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), Single Sign-On (SSO), User Accounts, Cloud Security, Security Engineering, Multi-Factor Authentication
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Data Centers, DevSecOps, Endpoint Detection and Response, Security Management, Infrastructure Security, Microsoft Servers, Threat Detection, Information Systems Security, Security Information and Event Management (SIEM), Windows Servers, System Monitoring, Payment Card Industry (PCI) Data Security Standards, Configuration Management, Virtual Machines, Disaster Recovery
Beginner · Course · 1 - 3 Months

Skills you'll gain: Networking Hardware, OSI Models, Network Architecture, Network Protocols, Network Security, TCP/IP, Computer Networking, Local Area Networks, Virtual Private Networks (VPN), Wireless Networks, Network Routing, Wide Area Networks, Network Switches, Virtual Local Area Network (VLAN), Firewall
Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Generative AI, Application Development, Google Cloud Platform, Artificial Intelligence, Machine Learning
Beginner · Course · 1 - 4 Weeks
Duke University
Skills you'll gain: Java Programming, Software Design, Debugging, Software Engineering, Javascript, Computer Programming, Event-Driven Programming, Encryption, Algorithms, Image Analysis, Web Applications, Data Processing, Statistical Analysis, Data Import/Export, Predictive Modeling, Integrated Development Environments, Data Manipulation, Data Analysis, Web Servers, Cascading Style Sheets (CSS)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Flutter (Software), Google Gemini, Generative AI Agents, LLM Application, Generative AI, Mobile Development, Google Cloud Platform
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: MITRE ATT&CK Framework, Endpoint Security, Cyber Threat Hunting, Cyber Threat Intelligence, Endpoint Detection and Response, Cloud Security, Threat Detection, Cyber Operations, Threat Management, Microsoft Copilot, Malware Protection, Security Information and Event Management (SIEM), Microsoft Azure, Vulnerability Management, Cloud Computing, Incident Response, Computer Security Incident Management, Azure Active Directory, Hybrid Cloud Computing, Incident Management
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: OpenAI, LLM Application, Generative AI Agents, Agentic systems, LangGraph, Artificial Intelligence and Machine Learning (AI/ML), Application Deployment, Tool Calling, ChatGPT, Artificial Intelligence, Cloud API, API Gateway, Cloud Development, Generative AI, Prompt Engineering, Application Programming Interface (API), Responsible AI, CI/CD, System Monitoring, User Interface (UI)
Intermediate · Specialization · 1 - 3 Months

Google Cloud
Skills you'll gain: Cloud Security, PostgreSQL, Google Cloud Platform, Authentications, Database Management, Data Security, Identity and Access Management, Key Management
Beginner · Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Cloud Management, Cloud Security, Artificial Intelligence and Machine Learning (AI/ML), Serverless Computing, Digital Transformation, Site Reliability Engineering, Network Security, Containerization, Application Programming Interface (API), Google Cloud Platform, Cloud Infrastructure, Data Governance, Hybrid Cloud Computing, Encryption, Cloud Storage, Real Time Data, Cloud Services, Data Security, Cost Management, Cloud Computing
Beginner · Specialization · 3 - 6 Months

Google Cloud
Skills you'll gain: No-Code Development, Cloud Applications, Application Design, Application Performance Management, Application Development, Authorization (Computing), Authentications, Application Lifecycle Management, Data Management, Restful API, Application Security, Scalability, Software Versioning, Automation, Data Integration, Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Linux Administration, OS Process Management, Ubuntu, System Monitoring, Network Troubleshooting, File Transfer Protocol (FTP), File Management
Beginner · Guided Project · Less Than 2 Hours