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.

Pearson
Skills you'll gain: System Programming, Rust (Programming Language), Data Structures, Relational Databases, Other Programming Languages, Databases, Data Access, Debugging, Programming Principles, Application Development, Secure Coding, SQL, Object Oriented Programming (OOP), C++ (Programming Language), Maintainability, Interoperability, Software Development, Command-Line Interface, Data Import/Export, File Management
Beginner · Specialization · 1 - 3 Months

Pearson
Skills you'll gain: Front-End Web Development, Google Gemini, Web Development Tools, Generative AI, Databases, Data Ethics, Responsible AI, Back-End Web Development, Web Content, Web Development, User Interface (UI), Servers, ChatGPT, Prompt Engineering, Microsoft Copilot, Test Automation
Intermediate · Course · 1 - 4 Weeks
Starweaver
Skills you'll gain: Generative AI Agents, Generative AI, Agentic systems, OpenAI, LangChain, Prompt Patterns, Tool Calling, LLM Application, Artificial Intelligence, Large Language Modeling, Responsible AI, Software Architecture, Scalability, Application Deployment, System Design and Implementation, Collaboration, Data Integration, Job Evaluation, Logical Reasoning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Google Gemini, Test Case, Software Testing, Integrated Development Environments, Code Review, Application Development, Debugging, Software Documentation, Maintainability, Real Time Data
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Architecture, HTML and CSS, Verification And Validation, Semantic Web, Web Development, Web Design and Development, Development Testing, Data Validation, Design Strategies, User Interface (UI) Design
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Kubernetes, Docker (Software), Containerization, DevOps, Application Deployment, Scalability, YAML, Performance Tuning, Disaster Recovery, Command-Line Interface
Intermediate · Guided Project · Less Than 2 Hours

Packt
Skills you'll gain: Application Programming Interface (API), Relational Databases, Databases, Authorization (Computing)
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Cyber Security Assessment, Cybersecurity, Vulnerability Assessments, Persona Development, Coordination, Safety and Security
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Unit Testing, Google Gemini, Integrated Development Environments, Code Review, Software Development Tools, Google Cloud Platform, Application Development, Software Documentation, Maintainability, Debugging, Prompt Engineering
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Interactive Design, Canva (Software), Digital Design, User Experience Design, Browser Compatibility, Product Testing, Graphic and Visual Design, Typography, Design Strategies, Development Testing, Design Elements And Principles
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: GitHub, Authentications, Test Case, Eclipse (Software), Verification And Validation, Extensible Markup Language (XML), Software Installation
Intermediate · Course · 3 - 6 Months
Starweaver
Skills you'll gain: AI Personalization, System Monitoring, Generative AI, Prompt Engineering, Data Processing, Extract, Transform, Load, Scalability, Data Architecture, Data Pipelines, LLM Application, Performance Tuning, Continuous Monitoring, Enterprise Architecture, Database Systems, Data Quality, Semantic Web, Query Languages, Talent Pipelining, Process Optimization, Engineering
Intermediate · Course · 1 - 4 Weeks