Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

Google Cloud
Skills you'll gain: User Provisioning, Google Workspace, User Accounts, Identity and Access Management, Document Management, Configuration Management, Security Controls
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Data Presentation, Public Health and Disease Prevention, Trend Analysis, Geographic Information Systems, Data Visualization Software, Chronic Diseases, GIS Software, Health Systems, Health Policy, Infectious Diseases, Health Care, Biostatistics, Risk Analysis, Investigation, Community Health, Data Analysis, Social Determinants Of Health, Statistics
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Order Fulfillment, Online Advertising, E-Commerce, Google Ads, Digital Advertising, Customer experience improvement, Market Research, Advertising Campaigns, Sales, Shipping and Receiving, Market Trend, Process Optimization, Target Audience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Networking Hardware, General Networking, Wireless Networks, Network Architecture, Computer Networking, Network Protocols, Local Area Networks, TCP/IP, Network Security, Network Routers, Network Switches, Wide Area Networks, System Configuration, Servers
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft PowerPoint, Microsoft 365, Microsoft Office, Presentations, Multimedia, Animations, Data Visualization, Collaborative Software, Productivity Software, Collaboration, Sales Presentations, Security Controls, Graphic and Visual Design, User Interface (UI), Graphics Software
Mixed · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, Agentic systems, AI Orchestration, AI Enablement, Advanced Analytics, Data Processing, Enterprise Architecture, Automation, Data Transformation, Artificial Intelligence, Continuous Improvement Process, Data Quality, Application Deployment, Scalability, Performance Tuning, Business Metrics, Software Design Patterns
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Security, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Risk Management, Continuous Monitoring, Operational Risk, Threat Management, Intrusion Detection and Prevention, Business Risk Management, Cyber Risk, Vulnerability Management, Security Controls, Enterprise Risk Management (ERM), Risk Mitigation, Risk Analysis, Compliance Management, Law, Regulation, and Compliance, Security Information and Event Management (SIEM), Technical Communication, Network Monitoring, Network Analysis
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Security, LLM Application, Cyber Security Assessment, Large Language Modeling, Continuous Monitoring, Security Testing, Responsible AI, Threat Modeling, Vulnerability Assessments, Prompt Engineering, Security Controls, Penetration Testing, Vulnerability Scanning, Security Strategy, AI Personalization, Scenario Testing, System Implementation
Intermediate · Course · 1 - 4 Weeks
University of Leeds
Skills you'll gain: Planning, General Science and Research, Analytical Skills, Data Science, Communication, Technical Communication, Record Keeping, Critical Thinking, Analysis, Personal Development
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Security Information and Event Management (SIEM), Splunk, Threat Detection, System Monitoring, Cybersecurity, Security Management, Event Monitoring, Incident Response, Data Analysis Software, Information Management, Data Management, Data Storage, Configuration Management, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Stanford University
Skills you'll gain: Healthcare Ethics, Pharmaceuticals, Health Systems, Healthcare Industry Knowledge, Managed Care, Health Care, Medical Billing, Health Care Administration, Health Care Procedure and Regulation, Medicaid, Medicare, Health Policy, Hospital Experience, Value-Based Care
Beginner · Course · 1 - 3 Months