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: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Javascript, Application Programming Interface (API), Code Reusability, Software Design Patterns, Data Management, Data Structures, Web Development, Computational Logic, Programming Principles, Data Import/Export, Software Development, Software Engineering, Performance Tuning
Intermediate · Specialization · 1 - 3 Months

University of California, Davis
Skills you'll gain: Secure Coding, Application Security, C and C++, Linux Administration, Verification And Validation, Code Review, Vulnerability Management, Linux, Security Controls, Vulnerability Assessments, Unix, User Accounts, Data Validation, File I/O, Cryptography, C (Programming Language), System Programming, Identity and Access Management, Encryption, File Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Prompt Engineering, Anthropic Claude, Experience Design, Generative AI, LLM Application, User Interface and User Experience (UI/UX) Design, Application Programming Interface (API), Artificial Intelligence, Artificial Intelligence and Machine Learning (AI/ML), AI Integrations, Application Development, Authentications, Context Management
Intermediate · Course · 1 - 4 Weeks

Columbia University
Skills you'll gain: Computer Graphics, Image Analysis, 3D Modeling, Medical Imaging, Computer Vision, Automation Engineering, Mathematical Modeling, Estimation, Algorithms
Beginner · Course · 1 - 3 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Data Collection, Data Visualization, Data Presentation, Data-Driven Decision-Making, Microsoft Excel, Spreadsheet Software, Data Visualization Software, Project Management, Data Analysis, Compensation and Benefits, Business Analytics, Analytics, Google Sheets, Project Design, Timelines, Data Cleansing, Data Integrity, Data Preprocessing, Agile Methodology, Employee Surveys
Beginner · Course · 1 - 3 Months

Dartmouth College
Skills you'll gain: C (Programming Language), Memory Management, System Programming, Computer Architecture, Embedded Software, Programming Principles, Code Reusability, Computer Programming, Linux
Beginner · Course · 1 - 3 Months

Skills you'll gain: Context Engineering, Agentic Workflows, AI Orchestration, Tool Calling, Generative AI, Gemini, Artificial Intelligence, Google Gemini, Retrieval-Augmented Generation, Model Optimization, Embeddings, Workflow Management, Python Programming, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Threat Modeling, Security Management, Risk Management, Business Continuity Planning, Disaster Recovery, Governance, Business Continuity, Application Security, Information Management, Security Controls, Continuous Monitoring, Configuration Management, Regulatory Compliance, Governance Risk Management and Compliance, Risk Mitigation, Law, Regulation, and Compliance, Cybersecurity, Cloud Computing, Malware Protection
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Cyber Security Policies, Security Management, Information Systems Security, Risk Management, Risk Management Framework, Identity and Access Management, Change Control, Record Keeping, Information Technology
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Infectious Diseases, Epidemiology, Public Health and Disease Prevention, Public Health, Infection Control, Microbiology, Community Health, Social Determinants Of Health, Preventative Care, Bloodborne Pathogens, Health Policy, Public Policies, Policy Analysis, Trend Analysis, Immunology, Treatment Planning, Data Mapping
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: Model Deployment, PyTorch (Machine Learning Library), Generative AI, Deep Learning, Generative Model Architectures, MLOps (Machine Learning Operations), Large Language Modeling, Model Optimization, Convolutional Neural Networks, Software Visualization, Artificial Neural Networks, Embeddings, Computer Vision
Intermediate · Course · 1 - 4 Weeks