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: Apple iOS, iOS Development, Swift Programming, Test Driven Development (TDD), Mobile Development, Cross Platform Development, Unit Testing, Application Design, Development Testing, Knowledge of Apple Software, Application Development, User Interface (UI), UI Components, User Interface (UI) Design, Software Design Patterns, Software Architecture, Code Reusability, Maintainability
Advanced · Course · 1 - 3 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, User Experience Design, User Interface and User Experience (UI/UX) Design, Layout Design, User Interface (UI) Design, Web Design, Typography, Usability, E-Commerce, User Interface (UI), User Experience, Design Elements And Principles, Prototyping, UI Components
Intermediate · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Positivity, Personal Attributes, Research, Research Methodologies, Optimism, Personal Development, Science and Research, Social Impact, Research Design, Mental Health Diseases and Disorders, Psychology, Self-Awareness, Ethical Standards And Conduct, Program Evaluation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: User Provisioning, Azure Active Directory, Cloud Security, Microsoft Azure, Security Information and Event Management (SIEM), Identity and Access Management, Role-Based Access Control (RBAC), IT Security Architecture, Security Controls, Multi-Factor Authentication, Authentications, Continuous Monitoring, Key Management, Threat Detection, Incident Response, General Data Protection Regulation (GDPR), Automation
Intermediate · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, AI Orchestration, Agentic Workflows, Generative AI Agents, Agentic systems, LLM Application, Automation, Artificial Intelligence and Machine Learning (AI/ML), Model Context Protocol, Context Engineering, Artificial Intelligence, System Monitoring, Workflow Management, Context Management, Tool Calling, Continuous Monitoring, Scalability, Memory Management, Large Language Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: PL/SQL, Oracle Databases, Stored Procedure, SQL, Data Persistence, Database Development, Database Management Systems, Web Services, Data Storage Technologies, Authorization (Computing), File I/O, Debugging, File Management, Network Protocols
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Interactive Data Visualization, Statistical Visualization, Tableau Software, Dashboard Creation, Data Storytelling, Spatial Data Analysis, Dashboard, Time Series Analysis and Forecasting, Advanced Analytics, R Programming, Business Intelligence, Data Mapping, Data Modeling, Performance Reporting, Key Performance Indicators (KPIs), Operational Performance Management, Python Programming, Interaction Design, Requirements Elicitation, Version Control
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hive, Apache Hadoop, Data Warehousing, SQL, Database Development, Performance Tuning, Query Languages, Database Management, Extensible Markup Language (XML), Data Processing, Data Transformation, Data Management, Data Storage
Mixed · Course · 1 - 3 Months

Skills you'll gain: Hardware Design, Electronics Engineering, Engineering Design Process, Electronic Hardware, Electronics, Computer-Aided Design, Functional Design, Verification And Validation, Simulation and Simulation Software, Open Source Technology, Schematic Diagrams
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: User Experience Design, Web Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Database Design, Stored Procedure, Microsoft SQL Servers, Transact-SQL, Database Management, Operational Databases, Database Development, Relational Databases, Database Architecture and Administration, SQL, Transaction Processing, Process Driven Development, Visual Basic (Programming Language), Data Management, Data Integrity, Debugging, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, Figma (Design Software), User Interface (UI) Design, User Flows, Prototyping, Web Design, Application Design, User Accounts, Authentications
Intermediate · Guided Project · Less Than 2 Hours