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.

Infosec
Skills you'll gain: OSI Models, Network Troubleshooting, Network Administration, General Networking, Network Monitoring, Network Infrastructure, Network Security, TCP/IP, Virtual Networking, Local Area Networks, Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), Wireless Networks, Networking Hardware, Disaster Recovery, Network Protocols, Network Switches, Cloud Services
Mixed · Course · 1 - 3 Months
University of London
Skills you'll gain: Descriptive Statistics, Probability & Statistics, Exploratory Data Analysis, Statistical Methods, Statistical Hypothesis Testing, Data Visualization, Operations Research, Data-Driven Decision-Making, Statistical Modeling, Data Analysis, Probability, Probability Distribution, Statistical Analysis, Sampling (Statistics), Risk Modeling, Statistical Inference, Mathematical Modeling, Decision Tree Learning, Regression Analysis
★ 4.6 (1.5K) · Beginner · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Backlogs, Agile Methodology, Scrum (Software Development), User Story, Sprint Retrospectives, Sprint Planning, Agile Software Development, Agile Project Management, Agile Product Development, Acceptance Testing, Estimation
★ 4.7 (2.3K) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Security, Network Security, Information Systems Security, Cloud Security, Cybersecurity, System Monitoring, Internet Of Things, Network Monitoring, Cyber Attacks, Mobile Security, Cryptography, Information Privacy, Authorization (Computing), Wireless Networks, Authentications, Data Storage, Patch Management, Operating Systems, Cloud Services, Cloud Platforms
★ 4.7 (17) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Trend Analysis, Market Trend, Time Series Analysis and Forecasting, Data Presentation, Data-Driven Decision-Making, Data Visualization, Strategic Decision-Making, Data Storytelling, Market Analysis, Analytical Skills, Data Analysis, Market Research, Business Analytics, Market Data, Forecasting
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: English Language, Language Competency, Language Learning, Grammar, Literacy, Vocabulary
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Reinforcement Learning, Deep Learning, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, Model Optimization, Fine-tuning, Agentic systems, Artificial Neural Networks, Machine Learning, Model Training, Machine Learning Algorithms, Data Analysis
Advanced · Course · 1 - 3 Months

Coursera
Skills you'll gain: Data Import/Export, Data Cleansing, Data Preprocessing, Data Analysis, Data Quality, Human Resources Information System (HRIS), Data Ethics, Data Validation, Microsoft Excel, Data Integrity, Verification And Validation, AI Workflows, Relational Databases, Project Documentation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: ArcGIS, GIS Software, Spatial Data Analysis, Data Visualization, Geographic Information Systems, Geospatial Information and Technology, Geospatial Mapping, Spatial Analysis, Data Import/Export, Data Mapping, Data Integration, Data Management
★ 4.5 (13) · Intermediate · Guided Project · Less Than 2 Hours

L&T EduTech
Skills you'll gain: Autodesk Revit, Design Reviews, Building Information Modeling, Visualization (Computer Graphics), Construction Management, Augmented and Virtual Reality (AR/VR), Construction, Virtual Reality, Engineering Analysis, Construction Estimating, Facility Management and Maintenance, Autodesk, Collaborative Software, Structural Analysis, Emerging Technologies, Drafting and Engineering Design, Coordination, Computer-Aided Design, Structural Engineering, As-Built Drawings
★ 4.5 (161) · Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Developing Training Materials, Training Programs, User Feedback, Employee Training, Drive Engagement, End User Training and Support, Training and Development, Driving engagement, Meeting Facilitation, Knowledge Transfer, Employee Onboarding, Product Demonstration, Technical Documentation, Technical Support, Document Management, Document Control, Continuous Improvement Process, Software Development Life Cycle
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Sampling (Statistics), Bayesian Statistics, Probability & Statistics, Statistical Inference, Statistical Methods, Statistics, Probability, Probability Distribution, Data Analysis, Statistical Analysis, Biostatistics, Statistical Hypothesis Testing, R Programming
★ 4.4 (544) · Mixed · Course · 1 - 4 Weeks