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.

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, Persona (User Experience), Design Thinking, Conceptual Design, Human Centered Design, Product Testing, Project Management, Product Management, Agile Methodology
Beginner · Course · 1 - 3 Months

Skills you'll gain: Application Deployment, GitHub, Unit Testing, System Monitoring, Performance Testing
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Application Programming Interface (API), Test Tools, Behavior-Driven Development, Test Automation
Beginner · Guided Project · Less Than 2 Hours

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

Skills you'll gain: Cucumber (Software), Behavior-Driven Development, JSON, Gherkin (Scripting Language), Restful API, Application Programming Interface (API), Test Tools, Test Case, Test Planning, JUnit, Software Testing, Test Engineering, Security Testing, Test Data, Test Automation, OAuth, Apache Maven, Authentications, Development Environment, Eclipse (Software)
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Jest (JavaScript Testing Framework), Software Testing, Web Development, Full-Stack Web Development, Real Time Data, Application Programming Interface (API), Authentications
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Test Tools, Browser Compatibility, Software Testing, Test Automation, Selenium (Software), Web Development Tools, CI/CD, Mobile Development Tools, Cloud Platforms, GitLab, Quality Assurance, UI Components, User Interface (UI)
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: JUnit, Spring Framework, Spring Boot, Java, Apache Maven, Hibernate (Java), Unit Testing, Gradle, Microservices, Object-Relational Mapping, Software Testing, Testability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Cyber Security Assessment, Exploitation techniques, Malware Protection, Mobile Security, Cyber Operations, Scripting, Android (Operating System), Command-Line Interface, Authentications, Network Analysis, Automation, Virtual Environment
Mixed · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Selenium (Software), Software Testing, Security Testing, Test Automation, Performance Testing, Functional Testing, Test Tools, Test Execution Engine, Test Planning, Application Security, Mobile Development, Browser Compatibility, Application Performance Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: CI/CD, Integration Testing, Continuous Integration, Docker (Software), Java, Containerization, Software Design Patterns, Development Testing, Microservices, Object Oriented Design
Intermediate · Course · 1 - 4 Weeks