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: Network Troubleshooting, OSI Models, Wireless Networks, Network Security, Network Protocols, TCP/IP, Network Administration, General Networking, Network Model, Network Infrastructure, Computer Networking, Network Architecture, Network Routers, Routing Protocols, Cloud Computing, Networking Hardware, Local Area Networks, Command-Line Interface, Cybersecurity, Cloud Solutions
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Cybersecurity, Endpoint Security, Network Security, Cyber Attacks, Encryption, Cyber Security Assessment, Application Security, Cyber Security Policies, Penetration Testing, Data Security, Firewall, Cryptography, Intrusion Detection and Prevention, Security Awareness, Security Software, Mobile Security, Email Security, Information Assurance, Human Factors (Security)
Beginner · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Mergers & Acquisitions, Intercompany Accounting, Equities, Corporate Accounting, Investment Banking, Investments, Technical Accounting, Specialized Accounting, Financial Accounting, Business Valuation, Accounting, Financial Reporting, Consolidation, Financial Statements
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Prompt Engineering, Google Gemini, Responsible AI, Generative AI Agents, Retrieval-Augmented Generation, Gemini, Generative AI, AI Product Strategy, Google Workspace, AI Enablement, Generative Model Architectures, Prompt Engineering Tools, Google Cloud Platform, AI literacy, AI Security, Large Language Modeling, Data Ethics, Artificial Intelligence, Cloud Computing, Collaboration
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Docker (Software), Containerization, CI/CD, R Programming, Application Deployment, Development Environment, Software Installation, Data Persistence
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Retail Management, Retail Store Operations, Retail Sales, Merchandising, Customer Analysis, Market Intelligence, Business Strategies, Competitive Analysis, Business Management, Organizational Strategy, Consumer Behaviour, Inventory Management System, Market Analysis, Case Studies, Market Share, Strategic Decision-Making, Sustainable Business, Intellectual Property, Financial Analysis, Geographic Information Systems
Beginner · Specialization · 1 - 3 Months

Macquarie University
Skills you'll gain: Data Security, Security Testing, Threat Detection, Cyber Threat Intelligence, Cyber Attacks, Cyber Risk, Cyber Security Strategy, AI Integrations, Intrusion Detection and Prevention, Cyber Threat Hunting, Data Management, Cybersecurity, Cyber Governance, Artificial Intelligence and Machine Learning (AI/ML), Security Management, Security Awareness, Security Strategy, AI Product Strategy, Security Software, Generative AI
Beginner · Specialization · 3 - 6 Months

Microsoft
Skills you'll gain: Earned Value Management, Project Schedules, Excel Formulas, Procurement, Scheduling, Capital Budgeting, Financial Analysis, Project Performance, Spreadsheet Software, Cost Management, Cost Benefit Analysis, Microsoft Excel, Microsoft Office, Investment Management, Project Management Institute (PMI) Methodology, Feasibility Studies, Return On Investment, Variance Analysis, Forecasting
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Oracle Databases, Data Import/Export, Identity and Access Management, Data Integration, Google Cloud Platform, Role-Based Access Control (RBAC), Query Languages, SQL, Database Management, Database Design, Big Data, Database Architecture and Administration, Data Sharing, Data Modeling, Data Security, Real Time Data
Intermediate · Course · 1 - 3 Months

Skills you'll gain: AI Security, AI Integrations, Agentic Workflows, Responsible AI, AI Orchestration, Authorization (Computing), JSON, Agentic systems, Context Management, Requirements Elicitation
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Product Support, Google Cloud Platform, Technical Support and Services, Help Desk Support, Cloud Management, Technical Support, Cloud Services, Identity and Access Management, Service Level, Technical Communication, Data Loss Prevention, Issue Tracking, Technical Documentation, Incident Management
Beginner · Course · 1 - 4 Weeks

Pohang University of Science and Technology(POSTECH)
Skills you'll gain: Blockchain, FinTech, Market Trend, Cryptography, Digital Assets, Payment Systems, Financial Market, Cryptographic Protocols, Financial Systems, Key Management, Financial Services, Market Analysis, Technical Standard
Intermediate · Course · 1 - 3 Months