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.

Duke University
Skills you'll gain: Databricks, Model Deployment, Generative AI, Data Lakes, Extract, Transform, Load, MLOps (Machine Learning Operations), Data Transformation, Data Pipelines, Hugging Face, Large Language Modeling, Responsible AI, Analytics, Data Analysis, Data Processing, Data Science, Machine Learning
Beginner · Course · 1 - 4 Weeks
Codio
Skills you'll gain: Apache Maven, JSON, JUnit, Java Programming, Java, Restful API, Integrated Development Environments, Programming Principles, Data Structures, Object Oriented Programming (OOP), Network Protocols, Unit Testing, Style Guides
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Audit Planning, Network Security, Disaster Recovery, Cyber Attacks, Business Continuity Planning, Security Testing, Digital Forensics, Infrastructure Security, Identity and Access Management, Database Management, Enterprise Architecture, Database Administration, Compliance Management, Regulatory Compliance, Auditing, Quality Assurance, Cloud Computing, OSI Models, Asset Management, Quality Management
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: UI/UX Research, User Interface (UI) Design, Design Research, Prototyping, Usability, Figma (Design Software), Web Content Accessibility Guidelines, User Experience Design, Interactive Design, User Centered Design, Mockups, Usability Testing
Beginner · Course · 1 - 4 Weeks

Fractal Analytics
Skills you'll gain: A/B Testing, Design Thinking, Experience Design, Data Storytelling, Dashboard, User Feedback, Solution Design, Stakeholder Engagement, Customer Insights, Interviewing Skills, Empathy & Emotional Intelligence, Business Requirements, Problem Solving
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Identity and Access Management, Application Security, Secure Coding, Security Testing, Information Systems Security, Cyber Security Assessment, Security Engineering, Security Controls, Risk Management Framework, Cybersecurity, Authentications, Threat Modeling, Network Security, Risk Management, Infrastructure Security, Data Security, Continuous Monitoring, Software Development Life Cycle, Authorization (Computing), Cryptography
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Phlebotomy, Blood Collection, Urinalysis, Patient Education And Counseling, Geriatrics, Electocardiography, Pediatrics, Specimen Collection, Cardiology, Medical Assistance, Patient Preparation, Diagnostic Tests, Basic Patient Care, Patient Communication, Infection Control
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: JUnit, File I/O, Java Programming, Object Oriented Programming (OOP), Java, Unit Testing, Program Development, Maintainability, Software Development, Secure Coding, Software Testing, Programming Principles, Computer Programming, Test Case, Application Development, Authentications, Application Security, Application Design, Software Design Patterns, Debugging
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Manufacturing Processes, Automation, Internet Of Things, Manufacturing Standards, Quality Assurance, Manufacturing Operations, Construction Inspection, Process Control, Product Testing, Materials science, Big Data
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dataflow, Serverless Computing, Identity and Access Management, Data Infrastructure, Data Pipelines, Cloud Security, Cloud Computing, Data Processing, Data Storage Technologies, Containerization, Interoperability
Intermediate · Course · 1 - 3 Months

Skills you'll gain: CI/CD, Continuous Deployment, Continuous Integration, Application Deployment, Build Tools, Cloud Deployment, Application Performance Management, Test Automation, Software Development Tools, Containerization, System Monitoring, ASP.NET, Unit Testing, Release Management, Git (Version Control System), Version Control
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Performance Testing, Scalability, Data Architecture, Software Architecture, Distributed Computing, Predictive Modeling, Performance Tuning, Microservices, Big Data, Software Engineering, Database Systems, Data Store, Model Evaluation
Build toward a degree
Advanced · Course · 1 - 4 Weeks