping, Authorization (Computing), MySQL, Test Case, Web Development, Back-End Web Development, Database Development, Web Applications, File Management, Model View Controller, Server Side, Data Modeling
Mixed · Course · 1 - 3 Months

Skills you'll gain: Dashboard Creation, Dashboard, Splunk, Role-Based Access Control (RBAC), Data Transformation, Statistical Visualization, Infrastructure Architecture, Data Infrastructure, Data Visualization Software, Analytical Skills, Data Analysis, Statistical Analysis, Anomaly Detection, Exploratory Data Analysis, Configuration Management, Data Manipulation, Data Presentation, Interactive Data Visualization, Scatter Plots, Authentications
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: MLOps (Machine Learning Operations), Applied Machine Learning, API Design, CI/CD, Software Quality Assurance, Code Review, Maintainability
Intermediate · Course · 1 - 4 Weeks