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.

University of Colorado Boulder
Skills you'll gain: Data Ethics, Data Visualization, Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Security, Data Presentation, User Centered Design, Technical Communication, Cybersecurity, Healthcare Ethics, Cyber Attacks, Usability, Statistical Reporting, Computer Security, Data Storytelling, Ethical Standards And Conduct, Medical Science and Research, Information Privacy, Analysis
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Operating System Administration, Local Area Networks, Software Installation, Command-Line Interface, Microsoft Windows, System Configuration, Systems Administration, TCP/IP, Linux Administration, Linux, General Networking, Patch Management, Operating Systems, User Accounts, Network Routers, System Monitoring, Network Troubleshooting, Mac OS, Identity and Access Management, Network Security
Intermediate · Course · 1 - 3 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Image Analysis, Applied Machine Learning, Unsupervised Learning, Geospatial Information and Technology, Machine Learning Methods, Image Quality, Feature Engineering, Machine Learning, Dimensionality Reduction, Deep Learning, Supervised Learning, Classification Algorithms, Probability & Statistics, Artificial Neural Networks
Intermediate · Course · 3 - 6 Months

Universidad de los Andes
Skills you'll gain: Data Visualization, Exploratory Data Analysis, Statistical Hypothesis Testing, Statistical Visualization, Correlation Analysis, Data Visualization Software, Data Science, Jupyter, Data Analysis, Business Analytics, Statistical Methods, Statistical Analysis, Probability & Statistics, Statistics, Python Programming, Descriptive Statistics, Statistical Inference, Data Modeling, Statistical Modeling, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Meta Ads Manager, A/B Testing, Data-Driven Marketing, Marketing Analytics, Advertising Campaigns, Campaign Management, Data Presentation, Presentations, Online Advertising, Marketing Effectiveness, Content Performance Analysis, Paid media, Social Media Campaigns, Advertising, Marketing Strategies, Conversion Funnel Analysis, Social Media Marketing, Facebook, Data-Driven Decision-Making, Data Analysis
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Google Cloud Platform, Cloud Management, Cloud Computing, Cloud Services, Public Cloud, Cloud Infrastructure, Cloud Platforms, Command-Line Interface
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Hardware Troubleshooting, Information Systems Security, Information Technology, Security Software, Malware Protection, Data Security, Encryption, Security Awareness, Endpoint Security, Authentications, Patch Management, Technical Support, Firewall, Data Integrity
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Display Devices, Computer Displays, Systems Design, Electrical Engineering, Technical Design, Electronics, Electronics Engineering, Electrical and Computer Engineering, Engineering, Scientific, and Technical Instruments, Hardware Design, Electronic Hardware, electromagnetics, Materials science, Electronic Components, Image Quality, Technology Solutions, Engineering Calculations, Mathematical Modeling, Physics
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Infrastructure as Code (IaC), Continuous Integration, Devops Tools, Docker (Software), Microsoft Azure, DevOps, Application Deployment, GitHub, Continuous Deployment, Cloud Deployment, Containerization, Git (Version Control System), Infrastructure As A Service (IaaS), YAML, Cloud Computing, Data Sharing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Google Cloud Platform, Generative AI, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), MLOps (Machine Learning Operations), AI literacy, Artificial Intelligence, AI Workflows, Cloud Infrastructure, Agentic systems, Applied Machine Learning, Model Training, Model Deployment, Machine Learning, Predictive Modeling, No-Code Development
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Financial Analysis, Financial Statement Analysis, Finance, Accounting, Financial Accounting, Business Valuation, General Accounting, Financial Acumen, Financial Statements, Financial Management, Balance Sheet, Corporate Finance, Income Statement, Accounting Records, Entrepreneurial Finance, Risk Analysis, Cash Flows, Equities, Organizational Structure, Governance
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Detection, Cyber Threat Intelligence, Threat Management, Vulnerability Assessments, Incident Response, Vulnerability Scanning, Cyber Security Assessment, Penetration Testing, Vulnerability Management, Cybersecurity, Incident Management, Cyber Security Policies, Security Strategy, Risk Mitigation, Emergency Response, Network Analysis, Technical Writing
Intermediate · Course · 1 - 4 Weeks