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 at Buffalo
Skills you'll gain: Safety Standards, Safety Training, Safety Assurance, Safety and Security, Robotics, Hazard Analysis, Equipment Design, Risk Management Framework, Product Testing, Failure Analysis, Manufacturing and Production
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Unit Testing, Test Case, Application Deployment, Responsive Web Design, Test Driven Development (TDD), Continuous Deployment, Debugging, Maintainability, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, Software Testing, Code Review, Development Testing, Interviewing Skills, Web Development Tools, HTML and CSS, Web Development, Application Development, Software Documentation
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Network Monitoring, Exploit development, System Configuration, Digital Forensics, Virtualization
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Preventative Care, Patient Education And Counseling, Pharmacology, Contraindication, Bloodborne Pathogens, Drug Interaction, Health Promotion, Primary Care, Health Disparities, Medication Therapy Management, Clinical Pharmacy, Public Health, Community Health, Patient Advocacy, Clinical Assessment, Epidemiology, Patient Communication, Diagnostic Tests
Beginner · Course · 1 - 3 Months

28DIGITAL
Skills you'll gain: Closing (Sales), Cold Calling, Customer Analysis, Sales Process, Target Market, Market Analysis, Marketing, Marketing Strategies, Competitive Analysis, Marketing Planning, Business Marketing, Sales, Growth Strategies, Market Research, Sales Prospecting, Business Development, New Business Development, A/B Testing, Entrepreneurship, Digital Marketing
Intermediate · Course · 1 - 3 Months

IIT Bombay
Skills you'll gain: Design Thinking, User Research, Prototyping, Human Centered Design, Product Design, Sustainable Business, Innovation, Brainstorming, Creative Thinking, Empathy, User Feedback, Product Development, Customer experience improvement, Case Studies, Collaboration
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Enablement, Integrated Development Environments, API Testing, Application Development, Application Security
Beginner · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Apache Spark, Serverless Computing, Apache Airflow, Data Lakes, Extract, Transform, Load, Google Cloud Platform, Apache Hadoop, Data Processing, Big Data, Data Warehousing, Data Integration, Cloud Storage, Data Quality, Data Transformation
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, JUnit, Test Data, Unit Testing, Test Case, Regression Testing, Web Development Tools, Test Script Development, Software Testing, Javascript, Browser Compatibility, Scripting, Computer Programming
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Unit Testing, Test Driven Development (TDD), Test Case, Program Development, Software Testing, Java Programming, Java, Software Engineering
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: User Research, Internet Of Things, Usability Testing, Prototyping, Design Thinking, Ideation, Automation, Advanced Analytics, User Experience Design, Big Data, User Centered Design, IT Security Architecture, Interaction Design, Data-Driven Decision-Making, Human Centered Design, Data Management, Robotics, Control Systems, Hardware Architecture, Manufacturing Processes
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Artificial Intelligence, Test Planning
Intermediate · Course · 1 - 4 Weeks