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: Responsive Web Design, HTML and CSS, Bootstrap (Front-End Framework), Cascading Style Sheets (CSS), Web Design and Development, Web Design, Hypertext Markup Language (HTML), Web Development, Debugging, Web Applications, No-Code Development, Front-End Web Development, Development Environment, Web Development Tools
Beginner · Course · 1 - 3 Months

Skills you'll gain: z/OS, Operating Systems, System Programming, Mainframe Computing, System Monitoring, Performance Tuning, System Configuration, OS Process Management, Data Storage, Systems Architecture, Capacity Management, Problem Management, Disaster Recovery, Computer Architecture, Data Access
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Flutter (Software), User Interface (UI) Design, User Interface (UI), JSON, Object Oriented Programming (OOP), Mobile Development, Data Structures, Data Modeling, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Event-Driven Programming, Javascript, Web Development Tools, Application Programming Interface (API), Game Design, Restful API, Software Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: HTML and CSS, Cascading Style Sheets (CSS), Responsive Web Design, Web Design, Hypertext Markup Language (HTML), Front-End Web Development, User Interface (UI) Design, Semantic Web, Typography
Intermediate · Guided Project · Less Than 2 Hours

EC-Council
Skills you'll gain: Network Security, Cybersecurity, Information Assurance, Cloud Security, Security Controls, Mobile Security, Data Security, Cryptography, Public Key Infrastructure, Authorization (Computing), Intrusion Detection and Prevention, Network Monitoring, Wireless Networks, Authentications, Identity and Access Management, Encryption, Threat Detection, Internet Of Things
Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Content Strategy, Content Marketing, Content Performance Analysis, Web Content, Social Media Content, Paid media, Digital Content, Marketing Strategies, Content Creation, Email Marketing, Copywriting, Search Engine Optimization, Digital Advertising, Business-To-Consumer, Target Audience, Key Performance Indicators (KPIs), Customer Engagement, B2B Sales
Beginner · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: Data Storytelling, Data Presentation, Plot (Graphics), Data Visualization, Matplotlib, Interactive Data Visualization, Data Visualization Software, Seaborn, Data Analysis, Graphic and Visual Design, Python Programming, Jupyter, Pandas (Python Package), Data Manipulation, NumPy
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Application Development, Application Design, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Matplotlib, Data Storytelling, Data Presentation, Scientific Visualization, Visualization (Computer Graphics), Plot (Graphics), Data Visualization, Data Preprocessing, Statistical Visualization, Box Plots, E-Commerce, Business Analytics, Data Visualization Software, Scatter Plots, Histogram, Data Analysis, Exploratory Data Analysis, Pandas (Python Package), Image Quality, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Marketing Automation, AI Personalization, Marketing Effectiveness, Marketing, Content Marketing, Marketing Strategies, MarTech, Advertising Campaigns, Agentic Workflows, AI Enablement, Marketing Analytics, Customer Relationship Management, Data-Driven Decision-Making, Social Media Management, Customer experience improvement
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Generative AI Agents, Responsible AI, Retrieval-Augmented Generation, Generative AI, AI Enablement, Google Workspace, Gemini, AI Product Strategy, Google Cloud Platform, Customer experience improvement, Data Governance, Productivity Software, AI Security, AI Workflows, Large Language Modeling, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months