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: Intrusion Detection and Prevention, Model Evaluation, Incident Response, Threat Detection, Computer Security Incident Management, Distributed Denial-Of-Service (DDoS) Attacks, Cybersecurity, Anomaly Detection, Incident Management, Threat Management, Model Training, Continuous Monitoring, Cyber Security Policies, System Monitoring, AI Security, Virtual Machines, Network Security, Machine Learning Methods, Network Analysis, Data Analysis
★ 4.8 (9) · Intermediate · Specialization · 3 - 6 Months

Korea Advanced Institute of Science and Technology(KAIST)
Skills you'll gain: Chemical Engineering, Energy and Utilities, Chemical and Biomedical Engineering, Chemistry, Engineering, Process Engineering, Mechanical Engineering, Sustainable Engineering, Engineering Calculations, Mathematical Modeling
★ 4.9 (18) · Intermediate · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: AI Enablement, Data-Driven Decision-Making, digital literacy, Digital Transformation
Beginner · Course · 1 - 3 Months

Arizona State University
Skills you'll gain: Semiconductors, Electronic Components, Electronics, Production Process, Basic Electrical Systems, Test Equipment, Electrical Engineering, Manufacturing Processes, Process Control, Laboratory Equipment, Materials science, Systems Of Measurement, Engineering Calculations
★ 4.9 (28) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Responsible AI, Autoencoders, Model Training, Convolutional Neural Networks, Recurrent Neural Networks (RNNs), Data Ethics, Model Optimization, Deep Learning, Artificial Neural Networks, Reinforcement Learning, Generative AI, Generative Adversarial Networks (GANs), Machine Learning Algorithms, Model Deployment, Generative Model Architectures, Debugging, Machine Learning Methods, Artificial Intelligence, Image Analysis, Unsupervised Learning
★ 4.5 (24) · Intermediate · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Root Cause Analysis, Customer Relationship Building, Customer Relationship Management, Relationship Management, Problem Management, Verbal Communication Skills, Customer Support, Amazon Web Services, Technical Support and Services, Oral Expression, Customer and Client Support, Communication, Consultative Approaches, Technical Support, Cloud Security, Cloud Services, Automation, Collaboration, Incident Management, Generative AI
★ 4.9 (28) · Beginner · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Blockchain, Cryptography, FinTech, Cryptographic Protocols, Emerging Technologies, Ledgers (Accounting), Bookkeeping, Machine Learning, Financial Data, Machine Learning Algorithms, Applied Machine Learning, Artificial Intelligence, Financial Systems, Supervised Learning, Data Structures, Information Privacy, Personally Identifiable Information, Entrepreneurship, Technology Strategies, Unsupervised Learning
★ 4.7 (45) · Beginner · Course · 1 - 4 Weeks

Meta
Skills you'll gain: Git (Version Control System), Android Jetpack, Version Control, Android Development, Android Studio, User Interface and User Experience (UI/UX) Design, Mobile Development, Application Design, User Interface (UI), UI/UX Strategy, Kotlin, Application Development, User Interface (UI) Design, UI Components, User Flows, Data Access, Information Architecture
★ 4.7 (43) · Intermediate · Course · 1 - 4 Weeks

École Polytechnique Fédérale de Lausanne
Skills you'll gain: Mechanics, Torque (Physics), Vibrations, Mechanical Engineering, Physics, Differential Equations, Physical Science, Engineering Calculations, electromagnetics, Engineering Analysis, Integral Calculus, Calculus, Applied Mathematics, Trigonometry, Mathematical Modeling, Systems Of Measurement
★ 4.8 (40) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Blockchain, Business Process Automation, Digital Transformation, Business Transformation, Automation, Emerging Technologies, Market Opportunities, Internet Of Things, Supply Chain Management, Data Integration, Distributed Computing, Systems Integration, Case Studies, Market Trend
★ 4.5 (338) · Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Prompt Engineering Tools, Prompt Patterns, Vibe coding, Data Ethics, AI Workflows, Generative AI Agents, AI Personalization, Artificial Intelligence, Debugging, Ideation, Problem Solving, Automation, Code Review, Ethical Standards And Conduct, Computer Programming Tools, Productivity
Beginner · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, Network Monitoring, OSI Models, Routing Protocols, Software-Defined Networking, Network Troubleshooting, Network Architecture, Network Protocols, Distributed Denial-Of-Service (DDoS) Attacks, General Networking, Network Security, TCP/IP, Network Routing, Computer Networking, Open Shortest Path First (OSPF), Cloud Technologies, Network Infrastructure, Hardening, Network Performance Management, Authentications
★ 4.5 (17) · Intermediate · Specialization · 3 - 6 Months