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: Authentications, Secure Coding, Cryptography, Application Security, Web Applications, Javascript, Identity and Access Management, Node.JS, Security Awareness
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Oracle Databases, Data Migration, Oracle Cloud, Database Administration, Data Import/Export, Database Development, Database Architecture and Administration, Application Development, Database Management, Performance Tuning, Disaster Recovery, SQL, Cloud Infrastructure, Identity and Access Management, Scalability, Encryption
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Microservices, Cloud Infrastructure, Application Deployment, Cloud Deployment, Site Reliability Engineering, Cloud Security, Network Architecture, Restful API, Google App Engine, Continuous Deployment, Cloud Computing Architecture, Devops Tools, Kubernetes, Infrastructure Architecture, IT Security Architecture, API Design, Google Cloud Platform, Network Planning And Design, Cloud Computing
Advanced · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: AWS Identity and Access Management (IAM), Identity and Access Management, Amazon Web Services, Cloud Computing, Cloud Security, Cloud Services, Cloud Infrastructure, User Provisioning, Role-Based Access Control (RBAC), Cloud Technologies, Cloud Platforms, Cloud Deployment, Amazon Elastic Compute Cloud, Authorization (Computing), Solution Architecture
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Elastic Compute Cloud, Amazon Web Services, Performance Tuning, Cloud Infrastructure, Computing Platforms, Infrastructure As A Service (IaaS), Cloud Services, Capacity Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Solution Architecture, Cloud Computing Architecture, Infrastructure Architecture, Identity and Access Management, Organizational Structure, Cloud Solutions, Continuous Monitoring, Account Management
Intermediate · Guided Project · Less Than 2 Hours

Codio
Skills you'll gain: User Accounts, Unix Commands, Unix, Unix Shell, Command-Line Interface, User Provisioning, OS Process Management, File Systems, Linux, Ubuntu, Linux Commands, Operating Systems, Systems Administration, Operating System Administration, Authorization (Computing), Shell Script, File Management, Data Storage
Beginner · Course · 1 - 4 Weeks

The Expert Academy
Skills you'll gain: Enterprise Sales, B2B Sales, Loyalty Programs, Customer Success Management, Closing (Sales), Overcoming Objections, Customer Retention, Selling Techniques, Procurement, Negotiation, Customer Relationship Management, Brand Loyalty, Price Negotiation, Customer Relationship Management (CRM) Software, Sales Strategy, Customer experience strategy (CX), Customer experience improvement, Sales Management, Sales, Stakeholder Engagement
Intermediate · Course · 1 - 3 Months
University of California San Diego
Skills you'll gain: Usability, User Interface and User Experience (UI/UX) Design, Graphic and Visual Design, Usability Testing, Web Design, User Interface (UI) Design, Digital Design, Experimentation, Interaction Design, Human Computer Interaction, Prototyping, Design Elements And Principles, Layout Design, Human Centered Design, Web Design and Development, Research Design, Typography, A/B Testing
Beginner · Course · 1 - 4 Weeks

Georgia Institute of Technology
Skills you'll gain: Structural Analysis, Structural Engineering, Engineering Analysis, Mechanical Engineering, Mechanics, Engineering, Engineering Calculations, Engineering Practices
Mixed · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Target Audience, Campaign Management, Direct Marketing, Marketing Strategy and Techniques, Marketing Effectiveness, Advertising Mail, Data-Driven Marketing, Campaign Planning, Personalized Campaigns, Responsive Web Design, Consumer Behaviour, Marketing Analytics, Performance Measurement, Information Privacy, Law, Regulation, and Compliance
Mixed · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Business Valuation, Financial Modeling, Revenue Forecasting, Microsoft PowerPoint, Financial Statements, Financial Analysis, Oral Expression, Auditing, Sales Presentations, Verbal Communication Skills, Financial Auditing, Financial Forecasting, Presentations, Productivity Software, Investment Banking, Equities, Forecasting, Corporate Finance, Microsoft Excel, Data Analysis
Intermediate · Specialization · 3 - 6 Months