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.

Indian School of Business
Skills you'll gain: Financial Trading, Accruals, Securities Trading, Performance Measurement, Technical Analysis, Market Trend, Portfolio Management, Portfolio Risk, Investment Management, Backlogs, Risk Analysis, Equities, Financial Analysis
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, Development Testing, Web Applications
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Prompt Engineering, Microsoft Copilot, AI Workflows, GitHub, Programming Principles, Computer Programming, Integrated Development Environments, Software Installation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Spring Boot, Application Development, API Testing, Application Frameworks, Software Testing, Test Case, Development Environment, Model View Controller, Software Development Tools, Java Platform Enterprise Edition (J2EE), Authentications, Software Design Patterns, SQL, Data Persistence, Mockups, JSON, User Interface (UI), Functional Design, Databases, Dependency Analysis
Intermediate · Specialization · 1 - 3 Months

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Application Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Information Assurance, Encryption, Risk Management Framework, Advanced Encryption Standard (AES), Intrusion Detection and Prevention, Information Systems Security, Secure Coding, Security Controls, Exploitation techniques, Software Design Patterns
Intermediate · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Education Software and Technology, Learning Management Systems, Performance Testing, Virtual Environment, Data Analysis Software
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Power Electronics, Systems Analysis, Electronics Engineering, Technical Design, Systems Design, Graphical Tools, Plot (Graphics), Engineering Analysis, Performance Testing, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Game Design, Prototyping, Software Design Documents, Visualization (Computer Graphics), Ideation, Conceptual Design, Usability Testing, Graphic and Visual Design, Peer Review, Creativity
Intermediate · Course · 1 - 3 Months

McMaster University
Skills you'll gain: Experimentation, Data Visualization, Predictive Modeling, Pareto Chart, Process Improvement and Optimization, Simulation and Simulation Software, Process Optimization, Statistical Software, R Programming, Data Analysis, Statistical Analysis, R (Software), Case Studies
Intermediate · Course · 1 - 3 Months

Scrimba
Skills you'll gain: TypeScript, Event-Driven Programming, Javascript, Pseudocode, Computational Thinking, JSON, Web Development, Angular, Web Applications, Vue.JS, Data Import/Export, Application Development, Mobile Development, Debugging, Algorithms, Data Structures, Node.JS, Unit Testing, Web Development Tools, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: User Experience Design, Information Architecture, Storyboarding, Wireframing, User Story, UI/UX Research, User Research, Adobe XD, Usability Testing, Figma (Design Software), Design Reviews, User Interface and User Experience (UI/UX) Design, User Centered Design, Ideation, Design Thinking, Presentations, Persona (User Experience), Web Design, Research Design, Usability
Beginner · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: Selenium (Software), Test Script Development, Test Automation, Debugging, Automation, Web Scraping, Software Testing, Web Development Tools, Test Case, Browser Compatibility, Test Data, Data Validation
Beginner · Course · 1 - 4 Weeks