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: Responsive Web Design, HTML and CSS, JSON, React.js, Jest (JavaScript Testing Framework), Hypertext Markup Language (HTML), Javascript, Bootstrap (Front-End Framework), Ajax, Web Design, Web Development Tools, Web Design and Development, Cascading Style Sheets (CSS), Unit Testing, UI Components, User Interface and User Experience (UI/UX) Design, Web Development, Front-End Web Development, Mobile Development, JavaScript Frameworks
Beginner · Specialization · 3 - 6 Months

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

EIT Digital
Skills you'll gain: Embedded Software, Real-Time Operating Systems, Embedded Systems, Internet Of Things, Software Engineering, System Testing, Software Development, Verification And Validation, Integration Testing, Performance Testing, Cloud-Based Integration, Systems Integration, System Implementation, Computer Vision, Innovation, Encryption, Algorithms
Advanced · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistics, Regression Analysis, Probability, Statistical Hypothesis Testing, Probability Distribution, Statistical Analysis, Statistical Inference, Sampling (Statistics), Combinatorics
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Docker (Software), Azure DevOps, Restful API, Microservices, Containerization, DevOps, ASP.NET, CI/CD, .NET Framework, Application Programming Interface (API), API Design, Test Automation, Application Deployment, Git (Version Control System)
Advanced · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Containerization, CI/CD, Docker (Software), DevOps, Jenkins, Rust (Programming Language), Prometheus (Software), System Monitoring, JSON, Command-Line Interface, Shell Script, Automation, System Programming, Software Testing, GitHub
Intermediate · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Pivot Tables And Charts, Sample Size Determination, Data Visualization, Statistical Inference, Data Visualization Software, Statistical Hypothesis Testing, Statistics, Data-Driven Decision-Making, Microsoft Excel, Correlation Analysis, Descriptive Statistics, Probability & Statistics, Data Analysis, Forecasting, Regression Analysis, Business Analytics, Spreadsheet Software, Statistical Modeling, Statistical Visualization, Data Presentation
Beginner · Specialization · 3 - 6 Months

SkillUp
Skills you'll gain: Prompt Engineering, Generative AI, ChatGPT, Microsoft Copilot, Software Architecture, OpenAI, Code Review, Unit Testing, Software Design, API Design, LLM Application, Debugging, Software Development, Application Development, Application Design, Back-End Web Development, Database Design, Python Programming, Automation, Version Control
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Data Visualization Software, Interactive Data Visualization, Visualization (Computer Graphics), Data Storytelling, User Centered Design, User Experience Design, Human Computer Interaction, Usability Testing, User Research, Design Elements And Principles
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of London
Skills you'll gain: User Experience Design, User Experience, Wireframing, Persona (User Experience), Application Lifecycle Management, Application Design, Technical Communication, Web Design and Development, Prototyping, UI/UX Research, Web Development, User Research, Mockups, Usability Testing, Application Development, Responsive Web Design, Version Control, Brainstorming, Javascript, MongoDB
Mixed · 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

University of Colorado Boulder
Skills you'll gain: Control Systems, Process Control, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months