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.

Universidad de los Andes
Skills you'll gain: Organizational Structure, Project Management Institute (PMI) Methodology, Stakeholder Analysis, Stakeholder Management, Project Management, Strategic Planning, Stakeholder Engagement, Organizational Strategy, Systems Thinking, Project Performance, Ideation, Needs Assessment
★ 4.8 (49) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Computational Logic, Algorithms, Arithmetic, Applied Mathematics, Advanced Mathematics, Mathematics and Mathematical Modeling, Deductive Reasoning, Mathematical Theory & Analysis, Trigonometry, Geometry, Statistics, General Mathematics, Graphing, Computer Science, Mathematical Modeling, Programming Principles, Business Mathematics, Business Logic, Algebra, Problem Solving
★ 3.5 (8) · Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Climate Change Adaptation, Environmental Issue, Corporate Sustainability, Environmental Resource Management, Climate Change Mitigation, Social Impact, Mitigation, Sustainable Systems, Community Development, Community Outreach, Water Resource Management, Risk Analysis, Environmental Science, Vulnerability, Case Studies
★ 4.9 (83) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Network Monitoring, Cryptographic Protocols, Distributed Denial-Of-Service (DDoS) Attacks, Routing Protocols, Virtual Private Networks (VPN), Security Controls, OSI Models, Dynamic Host Configuration Protocol (DHCP), Proxy Servers
★ 4.6 (9) · Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Sustainable Architecture, Waste Minimization, Environmental Engineering, Water Sustainability, Sustainable Design, Environmental Resource Management, Environment and Resource Management, Water Resource Management, Energy and Utilities, Sustainable Technologies, Building Codes, HVAC, Sustainable Engineering, Environmental Regulations, Water Resources, Construction, Stormwater Management, Building Design, Construction Management, Water Quality
★ 4.8 (21) · Intermediate · Course · 1 - 4 Weeks

SkillsBooster Academy
Skills you'll gain: Data Ethics, Microsoft Excel, Microsoft Copilot, Excel Formulas, Excel Macros, Microsoft Power Platform, ChatGPT, Microsoft 365, Microsoft Access, Microsoft Teams, Workflow Management, Microsoft Office, Microsoft Project, Business Workflow Analysis, Operational Excellence, Microsoft Windows, Test Tools, Interactive Learning, Software Development Tools, Devops Tools
★ 4.4 (18) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, Agentic Workflows, AI Orchestration, LLM Application, Large Language Modeling, Generative AI Agents, Process Modeling, Tool Calling, Agentic systems, Application Deployment, Enterprise Application Management, Program Development, Development Environment, Model Evaluation
★ 4.9 (23) · Beginner · Project · Less Than 2 Hours

Arizona State University
Skills you'll gain: Engineering Design Process, Engineering Drawings, Basic Electrical Systems, Prototyping, Drafting and Engineering Design, Mechanical Drawings, Computer-Aided Design, Electronics, Technical Drawing, Electronic Components, Electronic Systems, Robotics, Manufacturing Processes, Electrical Systems, Electronics Engineering, Electrical Wiring, Materials science, Manufacturing and Production, Mechanical Engineering, Production Process
★ 4.9 (55) · Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Marketing Strategies, Data-Driven Marketing, Marketing Effectiveness, Email Marketing, Marketing Analytics, Digital Marketing, Driving engagement, Customer Relationship Management, Digital Advertising, Online Advertising, Google Ads, Social Media Marketing, Cross-Channel Marketing, Target Market, Personalized Campaigns, Data Collection
★ 4.7 (20) · Beginner · Course · 1 - 4 Weeks

Epic Games
Skills you'll gain: Unreal Engine, Game Design, Data Management, Blueprinting, Video Game Development, Scripting, Event-Driven Programming, C++ (Programming Language)
★ 3.9 (35) · Beginner · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: Web Analytics and SEO, AI Personalization, Document Management, Semantic Web, Algorithms, Query Languages, Model Evaluation, Network Analysis, Text Mining, Natural Language Processing, User Research, Data Structures, Business Modeling, Graph Theory, Applied Machine Learning, Linear Algebra
★ 5 (8) · Intermediate · Course · 3 - 6 Months

Fractal Analytics
Skills you'll gain: AI Security, Vector Databases, Responsible AI, Data Strategy, Data Ethics, Data Management, Data Security, Generative AI, Generative AI Agents, Data Mapping, AI Integrations, Data Governance, Containerization, Data Architecture, Retrieval-Augmented Generation, Interoperability, Enterprise Architecture, Metadata Management, Data Pipelines, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.9 (10) · Intermediate · Specialization · 1 - 3 Months