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.

Skills you'll gain: Azure Active Directory, Authentications, Authorization (Computing), Microsoft Azure, Identity and Access Management, Active Directory, User Provisioning, Role-Based Access Control (RBAC), Enterprise Application Management, Single Sign-On (SSO), User Accounts, Cloud Security, Security Engineering, Multi-Factor Authentication
★ 4.1 (12) · Intermediate · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Credit Risk, Corporate Finance, Mergers & Acquisitions, Financial Management, Risk Management, Cash Management, Financial Market, Equities, Financial Policy, Derivatives, Private Equity, Investment Banking, Cash Flows, Financial Analysis, Governance, Commercial Lending
★ 4.8 (894) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Restful API, Web Services, Java Platform Enterprise Edition (J2EE), Software Design, Java, Application Programming Interface (API), API Design, Web Applications, Object Oriented Design, Software Design Patterns, Software Architecture, Command-Line Interface
★ 4.3 (16) · Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Pandas (Python Package), Bash (Scripting Language), Version Control, Jupyter, Linux Commands, Git (Version Control System), Shell Script, Linux, Web Scraping, Linux Administration, Data Manipulation, MySQL, Microservices, AWS SageMaker, SQL, JSON, Command-Line Interface, Python Programming, Big Data, Data Science
★ 4.5 (482) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Microsoft Azure, Internet Of Things, Cloud Services, Network Routing, Data Store, Data Storage, Cloud Solutions, Data Storage Technologies
★ 4.5 (20) · Intermediate · Guided Project · Less Than 2 Hours

University of Illinois Urbana-Champaign
Skills you'll gain: Internet Of Things, Embedded Software, Security Controls, Wireless Networks, Network Protocols, Infrastructure Security, Local Area Networks, Emerging Technologies, Data Science, Embedded Systems, Network Infrastructure, General Networking, Network Planning And Design, Amazon Web Services, Communication Systems, Health Technology, Cloud Platforms, Digital Communications, Computing Platforms, Computer Hardware
★ 4.7 (529) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vulnerability Assessments, Vulnerability Management, Network Security, Metasploit, Penetration Testing, Network Administration, Software Installation, System Configuration, Cyber Security Policies, Web Applications, Authentications, Linux
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Generative AI, Google Gemini, AI literacy, Google Cloud Platform, Artificial Intelligence and Machine Learning (AI/ML)
★ 4.7 (50) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Intune (Mobile Device Management Software), Endpoint Security, Cyber Security Policies, Microsoft Windows, Enterprise Security, Mobile Security, Endpoint Detection and Response, Operating System Administration, Security Management, Android (Operating System), Patch Management, Microsoft Azure, System Configuration, System Monitoring, Vulnerability Management, Virtual Private Networks (VPN), Apple iOS, Remote Access Systems, Configuration Management
★ 4.9 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Open Web Application Security Project (OWASP), Cyber Attacks, Cybersecurity, Security Requirements Analysis, Security Testing, Vulnerability Assessments, Software Design, Encryption, Vulnerability Management, Security Controls, Data Security, Cryptography, Continuous Monitoring, Authentications, Development Testing, System Monitoring
★ 5 (6) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Group Policy, Azure Active Directory, Active Directory, Microsoft Servers, Windows Servers, Hybrid Cloud Computing, Authentications, Identity and Access Management, Infrastructure As A Service (IaaS), Cloud Deployment, Cloud-Based Integration, Disaster Recovery, System Configuration
★ 4.3 (6) · Intermediate · Course · 1 - 4 Weeks
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