Recommender systems courses can help you learn collaborative filtering, content-based filtering, and hybrid approaches to personalization. You can build skills in data analysis, user behavior modeling, and algorithm evaluation. Many courses introduce tools like Python libraries such as Scikit-learn and TensorFlow, that support implementing machine learning algorithms, as well as frameworks for managing large datasets and user interactions.

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Responsible AI, Graph Theory, Collaborative Software, Machine Learning, Applied Machine Learning, Social Sciences, Statistical Analysis, Amazon Web Services, R Programming, Tensorflow, Data Ethics, Artificial Intelligence and Machine Learning (AI/ML), Research Design, Sociology, Data Collection, LLM Application, Behavioral Economics, Analytics
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Software-Defined Networking, Network Engineering, Network Architecture, Scripting, Application Programming Interface (API), Data Modeling, General Networking, Network Planning And Design, Automation, Network Infrastructure, Linux Commands, Python Programming, Network Protocols, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Big Interview
Skills you'll gain: Interviewing Skills, Applicant Tracking Systems, Professional Networking, Professional Development, Verbal Communication Skills, Test Tools, Storytelling, Non-Verbal Communication, Business Writing
Beginner · Course · 1 - 3 Months

Sapienza University of Rome
Skills you'll gain: Ancient History, Research, Research Methodologies, World History, Geospatial Information and Technology, Art History, Geographic Information Systems, Investigation, Culture, Information Systems, Data Integration
Beginner · Course · 1 - 3 Months

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Data Management, Blueprinting, Video Game Development, Scripting, UI Components, Event-Driven Programming, C++ (Programming Language), Object Oriented Programming (OOP), Debugging
Beginner · Course · 1 - 4 Weeks

École Polytechnique
Skills you'll gain: Energy and Utilities, Climate Change Mitigation, Electrical Power, Environmental Issue, Sustainable Design, Hydrology, Electric Power Systems, Time Series Analysis and Forecasting, Water Resource Management, Environment, Estimation, Mathematical Modeling, Physical Science
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Routing, Network Administration, Virtualization and Virtual Machines, Computer Networking, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Network Model, Networking Hardware, Local Area Networks
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, Linux Servers, OS Process Management, Command-Line Interface, File Management, Unix Shell, System Monitoring, General Networking, Firewall, Open Source Technology
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Open Web Application Security Project (OWASP), Penetration Testing, Metasploit, Security Testing, Exploit development, Security Strategy, Threat Modeling, Vulnerability Assessments, Cyber Security Assessment, Security Management, Vulnerability Scanning, Cyber Threat Intelligence, Threat Detection
Beginner · Course · 1 - 3 Months

Skills you'll gain: Intrusion Detection and Prevention, Computer Security Incident Management, Cyber Threat Hunting, Cyber Attacks, Cybersecurity, Cyber Operations, Continuous Monitoring, Event Monitoring, Disaster Recovery, Incident Management, Security Information and Event Management (SIEM), Threat Detection, Cloud Security, Security Controls, Threat Management, System Monitoring, IT Automation, Record Keeping, Problem Management
Beginner · Course · 1 - 4 Weeks

University of Alberta
Skills you'll gain: Energy and Utilities, Innovation, Environment, Sustainable Development, Climate Change Mitigation, Transportation, Supply Chain, and Logistics, Environmental Policy, Oil and Gas, Supply Chain Management, Sustainable Technologies, Electric Power Systems, Emerging Technologies
Beginner · Course · 1 - 3 Months

Universidad de los Andes
Skills you'll gain: Sustainable Development, Environment, Sustainability Standards, Teaching, Student Engagement, Systems Thinking, Case Studies, Higher Education, Curriculum Planning, Community Development, Instructional Strategies
Beginner · Course · 1 - 4 Weeks