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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Operating Systems, Operating System Administration, Memory Management, OS Process Management, System Software, System Programming, Command-Line Interface, Linux Administration, File Systems, System Monitoring, Performance Tuning, Package and Software Management, Systems Architecture, File Management, Algorithms, Cloud Platforms, User Accounts, Security Controls, Data Sharing
★ 4.8 (12) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Deployment, Model Training, Amazon Web Services, Cloud Deployment, Computer Vision, Cloud Computing, Machine Learning
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: Diagram Design, Data Import/Export, Collaborative Software, Technical Communication, Technical Documentation, User Accounts
★ 4.8 (32) · Beginner · Guided Project · Less Than 2 Hours

Tecnológico de Monterrey
Skills you'll gain: Web Analytics, Search Engine Marketing, Digital Analysis, Marketing Analytics, Digital Marketing Campaigns, Market Research, Digital Marketing, Data-Driven Marketing, Customer Analysis, Search Engine Optimization, Analytical Skills, Online Advertising, Email Marketing, Customer Data Management, Marketing Effectiveness, Market Intelligence, Customer Insights, Consumer Behaviour, Customer Relationship Management (CRM) Software, Digital Advertising
★ 4.9 (38) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Software Quality Assurance, Software Quality (SQA/SQC), Quality Assurance, Test Automation, Software Testing, Test Tools, Security Testing, Verification And Validation, Browser Compatibility, Agile Methodology, Selenium (Software), Performance Testing, Test Script Development, Software Development Life Cycle, Application Security, Agile Software Development, DevOps, Development Testing, Scaled Agile Framework, Cyber Security Assessment
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Lakes, Data Access, Query Languages, Google Cloud Platform, Big Data, Identity and Access Management, Database Administration, Cloud Storage, Data Integration, Data Management
Beginner · Project · Less Than 2 Hours

Amazon Web Services
Skills you'll gain: Data-Driven Decision-Making, Data Lakes, Data Storage Technologies, Analytics, Data Architecture, Data Warehousing, Data Management, Data Analysis, Big Data, Data Storage, Amazon Web Services, Machine Learning
★ 4.5 (66) · Mixed · Course · 1 - 4 Weeks

University of Pittsburgh
Skills you'll gain: NumPy, Matplotlib, Plot (Graphics), Linear Algebra, Pandas (Python Package), Data Manipulation, Applied Mathematics, Python Programming, Data Analysis, Data Science, Mathematical Software, Regression Analysis, Data Visualization Software, Mathematics and Mathematical Modeling, Probability & Statistics, Numerical Analysis, Mathematical Modeling, Machine Learning, Computational Logic, Logical Reasoning
★ 3.9 (8) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Timelines, Organizational Skills, Project Schedules, Scheduling, Project Coordination, Time Management, Project Management Software, Project Management, Delegation Skills, Workflow Management, Data Visualization, Team Management, Dependency Analysis
★ 4.7 (38) · Beginner · Guided Project · Less Than 2 Hours

Microsoft
Skills you'll gain: Retrieval-Augmented Generation, Agentic Workflows, AI Workflows, AI Orchestration, AI Integrations, Responsible AI, Regulatory Compliance, Context Management
★ 2.8 (6) · Intermediate · Course · 1 - 4 Weeks

FAIR Institute
Skills you'll gain: Cyber Governance, Risk Analysis, Cyber Risk, Risk Modeling, Cyber Security Strategy, Cybersecurity, Governance, Governance Risk Management and Compliance, Risk Management Framework, Risk Management, Business Priorities, Strategic Decision-Making, Risk Mitigation, Business Risk Management, Strategic Prioritization, Compliance Reporting, Management Reporting, Strategic Leadership, Business Communication
★ 4.5 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Salesforce, Administration, Role-Based Access Control (RBAC), Data Sharing, User Provisioning, Systems Administration, Security Controls, Data Access, User Accounts, System Configuration, Workflow Management, Data Validation, Identity and Access Management, Information Architecture, Calendar Management, Data Integrity, Data Quality, Customer Relationship Management (CRM) Software
Beginner · Course · 1 - 3 Months