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: Amazon Web Services, Database Administration, Database Design, Amazon CloudWatch, Amazon DynamoDB, Amazon Redshift, Data Migration, Database Architecture and Administration, Database Management, Database Management Systems, Disaster Recovery, Databases, Relational Databases, AWS Identity and Access Management (IAM), NoSQL, AWS CloudFormation, Cloud Security, Key Management, Encryption, Amazon S3
Beginner · Course · 1 - 3 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), Test Tools, File Management, Cascading Style Sheets (CSS), Test Automation, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Web Scraping, Data Validation, Test Case, Web Development Tools, Data Structures
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Sampling (Statistics), Statistical Methods, Descriptive Statistics, Statistical Visualization, Data Import/Export, Pareto Chart, Histogram, Statistical Analysis, R (Software), Box Plots, R Programming, Data Synthesis, Probability Distribution, Probability & Statistics, Exploratory Data Analysis, Statistics, Statistical Hypothesis Testing, Data Science
Beginner · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: TypeScript, Programming Principles, Web Development Tools, Javascript, Web Language
Beginner · Guided Project · Less Than 2 Hours

Siemens
Skills you'll gain: Safety Standards, Robotics, Electrical Safety, Mechanical Design, Automation, Control Systems, Manufacturing and Production, Performance Testing, Human Machine Interfaces, Computer Programming, Programming Principles
Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: JUnit, Unit Testing, Software Testing, Mockups, Test Case, Test Driven Development (TDD), Java
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Data Integrity, Performance Tuning, CI/CD, Data Processing, Debugging, System Monitoring, Data Transformation, Unit Testing, Disaster Recovery
Advanced · Course · 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

University of Minnesota
Skills you'll gain: Semiconductors, Finite Element Methods, Medical Devices, Materials science, Electronics Engineering, Laboratory Testing, Electronics, Quality Assurance, Process Control, Biomedical Engineering, Electronic Systems, Product Testing, Mechanical Design, Manufacturing Processes, Electrical Engineering, Electronic Components, Computer Architecture, Process Engineering, Mechanical Engineering, Emerging Technologies
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Infrastructure as Code (IaC), Endpoint Security, Vulnerability Management, Risk Management, Cryptography, Cybersecurity, Cloud Computing Architecture, Network Security, Incident Response, Threat Management, Cloud Security, Threat Modeling, Risk Analysis, Business Risk Management, Encryption, Cyber Security Policies, Identity and Access Management, Secure Coding, Cyber Threat Intelligence
Intermediate · Specialization · 3 - 6 Months

Automatic Data Processing, Inc. (ADP)
Skills you'll gain: Data Collection, Data Visualization, Data-Driven Decision-Making, Microsoft Excel, Project Management, Data Analysis, Compensation and Benefits, Google Sheets, Timelines, Data Cleansing, Agile Methodology, Employee Surveys, Focus Group
Beginner · Course · 1 - 3 Months

Skills you'll gain: Penetration Testing, Vulnerability Scanning, Cyber Security Assessment, Vulnerability Assessments, MITRE ATT&CK Framework, Threat Detection, Infrastructure Security, Payment Card Industry (PCI) Data Security Standards, NIST 800-53, Network Analysis, General Data Protection Regulation (GDPR)
Intermediate · Course · 1 - 4 Weeks