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.

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Policy, Health Informatics, Biostatistics, Infectious Diseases, Health Information Management, Program Evaluation, Descriptive Analytics, Statistical Methods
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Test Driven Development (TDD), Version Control, Git (Version Control System), GitHub, Performance Tuning, Unit Testing, Test Script Development, Data Structures, Java Programming, Algorithms, Software Testing, Java, Test Automation, Software Development, Scalability
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Java Programming, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Data Storytelling, Data Presentation, Storytelling, Microsoft Excel, Data Visualization, Data Analysis, Data Compilation, Data Cleansing, Data Import/Export, ChatGPT, Statistical Reporting, Data Integration, Data Transformation, Data Validation, Exploratory Data Analysis, Unstructured Data, Prompt Engineering, AI Integrations, Data Quality, Data Integrity
Beginner · Course · 1 - 4 Weeks

Technical University of Munich (TUM)
Skills you'll gain: Cost Accounting, Management Accounting, Operating Cost, Cost Control, Cost Estimation, Cost Management, Cost Benefit Analysis, Strategic Decision-Making, Profit and Loss (P&L) Management, Accounting, Product Assortment, Capacity Management, Decision Making, Capacity Planning, Forecasting
Intermediate · Course · 1 - 4 Weeks

Knowledge Accelerators
Skills you'll gain: Microsoft Copilot, Microsoft 365, Microsoft Teams, Microsoft Office, Data Visualization, Productivity Software, AI literacy, Microsoft Excel, Artificial Intelligence, Technical Communication, Generative AI, Microsoft Word, Microsoft PowerPoint, Generative AI Agents, Productivity, Excel Formulas, Data Analysis, Data-Driven Decision-Making, Data Management, Communication
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Systems Architecture, Software Architecture, Embedded Software, Software Design, System Design and Implementation, Embedded Systems, Performance Tuning, Systems Analysis, Electronic Hardware, Hardware Design, Electronic Systems, Systems Design, Hardware Architecture, Electrical and Computer Engineering, Requirements Analysis, System Programming, Reliability, Operating Systems, Service Level
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Excel Macros, Microsoft Excel, Data Manipulation, Advanced Analytics, Visual Basic (Programming Language), Data Analysis, Productivity Software, Debugging, Spreadsheet Software, Automation, Strategic Decision-Making, Scripting, User Interface (UI)
Beginner · Course · 1 - 4 Weeks
Rice University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Inference, Business Analytics, Microsoft Excel, Model Evaluation, Estimation, Data Analysis, Analytics, Data Transformation
Mixed · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Secure Coding, Software Design, System Design and Implementation, Programming Principles, Security Engineering, Program Development, Vulnerability Assessments, C (Programming Language), Software Development Methodologies
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Package and Software Management, Bash (Scripting Language), Git (Version Control System), GitHub, Version Control, Unix Shell, Ubuntu, Shell Script, Scripting, Unix, Scripting Languages, Unix Commands, Linux, System Configuration, grep, Linux Administration, Linux Commands, File Management, File I/O, Software Installation
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Climate Change Mitigation, Climate Change Programs, Risk Management, Climate Change Adaptation, Mitigation, Risk Mitigation, Environmental Policy, Environmental Issue, Corporate Sustainability, Pollution Prevention, Environmental Resource Management, Persuasive Communication, Interpersonal Communications, Media and Communications, Social Sciences, Social Impact, Sustainable Systems, Scientific Methods, Energy and Utilities, Vulnerability
Beginner · Specialization · 1 - 3 Months