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: z/OS, Computer Architecture, Mainframe Computing, System Programming, Computer Programming, Computational Logic, Data Storage, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

Skills you'll gain: 3D Modeling, 3D Assets, Visualization (Computer Graphics), Computer Graphics, Graphical Tools, Computer Graphic Techniques, User Interface (UI), Graphics Software, Data Import/Export
Mixed · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Hybrid Cloud Computing, Telecommunications, Collaboration, Dynamic Host Configuration Protocol (DHCP), Wide Area Networks, User Provisioning, Virtual Private Networks (VPN), Network Support, Cloud Deployment, Cloud-Based Integration, Firewall, Network Performance Management, Network Administration, Session Initiation Protocols, System Configuration, Network Monitoring, Identity and Access Management, Administration, Product Management
Beginner · Specialization · 3 - 6 Months

EDUCBA
Skills you'll gain: Performance Tuning, Microsoft Azure, Database Administration, Scalability, Relational Databases, Microsoft SQL Servers, Database Architecture and Administration, Database Management, Database Systems, Operational Databases, Data Migration, Transact-SQL, Stored Procedure, Cloud Security, Cloud Deployment, Disaster Recovery, Virtual Machines
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Planning And Design, Microsoft Azure, Network Security, Network Troubleshooting, Network Architecture, Network Administration, Firewall, Virtual Private Networks (VPN), Virtual Networking, Role-Based Access Control (RBAC), General Networking, Hybrid Cloud Computing, Data Migration
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Design, Computational Logic, Verification And Validation, Software Systems, Theoretical Computer Science, Simulations, Programming Principles, Graph Theory, Model Evaluation, Hardware Architecture, Algorithms, Logical Reasoning
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Photo Editing, Adobe Photoshop, Image Quality, File Management, Adobe Creative Cloud, Photography, Graphics Software, Design Elements And Principles, Editing, Graphic and Visual Design Software, Color Matching, Computer Graphic Techniques, Productivity Software, User Interface (UI)
Mixed · Course · 1 - 3 Months

Skills you'll gain: Business Strategy, Process Optimization, Operational Analysis, Contingency Planning, Business Process Reengineering, Business Planning, Process Improvement, Organizational Strategy, Strategic Decision-Making, Competitive Analysis, Strategic Leadership, Business Analysis, Organizational Effectiveness, Operational Efficiency, Program Evaluation, Performance Measurement, Business Operations, Portfolio Management, Operations Management, Business
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Model Deployment, Data Management, Data Pipelines, Statistical Modeling
Intermediate · Course · 1 - 4 Weeks

Minnesota State University, Mankato
Skills you'll gain: Technical Writing, Writing and Editing, Technical Documentation, Editing, Technical Communication, Web Content Accessibility Guidelines, Style Guides, Proofreading, Usability, Functional Design
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Sales Presentation, Presentations, Sales Presentations, Canva (Software), Multimedia, Marketing Design, Design, Marketing Collateral, Product Demonstration, Marketing Materials, Graphic Design, Photo Editing
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Responsive Web Design, Flutter (Software), Mobile Development, Application Development, Data Validation, User Interface (UI) Design, User Interface (UI), Application Design, Cross Platform Development, Interactive Design, Human Computer Interaction, Interaction Design, User Flows, Scalability, Usability, Verification And Validation, Maintainability, Image Quality
Beginner · Specialization · 1 - 3 Months