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.

Board Infinity
Skills you'll gain: Restful API, Secure Coding, Application Deployment, Web Development, API Design, Full-Stack Web Development, Security Controls, Scripting Languages, Cloud API, Software Documentation, Software Installation, Data Validation
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Experimentation, Research Design, Statistical Methods, Statistical Analysis, Data Ethics, General Science and Research, Statistical Modeling, Data Science, Data Analysis, Quantitative Research, Regression Analysis, Statistical Inference, Probability & Statistics, Mathematical Modeling, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Lead Generation, Email Automation, No-Code Development, Google Sheets, Application Deployment, Real Time Data, Customer Communications Management
Beginner · Guided Project · Less Than 2 Hours

Pearson
Skills you'll gain: Git (Version Control System), Package and Software Management, Linux Administration, Containerization, Bash (Scripting Language), Version Control, File Systems, Ubuntu, Linux Servers, Linux, Linux Commands, Docker (Software), Operating System Administration, User Accounts, Command-Line Interface, Shell Script, Ansible, Firewall, Systems Administration, Microsoft Windows
Intermediate · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Windows PowerShell, Shell Script, Scripting Languages, Scripting, IT Automation, Command-Line Interface, System Configuration, File Management, Software Installation, Configuration Management, Integrated Development Environments, Data Management
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Fundraising and Crowdsourcing, Fundraising, Goal Setting, Philanthropy, Campaign Management, Promotions and Campaigns, Drive Engagement, Content Creation, Personalized Campaigns
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: UI Components, Application Deployment, React.js, Event-Driven Programming, User Interface (UI), Web Applications, Web Development, Code Reusability, JavaScript Frameworks, Cascading Style Sheets (CSS), Javascript, Data Management, JSON, Debugging
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Containerization, YAML, Application Deployment, Scripting, Linux Commands, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Storage, Data Storage, Hybrid Cloud Computing, Data Storage Technologies, Cloud Security, Cloud Computing, Cloud Infrastructure, Performance Tuning, Business Continuity Planning, Virtual Networking, Multi-Cloud, Business Continuity, Disaster Recovery, Cloud Platforms, Virtual Private Networks (VPN), Load Balancing, Database Management, IBM Cloud, Architectural Design, Planning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cloud Deployment, Amazon Web Services, Cloud Hosting, Cloud Management, System Monitoring, Scalability, Cloud Computing, Performance Tuning, Application Lifecycle Management, Dashboard Creation, Security Controls, Data Maintenance
Advanced · Course · 1 - 4 Weeks

The Pennsylvania State University
Skills you'll gain: Geographic Information Systems, Case Studies, Climate Change Programs, Systems Thinking, Geospatial Information and Technology, Sustainable Design, Spatial Analysis, Sustainable Development, Design Strategies, Collaborative Software, Decision Intelligence, Decision Support Systems, Cultural Responsiveness
Beginner · Course · 1 - 3 Months
Starweaver
Skills you'll gain: Cyber Threat Intelligence, MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Threat Management, Information Assurance, Cybersecurity, Cyber Security Strategy, Endpoint Detection and Response, Security Information and Event Management (SIEM), Incident Response, Risk Management Framework, Technical Communication, Automation
Intermediate · Course · 1 - 3 Months