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.

Red Hat
Skills you'll gain: Ansible, Linux Commands, Linux Administration, Linux, Devops Tools, Infrastructure as Code (IaC), IT Automation, YAML, Automation, DevOps, System Configuration, Configuration Management
★ 4.7 (91) · Beginner · Course · 1 - 3 Months

Infosec
Skills you'll gain: Risk Management Framework, Federal Information Security Management Act, Systems Development Life Cycle, Cyber Risk, Security Management, Continuous Monitoring, Cyber Security Policies, Security Controls, Authorization (Computing), Information Privacy, Cyber Security Assessment, Information Systems
★ 4.6 (54) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Healthcare Ethics, Medical Equipment and Technology, Health Care Administration, Hospital Experience, Nursing Management, Nursing Administration, Health Systems, Infection Control, Medical Equipment, Intensive Care Unit, Health Administration, Medical Support, Medical Management, Telehealth, Health Informatics, Health Information Management, Patient Flow, Bed Management, Hospital Admissions, Health Technology
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Compensation Strategy, Training Programs, Compensation Management, Employee Training, Workforce Development, Compensation Analysis, Training and Development, Compensation and Benefits, Expense Management, Budget Management, Employee Performance Management, Cost Management, Workforce Planning, People Development, Budgeting, Program Evaluation, Workforce Management, Cost Control, Payroll Administration, Human Resources Information System (HRIS)
Mixed · Course · 1 - 4 Weeks
Skills you'll gain: Service Level Agreement, Software As A Service, Cloud Deployment, Cloud Services, Cloud Computing, Cloud Solutions, Cloud Applications, Service Level, Business Software, Vendor Contracts, Infrastructure As A Service (IaaS), Platform As A Service (PaaS), Collaborative Software, Product Demonstration, Growth Strategies
★ 4.6 (85) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Management and Planning, Human Resource Management, Workforce Planning, Training and Development, Human Resources, Performance Appraisal, Human Resource Strategy, Performance Management, Talent Recruitment, Employee Training, Recruitment, Recruitment Strategies, Training Programs, Employee Performance Management, Management Training And Development, Talent Acquisition, Workforce Development, Workforce Management, Human Resources Information System (HRIS), Talent Management
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Data Security, Cybersecurity, Cyber Attacks, Data Ethics, Computer Security, Authentications, Cryptography, Information Assurance, Cyber Security Policies, Authorization (Computing), Security Software, Security Controls, Cyber Security Assessment, Information Privacy, Encryption, Data Access, Security Awareness, Risk Analysis, Problem Solving, Communication
★ 3.5 (31) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: User Provisioning, Google Workspace, User Accounts, Identity and Access Management, Cloud Management, System Configuration, Configuration Management, Security Management, Security Controls
★ 4.6 (48) · Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Health Informatics, Clinical Informatics, Healthcare Project Management, Health Technology, Change Control, Health Systems, Health Policy, Informatics, Health Care, Health Assessment, Medical Records, Health Care Administration, Healthcare Industry Knowledge, Health Information Management, Clinical Leadership, Health Administration, Decision Intelligence, Decision Support Systems, Solution Design, Data Science
★ 4.4 (1K) · Beginner · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Electronic Medical Record System, Medical Privacy, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Electronic Medical Record, Telehealth, Medical Records, Patient Safety, Health Technology, Health Information Management, Clinical Informatics, Health Information Management and Medical Records, Health Informatics, Medical Equipment and Technology, Security Awareness, Desktop Support, End User Training and Support, Technical Support and Services, Medical Support, Technical Support, Customer Support
★ 4.8 (1.4K) · Beginner · Specialization · 3 - 6 Months

University of California San Diego
Skills you'll gain: Big Data, Apache Hadoop, Scalability, Data Processing, Data Science, Distributed Computing, Unstructured Data, Data Analysis, Real Time Data, Data Quality, Data Storage
★ 4.6 (11K) · Mixed · Course · 1 - 3 Months

Skills you'll gain: AI Workflows, CrewAI, Prompt Engineering, AI Orchestration, Context Engineering, Agentic Workflows, Model Context Protocol, Generative AI Agents, LLM Application, Tool Calling, Agentic systems, Role-Based Access Control (RBAC), AI Security, Artificial Intelligence and Machine Learning (AI/ML), AI Enablement, Large Language Modeling, Retrieval-Augmented Generation, Generative AI, Artificial Intelligence, Prompt Patterns
Intermediate · Specialization · 1 - 3 Months