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.

New York University
Skills you'll gain: Security Engineering, Threat Modeling, Distributed Denial-Of-Service (DDoS) Attacks, Cyber Attacks, Cybersecurity, Threat Management, Cyber Risk, Cyber Security Assessment, Information Systems Security, Network Security, Computer Security, Exploitation techniques, Risk Management Framework, Cryptography, Data Integrity
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Environmental Monitoring, Geospatial Information and Technology, Scientific Visualization, Geospatial Mapping, Data Visualization, Spatial Data Analysis, Geographic Information Systems, Data Presentation, Process Development, Environmental Science, Image Analysis, Environment, Data Manipulation, Time Series Analysis and Forecasting, Technical Communication, Data Analysis, Data Transformation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Gateway, Serverless Computing, Cloud API, Restful API, Node.JS, Microsoft Azure, Application Programming Interface (API), API Design, API Testing, Software Testing, Network Routing
Beginner · Guided Project · Less Than 2 Hours

Google Cloud
Skills you'll gain: Identity and Access Management, Kubernetes, Google Cloud Platform, Virtual Machines, Cloud Applications, Cloud Development, Microsoft Azure, Load Balancing, Cloud Engineering, Cloud-Native Computing, Cloud Computing Architecture, Azure Active Directory, Virtualization and Virtual Machines, Cloud Storage, Public Cloud, Cloud Platforms, Multi-Cloud, Cloud Infrastructure, Infrastructure As A Service (IaaS), Cloud Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Administration, General Networking, Network Routing, Virtualization and Virtual Machines, Computer Networking, Virtual Machines, Network Monitoring, Network Model, Networking Hardware, Local Area Networks
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Cryptographic Protocols, Encryption, Data Integrity, Cybersecurity, Computer Security, Information Assurance, Authentications, Data Security, Theoretical Computer Science, Public Key Cryptography Standards (PKCS), Threat Modeling, Communication Systems, Algorithms, Digital Communications
Intermediate · Specialization · 3 - 6 Months

Rice University
Skills you'll gain: Communication Planning, Stakeholder Management, Organizational Structure, Project Documentation, Stakeholder Engagement, Project Management, Engineering Management, Project Management Life Cycle, Project Coordination, Stakeholder Analysis, Project Scoping, Program Evaluation, Stakeholder Communications, Planning, Project Planning, Cost Benefit Analysis, Requirements Management, Project Performance, Financial Analysis, Project Management Institute (PMI) Methodology
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Risk Mitigation, People Analytics, Project Planning, Risk Analysis, Project Risk Management, Dashboard Creation, Data Import/Export, Human Resources Software, HR Tech, Project Coordination, Risk Management, Data Manipulation, Data Wrangling, Data Processing, Workforce Planning, Milestones (Project Management), Timelines, Data Preprocessing, Data Pipelines, Information Technology
Advanced · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Security Strategy, Cyber Governance, Threat Management, Security Management, Cyber Risk, Compliance Management, Risk Management, Regulatory Compliance, Cyber Security Policies, Cybersecurity, Law, Regulation, and Compliance, Cyber Security Strategy, Governance, Security Controls, Procedure Development, Regulation and Legal Compliance, Program Standards
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Storyboarding, User Experience Design, Design Reviews, Figma (Design Software), UI/UX Research, Graphic and Visual Design, Wireframing, User Story, Usability Testing, Information Architecture, Mockups, Adobe XD, User Experience, Ideation, Persona (User Experience), Web Presence, Responsive Web Design, Graphic and Visual Design Software, Layout Design, Design Elements And Principles
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Storytelling, Presentations, Rmarkdown, Data Presentation, Data Cleansing, Data Visualization, Ggplot2, Data Validation, Spreadsheet Software, Data Visualization Software, Data Ethics, Data Analysis, Interactive Data Visualization, Data-Driven Decision-Making, Tableau Software, Data Processing, Dashboard, Business Analysis, Stakeholder Communications, File Management
Beginner · Professional Certificate · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Generative AI Agents, Retrieval-Augmented Generation, Prompt Engineering, Generative AI, AI Workflows, Agentic Workflows, LLM Application, Amazon Web Services, Context Management, Agentic systems
Beginner · Course · 1 - 4 Weeks