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.

Skills you'll gain: Git (Version Control System), GitHub, Version Control, Devops Tools, Collaborative Software, Software Configuration Management, Software Development Tools, Unix Shell, Command-Line Interface, Secure Coding
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Threat Modeling, IT Security Architecture, Threat Detection, Security Engineering, Internet Of Things, Network Security, Infrastructure Security, Security Controls, Data Security, Cryptographic Protocols, Vulnerability Assessments, Risk Management Framework, Cloud Computing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mobile Development, Game Design, Video Game Development, User Interface (UI), Unity Engine, Android Development, C# (Programming Language), Animations, Scripting, Debugging
Intermediate · Course · 1 - 4 Weeks
University of Colorado Boulder
Skills you'll gain: Vibrations, Control Systems, Mechanics, Torque (Physics), Mechanical Engineering, Engineering Analysis, Engineering Calculations, Differential Equations, Mathematical Modeling, Simulation and Simulation Software
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Organizational Leadership, Sustainable Design, Corporate Sustainability, Business Transformation, Performance Measurement, Waste Minimization, Business Modeling, Innovation, Product Lifecycle Management, Resource Management, Key Performance Indicators (KPIs), Packaging and Labeling, Environmental Issue, Case Studies
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Version Control, Git (Version Control System), Selenium (Software), Test Automation, Jenkins, Test Script Development, Continuous Integration, Test Execution Engine, Test Data, Test Case, Software Testing, Software Design Patterns, Command-Line Interface, File I/O
Advanced · Course · 1 - 3 Months

Skills you'll gain: Cyber Threat Intelligence, Malware Protection, Personally Identifiable Information, Threat Detection, Threat Management, Cybersecurity, Cyber Attacks, Vulnerability Scanning, Information Privacy, Data Security, Security Awareness, Human Factors (Security), User Accounts
Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Database Design, Database Theory, Data Modeling, Database Management Systems, Metadata Management, Databases, Data Management, Relational Databases, Unified Modeling Language, Data Governance, Enterprise Modeling, Data Integrity, Data Quality
Build toward a degree
Mixed · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Professional Development, Cultural Diversity, Adaptability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Penetration Testing, Open Web Application Security Project (OWASP), Web Applications, Vulnerability Scanning, Exploitation techniques, Vulnerability Assessments, Brute-force attacks, Application Security, Web Servers, Content Management Systems, Application Programming Interface (API), Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Marketing Operations, Operations Management, Technical Management, Marketing Management, Media Planning, Marketing Strategies, Customer Relationship Management, Sales Management, Marketing and Public Relations, Verbal Communication Skills, Supply Chain Management, Branding, Marketing Budgets, Supply Chain, Loyalty Programs, Business Operations, Presentations, Financial Forecasting, Brand Management, Forecasting
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Slack (Software), Collaborative Software, Marketing Materials, Content Creation, Marketing Design, Content Marketing, Corporate Communications, Shared Media, Facebook, Social Media Content, Graphic Design, User Accounts, Marketing Communications, Multimedia, Digital Marketing
Beginner · Guided Project · Less Than 2 Hours