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.

Skills you'll gain: Release Management, Application Deployment, Test Planning, CI/CD, Software Quality Assurance, Performance Testing, Software Development Life Cycle, Software Testing, Maintainability, Risk Management, Test Driven Development (TDD), Data Validation, Behavior-Driven Development, Product Lifecycle Management, Systems Analysis, Systems Thinking, Business Process Automation, Data Modeling, Process Flow Diagrams, Digital Transformation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: File Transfer Protocol (FTP), Transaction Processing, Integration Testing, Data Integration, Data Mapping, Data Validation, Test Case, Middleware, Systems Integration, Databases
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: COBOL (Programming Language), Debugging, z/OS, Unit Testing, Test Driven Development (TDD), Software Testing, Mainframe Computing, Integrated Development Environments, Computer Programming Tools, File I/O
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Extract, Transform, Load, Data-Driven Decision-Making, Amazon Web Services, Data Warehousing, Big Data, Databases, Business Analytics, NoSQL, Data Analysis, Data Pipelines, Unstructured Data, Data Processing, SQL, Data Storage, Data Architecture, Relational Databases, Data Transformation
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Planning, Test Tools, Configuration Management, Software Testing, Test Automation, Integration Testing, System Testing, Acceptance Testing, Software Quality Assurance, Test Data, Risk Management, Test Case, Risk Management Framework, Issue Tracking, Performance Testing, Version Control
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Test Driven Development (TDD), Unit Testing, Test Automation, Test Case, Software Testing, Code Review, Mockups, Python Programming
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Extract, Transform, Load, Data Pipelines, Data Integration, File Management, Scalability, Data Processing, Context Management, Java, Data Transformation, Maintainability
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Mapping, Extract, Transform, Load, Data Validation, Workflow Management, JSON, Fraud detection, Extensible Markup Language (XML), Metadata Management, Process Design, Data Integration, Data Cleansing, Data Transformation, Data Pipelines, Data Processing, Data Integrity, Data Modeling
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Tools, Test Automation, Test Planning, Scripting, Test Script Development, Continuous Integration, CI/CD, Software Testing, Regression Testing, Software Technical Review, Test Case, Continuous Delivery, Maintainability, Automation, Software Quality (SQA/SQC)
Advanced · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Data Management, Cloud Storage, Cloud Computing Architecture, Serverless Computing
Intermediate · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Cucumber (Software), Gherkin (Scripting Language), Software Testing, Testability, Test Case, White-Box Testing, Behavior-Driven Development, Code Coverage, Test Engineering, Acceptance Testing, Test Planning, Unit Testing, Functional Testing, Test Automation, JUnit, Java Programming
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Exploratory Data Analysis, Data Presentation, Probability Distribution, Statistical Hypothesis Testing, Dashboard, Data Analysis, Data Science, Probability & Statistics, Statistical Analysis, Jupyter, Matplotlib, Data Preprocessing, Data Cleansing, Pandas (Python Package), Statistical Inference, Statistics, Data Manipulation, Python Programming, Machine Learning
Advanced · Course · 1 - 4 Weeks