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.

Board Infinity
Skills you'll gain: Usability Testing, Usability, Human Centered Design, Human Factors, Human Computer Interaction, Software Testing, User Interface (UI), Web Content Accessibility Guidelines, User Experience, User Research, Risk Management Framework, Law, Regulation, and Compliance
Advanced · Course · 1 - 4 Weeks

EC-Council
Skills you'll gain: Penetration Testing, Threat Management, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Vulnerability Assessments, Network Security, Threat Detection, Vulnerability Scanning, Cybersecurity, Cyber Attacks, Brute-force attacks, Exploitation techniques, Application Security, Human Factors (Security), Web Applications, Mobile Security, Internet Of Things, Authentications, Encryption, Wireless Networks
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Data-Driven Decision-Making, Strategic Decision-Making, AI Enablement, Data Ethics, Marketing Analytics, Trend Analysis, Case Studies, Artificial Intelligence, Strategic Planning, Marketing Strategies, Business Ethics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Scenario Testing, Test Planning, Unit Testing, Functional Testing, Test Case, Hardware Troubleshooting
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Vibrations, Test Engineering, Product Testing, Performance Testing, Human Factors, Engineering Analysis, Digital Signal Processing, Laboratory Testing, Scientific Visualization, Data Integration, Root Cause Analysis
Intermediate · Course · 1 - 4 Weeks

The Hong Kong University of Science and Technology
Skills you'll gain: White-Box Testing, Acceptance Testing, Software Development Methodologies, Configuration Management, Debugging, Software Development Life Cycle, Software Testing, Software Development, Software Engineering, Unified Modeling Language, System Testing, Integration Testing, User Acceptance Testing (UAT), Unit Testing, Secure Coding, Test Case, Requirements Analysis, Waterfall Methodology, Agile Methodology, Project Management
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Biostatistics, Sampling (Statistics), Statistical Inference, Scientific Methods, Quantitative Research, Public Health
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: API Testing, Test Case, Test Script Development, Scenario Testing, Behavior-Driven Development, Test Automation, Restful API
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Data, Test Tools, Browser Compatibility, Test Case, Java, Automation, Cascading Style Sheets (CSS), Debugging
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: Unit Testing, Test Case, Test Driven Development (TDD), Debugging, Software Testing, Development Testing, Test Automation, Test Tools, Quality Assurance
Intermediate · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Product Development, New Product Development, Wireframing, Product Design, User Experience Design, Prototyping, Design Thinking, Conceptual Design, Product Testing, Project Management, Product Management, Agile Methodology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, GitHub, Cloud Deployment, Performance Tuning, Jest (JavaScript Testing Framework), Web Development Tools, Unit Testing, System Monitoring, Performance Testing
Intermediate · Course · 1 - 4 Weeks