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: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Software Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Metasploit, Exploit development, Exploitation techniques, Vulnerability, Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, System Configuration, Data Security, Cybersecurity, Cyber Attacks, Linux, Bash (Scripting Language), Proxy Servers, Scripting, Linux Commands, Scripting Languages, Python Programming
Mixed · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Inference, Statistical Hypothesis Testing, Probability & Statistics, Probability, Statistics, Bayesian Statistics, Statistical Methods, Statistical Modeling, Statistical Analysis, Probability Distribution, Sampling (Statistics), Sample Size Determination, Data Analysis
Mixed · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Pandas (Python Package), MLOps (Machine Learning Operations), NumPy, Model Deployment, Data Manipulation, Software Testing, Data Import/Export, Test Automation, Python Programming, Debugging, Data Structures, Machine Learning, Object Oriented Programming (OOP), Scripting, Numerical Analysis, Application Programming Interface (API), Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Research, Usability Testing, Persona (User Experience), Interaction Design, User Experience Design, User Interface (UI), User Experience, Design Research, Usability, User Centered Design, User Interface (UI) Design, Figma (Design Software), Design Elements And Principles, Wireframing, Web Design, UI Components, Prototyping, Front-End Web Development
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Responsible AI, Threat Modeling, MLOps (Machine Learning Operations), Security Testing, Secure Coding, Cost Management, Data Ethics, Data Governance, Experimentation, Prompt Engineering, Application Security, CI/CD, Automation, Financial Forecasting, Compliance Management, Governance, Technical Documentation, Vulnerability Assessments, Risk Management, Stakeholder Communications
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Technical Consulting, System Implementation, Test Script Development, Test Planning, Technology Roadmaps, Project Implementation, System Testing, Stakeholder Management, Project Closure, End User Training and Support, System Monitoring, Application Deployment, System Configuration, Data Cleansing
Beginner · Course · 1 - 3 Months

Skills you'll gain: Sampling (Statistics), Descriptive Statistics, Statistical Hypothesis Testing, Data Analysis, Probability Distribution, Statistics, Data Science, Statistical Analysis, Statistical Methods, Probability, Statistical Inference, Statistical Programming, Python Programming
Advanced · Course · 1 - 3 Months
Multiple educators
Beginner · Specialization

Coursera
Skills you'll gain: Application Deployment, No-Code Development, Cloud Deployment, AI Security, Cloud Security, Data Security, Configuration Management, Risk Mitigation, Production Management
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Verification And Validation, Electronic Systems, Embedded Systems, Electronics Engineering, Application Specific Integrated Circuits, Electronic Hardware, Electronics, Systems Design, Software Design, Program Development, Integrated Development Environments, System Design and Implementation, Computer Architecture, Eclipse (Software), Computational Logic, Hardware Architecture, Software Development, Computer Engineering
Build toward a degree
Intermediate · Specialization · 3 - 6 Months

University of Michigan
Skills you'll gain: User Experience Design, User Research, Design Research, Usability Testing, Prototyping, Design, User Centered Design, Technical Communication, Wireframing, Storyboarding, Persona Development, Requirements Analysis, Adobe Photoshop
Beginner · Course · 1 - 3 Months