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.

Check Point Software Technologies Ltd.
Skills you'll gain: Endpoint Security, Endpoint Detection and Response, Threat Detection, Malware Protection, Security Management, Cybersecurity, Cyber Security Policies, Cyber Attacks, Remote Access Systems, Zero Trust Network Access, Application Deployment, Network Protocols, Software Installation, Infrastructure Architecture, Communication Systems, Package and Software Management, Linux, Software Versioning
★ 4.7 (16) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Microsoft Azure, Virtual Machines, Data Storage Technologies, Cloud Storage, Cloud Computing, Virtualization and Virtual Machines, Disaster Recovery, Cloud Management, Cloud Infrastructure, Cloud Services
★ 4.8 (33) · Beginner · Guided Project · Less Than 2 Hours

LearnKartS
Skills you'll gain: Project Management, Project Management Office (PMO), Project Implementation, Process Management, Project Planning, Interpersonal Communications
★ 4.6 (347) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Integral Calculus, Basic Electrical Systems
★ 4.7 (134) · Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Public Health and Disease Prevention, Simulations, Systems Analysis, Data Analysis Software
★ 4.6 (1.2K) · Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Focus Group, Qualitative Research, Surveys, Discussion Facilitation, Survey Creation, Market Research, Research, Research Reports, Recruitment, Research Methodologies, Interviewing Skills, Recruitment Strategies, Report Writing, Sample Size Determination
★ 4.6 (474) · Intermediate · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon CloudWatch, Cloud Infrastructure, Cloud Management, Amazon Web Services, Amazon S3, Cloud Hosting, Cloud Computing, Amazon Elastic Compute Cloud, Data Migration, Cloud Security, Virtual Networking, MySQL, Systems Administration, Database Management, Network Architecture, Network Security, Configuration Management, Resource Management, Performance Analysis
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Program Evaluation, Course Development, Web Content Accessibility Guidelines, Educational Materials, Multimedia, Instructional Design, Learning Theory, Design, Disabilities, Education Software and Technology, Professional Development, Brainstorming, Needs Assessment, Diversity Awareness, Content Creation, Motivational Skills, Diversity Equity and Inclusion Initiatives, Prototyping, Design Strategies, Student-Centred Learning
★ 4.8 (127) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Immunology, Parent Communication, Patient Education and Support, Pediatrics, Communication, Drug Development, Interpersonal Communications, Active Listening, Child Welfare, Preventative Care, Patient Advocacy, Persuasive Communication, Infectious Diseases, Infection Control, Rapport Building, Public Health and Disease Prevention, Community Health, Clinical Trials, Public Health, Mitigation
★ 4.9 (1.2K) · Beginner · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Interoperability, DevOps, Information Systems Security, Cybersecurity, Cyber Attacks, Systems Integration, Application Programming Interface (API), Application Security, Cloud-Based Integration, Cloud Computing
★ 4.8 (15) · Beginner · Course · 1 - 4 Weeks

Deep Teaching Solutions
Skills you'll gain: Student Engagement, Differentiated Instruction, Lifelong Learning, Persistence, Learning Theory, Tenacity, Problem Solving
★ 4.8 (28) · Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, User Experience Design, Vulnerability Assessments, Database Theory, Unified Modeling Language, Unit Testing, Usability, UI/UX Research, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Vulnerability Management, Data Flow Diagrams (DFDs), Relational Databases, Software Visualization, Security Software, Systems Development Life Cycle, Software Development Life Cycle
★ 4.6 (438) · Beginner · Specialization · 3 - 6 Months