ETL testing courses can help you learn data extraction techniques, transformation processes, and loading verification methods. You can build skills in validating data integrity, creating test cases, and automating testing workflows. Many courses introduce tools like Apache Nifi, Talend, and Informatica, that support implementing ETL processes and ensuring data quality in various applications.

Howard University
Skills you'll gain: Design Thinking, Product Design, Business Solutions, Customer Insights, User Centered Design, Information Systems, Brainstorming, User Research, Ideation, Business Transformation, Digital Transformation, User Feedback, Product Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Basic Electrical Systems, Electrical Systems, Sustainable Technologies, Power Electronics, Electric Power Systems, Electronic Systems, Electrical Engineering, Sustainable Engineering, Energy and Utilities, Environmental Engineering, Performance Testing, High Voltage, Environmental Science, Systems Integration, Thermal Management, Climate Change Mitigation, Control Systems
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Continuous Integration, CI/CD, Jenkins, Test Automation, GitLab, Continuous Delivery, Continuous Deployment, Agile Software Development, Unit Testing, DevSecOps, Integration Testing, Software Development, Git (Version Control System), Application Deployment, Application Security, Automation, Debugging, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Browser Compatibility, Java Programming, Software Testing, Javascript, Eclipse (Software), Apache Maven, Development Environment, Object Oriented Programming (OOP), Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Software Installation, System Configuration
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cyber Governance, Risk Management, Vendor Management, Governance Risk Management and Compliance, Security Awareness, Security Strategy, Business Risk Management, Cyber Security Policies, Compliance Management, Business Continuity, Personally Identifiable Information, Data Security
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Microsoft Azure, Disaster Recovery, SAP Applications, Azure Active Directory, Cloud Infrastructure, Cloud Management, System Monitoring, Application Deployment, Virtual Machines, Virtual Networking, IT Infrastructure, Cloud Storage, Data Migration, Performance Testing
Intermediate · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Star Schema, Data Modeling, Extract, Transform, Load, Performance Tuning, Tableau Software, Database Design, Data Warehousing, Data Transformation, Data Integration
Advanced · Course · 1 - 3 Months

Skills you'll gain: Vulnerability Assessments, Cyber Threat Intelligence, Vulnerability Management, Cybersecurity, Data Persistence, Risk Analysis
Advanced · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: LLM Application, Test Data, Prompt Engineering, Model Evaluation, Transfer Learning, Generative AI Agents, Performance Testing
Intermediate · Project · Less Than 2 Hours

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Application Security, Secure Coding, Security Testing, Vulnerability Scanning, Security Controls, Intrusion Detection and Prevention, Security Awareness, Web Applications, Browser Compatibility, Computer Programming
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Exploit development, Penetration Testing, Test Script Development, Technical Communication, Scripting, Technical Writing, Automation, Technical Consulting, Security Controls
Intermediate · Course · 1 - 4 Weeks

Google - Spectrum Sharing
Skills you'll gain: Key Management, Interoperability, Configuration Management, Telecommunications, Wireless Networks, Authorization (Computing), Data Validation
Advanced · Course · 1 - 3 Months