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.

University of Colorado Boulder
Skills you'll gain: Object Oriented Design, Unified Modeling Language, JUnit, Object Oriented Programming (OOP), Test Driven Development (TDD), Software Design Patterns, Java, Unit Testing, Software Testing, Java Programming, Software Engineering, Application Design, User Interface and User Experience (UI/UX) Design, Software Design, Software Architecture, API Design, Model View Controller, Software Development, Systems Analysis, Databases
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Linux Commands, Metasploit, Open Web Application Security Project (OWASP), Linux, Penetration Testing, Vulnerability Scanning, Command-Line Interface, Exploitation techniques, Scripting, Vulnerability Assessments, General Networking, Scripting Languages, Cyber Security Assessment, Python Programming, Web Applications, Cybersecurity, Data Ethics, Firewall, Network Security, Computer Networking
Beginner · Specialization · 3 - 6 Months

Universidade Estadual de Campinas
Skills you'll gain: Pharmaceuticals, Preventative Care, Pharmacology, Chemistry, Laboratory Testing
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Bedrock, Prompt Engineering, Responsible AI, Generative AI Agents, Generative AI, LangChain, Large Language Modeling, LLM Application, Artificial Intelligence, AWS SageMaker, Amazon Web Services, AI Personalization, Automation, Application Programming Interface (API), Data Processing, Performance Testing, Data Integration
Intermediate · Professional Certificate · 1 - 3 Months

University of Colorado System
Skills you'll gain: Data Warehousing, Dashboard, Star Schema, Data Visualization Software, MicroStrategy, Business Intelligence, Data Integration, Data Architecture, Extract, Transform, Load, Data Modeling, Case Studies, PostgreSQL, SQL, Analytical Skills, Data Transformation
Mixed · Course · 1 - 3 Months

Corporate Finance Institute
Skills you'll gain: Data Transformation, Extract, Transform, Load, Microsoft Excel, Data Manipulation, Data Cleansing, Data Integration, Data Import/Export, Pivot Tables And Charts, Data Validation, Automation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Administration, Bash (Scripting Language), Network Monitoring, Cyber Security Assessment, Exploit development, Intrusion Detection and Prevention, System Configuration, Virtual Machines
Intermediate · Course · 1 - 3 Months
Skills you'll gain: Django (Web Framework), React.js, Authentications, Performance Tuning, Scalability, Full-Stack Web Development, Unit Testing, Development Testing, Software Testing, Development Environment, Restful API, Javascript, Python Programming
Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Real-Time Operating Systems, Performance Tuning, Embedded Software, Embedded Systems, Debugging, Systems Engineering, Software Systems, System Software, Systems Architecture, Systems Design, System Design and Implementation, Software Testing, Software Quality Assurance, Linux
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Rust (Programming Language), Serverless Computing, Command-Line Interface, Maintainability, Amazon Web Services, Linux Commands, Unix Commands, Application Deployment, Software Development Tools, Program Development, System Programming, Python Programming, Performance Tuning, Debugging, Software Testing
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Service Level, Software Engineering, Data Architecture, Web Applications, Software Architecture, Cloud Applications, Performance Testing, Scalability, Functional Requirement, Distributed Computing, Databases, Microservices, Application Deployment, Application Development, Predictive Modeling, Software Testing, System Design and Implementation, Middleware, Transaction Processing, Big Data
Build toward a degree
Advanced · Specialization · 1 - 3 Months

Skills you'll gain: Node.JS, API Gateway, MySQL, Restful API, MongoDB, Microservices, API Design, NoSQL, Object-Relational Mapping, Database Design, Relational Databases, Unit Testing, SQL, Databases, Server Side, Application Deployment, Javascript, Application Programming Interface (API), Software Documentation, Data Modeling
Intermediate · Specialization · 3 - 6 Months