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.

Coursera
Skills you'll gain: Extract, Transform, Load, Data Pipelines, Geospatial Information and Technology, Apache Airflow, Geospatial Mapping, Spatial Data Analysis, GIS Software, Cloud Computing, Geographic Information Systems, Leaflet (Software), Google Cloud Platform, Real Time Data, Global Positioning Systems, Data Transformation, Data Analysis, Anomaly Detection, Technical Communication, Machine Learning
Beginner · Course · 3 - 6 Months

Rice University
Skills you'll gain: Capital Budgeting, Financial Statements, Cash Flows, Probability & Statistics, Accounting, Bookkeeping, Finance, Financial Statement Analysis, Microsoft Excel, Descriptive Statistics, Box Plots, Fiscal Management, Statistical Methods, Probability Distribution, Financial Accounting, Income Statement, Statistical Visualization, Data Visualization, Financial Analysis, Data Analysis
★ 4.8 (3K) · Beginner · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: User Story, Agile Software Development, Software Design Patterns, Design Thinking, Software Development Methodologies, Software Design, Agile Methodology, Agile Project Management, Process Mapping, Software Engineering, Kanban Principles, Kaizen Methodology, Software Development Life Cycle, Software Quality Assurance, Agile Product Development, Application Security, Security Architecture Review, Scrum (Software Development), Object Oriented Design, Software Architecture
★ 4.7 (9.8K) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Selenium (Software), Postman API Platform, JUnit, Test Automation, API Testing, Software Quality Assurance, Test Tools, Test Script Development, Quality Assurance, Unit Testing, Software Testing, Continuous Integration, Automation, Data Validation, Performance Testing, Test Case, Agile Methodology, Integration Testing, Debugging, Javascript
★ 4.7 (70) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Virtual Machines, Cloud Security, Public Cloud, Amazon Web Services, Scalability, Virtual Networking, Private Cloud, Cloud Computing Architecture, Cloud Platforms, Cloud Computing, Cloud Infrastructure, Cloud Services, Cloud Deployment
★ 4.4 (172) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Retrieval-Augmented Generation, Vector Databases, Data Migration, Performance Tuning, Agentic systems, Generative AI, Generative Model Architectures, Model Deployment, AI Security, Containerization, Large Language Modeling, Embeddings, Role-Based Access Control (RBAC), System Monitoring
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Data Quality, Exploratory Data Analysis, Data Presentation, Employee Onboarding, Data Management, Statistical Reporting, Team Motivation, Technical Communication, Data Analysis, Project Management, Interviewing Skills, Data Science, New Hire Orientations, Data-Driven Decision-Making, Data Strategy, Organizational Leadership, Team Management, Data Literacy, Leadership, Communication
★ 4.5 (11K) · Beginner · Specialization · 1 - 3 Months

Yonsei University
Skills you'll gain: Wireless Networks, Telecommunications, Mobile Development, Apple iOS, Display Devices, Business Planning, iOS Development, Product Planning, Android (Operating System), Company, Product, and Service Knowledge, Communication Systems, Business Strategy, Business Strategies, Network Analysis, Network Performance Management, Emerging Technologies, Operating Systems, Knowledge of Apple Hardware, System Software, Market Intelligence
★ 4.7 (488) · Beginner · Course · 1 - 3 Months
Amazon Web Services
Skills you'll gain: Generative AI, Generative AI Agents, Amazon Bedrock, Agentic systems, AI Product Strategy, Responsible AI, Agentic Workflows, AI Integrations, LLM Application, Application Programming Interface (API), Application Development, Amazon Web Services, Data Governance, Commercialization, Cost Management, Personally Identifiable Information, Cost Containment, Cost Control, Model Training, Compliance Management
★ 4.6 (32) · Beginner · Course · 1 - 4 Weeks

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Building Information Modeling, Internet Of Things, Data Infrastructure, Infrastructure Architecture, Sustainable Technologies, Energy and Utilities, Network Infrastructure, Water Sustainability, AI Security, Facility Management, Water Resource Management, Security Controls, Real Time Data, Wireless Networks, Interoperability, Sustainable Architecture, Decision Intelligence, AI Enablement, Dashboard, Traffic Flow Optimization
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Balance Sheet, Financial Statements, Management Accounting, Performance Measurement, Income Statement, Financial Statement Analysis, Cost Accounting, Capacity Management, Operating Cost, Financial Reporting, Asset Management, Organizational Strategy, Performance Analysis, Financial Accounting, Operational Analysis, Financial Analysis, Budgeting, Operating Budget, Business Metrics, Cost Control
★ 4.6 (2.1K) · Beginner · Specialization · 3 - 6 Months

Amazon Web Services
Skills you'll gain: Prompt Engineering, Amazon Bedrock, Responsible AI, Infrastructure as Code (IaC), Amazon CloudWatch, Application Deployment, Amazon Elastic Compute Cloud, CI/CD, AWS CloudFormation, Unit Testing, Continuous Deployment, Cloud Deployment, Amazon Web Services, DevOps, Devops Tools, DevSecOps, Code Review, Serverless Computing, Containerization, Data Analysis
★ 4.6 (51) · Beginner · Specialization · 1 - 3 Months