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.

Lund University
Skills you'll gain: Real-Time Operating Systems, Programming Principles, Control Systems, Event-Driven Programming, Robotics, Computer Programming, Program Development, Robotic Process Automation, Automation, Other Programming Languages, Real Time Data, Applied Mathematics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Structures, Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Computational Thinking, Java, Algorithms, Programming Principles, Computer Programming, Solution Design
Advanced · Course · 1 - 3 Months

Skills you'll gain: Productivity Software, Intranet, Content Management Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Generally Accepted Accounting Principles (GAAP), Bookkeeping, Variance Analysis, General Accounting, Accounting Records, Accounting, Standard Accounting Practices, Audit Planning, Compliance Auditing, Auditing, Accounting Systems, Document Management, Financial Auditing, Ledgers (Accounting), Record Keeping, Auditors Report, Compliance Reporting, Verification And Validation, File Management, Compliance Training
Beginner · Course · 1 - 3 Months

Skills you'll gain: Prompt Engineering, Prompt Patterns, Tool Calling, Code Review, Maintainability, Generative AI, Software Documentation, Large Language Modeling, JSON, Persona Development, Git (Version Control System), Data Management
Advanced · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Virtual Networking, Data Centers, vSphere Networking and Storage, Software-Defined Data Center (SDDC), Virtual Local Area Network (VLAN), Virtualization, VMware ESX Servers, Software-Defined Networking, Network Architecture, vCenter Server, Network Infrastructure, Network Switches, Virtualization and Virtual Machines, Virtual Machines, Network Administration, Network Protocols, vSphere DRS & HA, Routing Protocols, Network Routing, Control Panels
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Retrieval-Augmented Generation, AI Workflows, Agentic Workflows, Vector Databases, LangGraph, LangChain, LLM Application, Generative AI Agents, Embeddings, Application Performance Management, Large Language Modeling, Agentic systems, Semantic Web, Software Visualization, Performance Tuning, Context Management, Debugging, Memory Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Milestones (Project Management), Project Schedules, Timelines, Scheduling, Project Controls, Microsoft Excel, Project Management Software, Project Estimation, Project Planning, Dependency Analysis, Project Management, Dashboard, Data Visualization, Project Documentation, Diagram Design, Excel Formulas, Spreadsheet Software, Report Writing, Stakeholder Communications
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Marketing Effectiveness, Digital Analysis, Data-Driven Marketing, Digital Marketing Campaigns, Brand Awareness, Brand Marketing, Campaign Planning, Performance Metric, Marketing Planning, Marketing Strategies, Marketing Analytics, Branding, Strategic Partnership, Competitive Intelligence, Brand Strategy, Brand Management, Customer Insights, Promotions and Campaigns, Competitive Analysis, AI Integrations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Spatial Data Analysis, GIS Software, Geospatial Information and Technology, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Interactive Data Visualization, User Interface (UI), Application Development, UI Components, Python Programming, Application Design, Data Science, Code Reusability, Application Deployment, User Interface (UI) Design, Software Installation
Beginner · Course · 1 - 3 Months
Skills you'll gain: Dashboard Creation, System Monitoring, Incident Response, Technical Communication, Incident Management, Event Monitoring, Application Performance Management, Cloud Applications, Interactive Data Visualization, Continuous Monitoring, Anomaly Detection, Data Integration, Query Languages, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: React Native, Mobile Development, React Redux, Application Deployment, React.js, Application Development, Application Design, Cross Platform Development, UI Components, Code Reusability, E-Commerce, Data Persistence, User Interface (UI), User Interface (UI) Design, Data Storage Technologies, Authentications, Data Validation
Advanced · Course · 1 - 3 Months