Design Patterns courses can help you learn object-oriented design principles, common design patterns like Singleton and Observer, and best practices for software architecture. You can build skills in code refactoring, improving maintainability, and enhancing collaboration among developers. Many courses introduce tools such as UML for visualizing design structures and integrated development environments (IDEs) that facilitate pattern implementation, allowing you to apply these concepts in real coding projects.

Skills you'll gain: Data Persistence, Debugging
Intermediate · Course · 1 - 3 Months

University of Pennsylvania
Skills you'll gain: People Analytics, Human Capital, Human Resource Strategy, Human Resources, Talent Management, Organizational Effectiveness, Workforce Management, Analytics, Performance Measurement, Employee Performance Management, Data-Driven Decision-Making, Performance Analysis, Network Analysis, Employee Retention, Performance Management, Collaboration, Data Analysis, Predictive Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Responsive Web Design, Bootstrap (Front-End Framework), Web Design, Web Design and Development, Cascading Style Sheets (CSS), Front-End Web Development, Web Applications, User Interface (UI), UI Components, Web Development Tools
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Cascading Style Sheets (CSS), HTML and CSS, Responsive Web Design, User Interface (UI), User Interface (UI) Design, Web Design and Development, Web Development, Hypertext Markup Language (HTML), Web Design, Browser Compatibility, Web Servers, Web Applications, Front-End Web Development, Web Content, Web Development Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Reconciliation, QuickBooks (Accounting Software), Spreadsheet Software, Accounting Records, Investigation, Variance Analysis, Financial Statements, Accounts Payable, Financial Controls, Financial Auditing, Fraud detection, Analysis, Verification And Validation, Payment Processing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Debugging, Computational Thinking, Programming Principles, Program Development, Application Design, Command-Line Interface, Algorithms
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Java Programming, Object Oriented Design, Computational Thinking, Java, Algorithms, Debugging, Programming Principles, Computer Programming, Pseudocode, Program Development, Mathematical Theory & Analysis, Integrated Development Environments, Analysis, Solution Design, Analytical Skills
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Extract, Transform, Load, Star Schema, Microsoft Power Platform, Data Analysis Expressions (DAX), Data Storytelling, Microsoft Power Automate/Flow, Dashboard, Microsoft Excel, Excel Formulas, Power BI, Data-Driven Decision-Making, Microsoft Copilot, Data Presentation, No-Code Development, Data Transformation, Data Literacy, Data Modeling, Data Visualization, Data Analysis, Business Intelligence
Beginner · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Cascading Style Sheets (CSS), Web Content, Web Design and Development, Web Design, Web Development, Typography, Web Applications, Front-End Web Development, Web Servers, Embeddings, Web Development Tools, Software Development
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Analytics, Social Media Management, Analytics, Social Media Marketing, Web Analytics, Social Media Campaigns, Scheduling, Social Media Strategy, Performance Analysis, Content Strategy, Descriptive Analytics, Trend Analysis, Content Creation, Process Optimization
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Servers, File Management, Routing Protocols
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Workflows, Tool Calling, OAuth, AI Orchestration, Middleware, Generative AI Agents, Interoperability, API Gateway, Agentic Workflows, Software Development Tools, LLM Application, Application Programming Interface (API), Agentic systems, Authentications, Real Time Data, Data Persistence, Context Management, Business Logic, Software Testing, Debugging
Intermediate · Course · 1 - 4 Weeks