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: Extensible Markup Language (XML), Ajax, Extensible Languages and XML, Web Design and Development, Java Platform Enterprise Edition (J2EE), jQuery, Cascading Style Sheets (CSS), Data Validation, Web Applications, Scripting Languages, Javascript and jQuery, Web Development, Hypertext Markup Language (HTML), Middleware, Model View Controller, Web Services, Interoperability, Java, Computer Graphic Techniques, Scalability
★ 4.5 (73) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Agentic systems, Code Reusability, AI Integrations, Engineering Software, Systems Architecture, API Design, Systems Design, Solution Architecture, Artifactory, Generative Model Architectures, Release Management
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Application Deployment, Cloud Deployment, User Acceptance Testing (UAT), Cloud Applications, Usability Testing, Google Cloud Platform, No-Code Development
Beginner · Project · Less Than 2 Hours

Universitat de Barcelona
Skills you'll gain: Sustainable Development, Sustainable Technologies, Materials science, Education Software and Technology, Analytical Testing, Robotics, Chemistry, Engineering Design Process, Environmental Issue, Molecular Biology, Solution Design, Biomedical Engineering, Emerging Technologies, Innovation, Electronics, Safety Standards, Experimentation, Ethical Standards And Conduct, Health Technology, Physics
★ 4.8 (13) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Looker (Software), Maintainability, Usability Testing, Model Optimization, Data Visualization, Data Analysis
Intermediate · Project · Less Than 2 Hours

Skills you'll gain: IBM Cloud, No-Code Development, Development Testing, Natural Language Processing, User Experience, User Flows, Context Management, User Accounts, Content Management
Beginner · Course · 1 - 4 Weeks
University of Michigan
Skills you'll gain: Statistical Modeling, Statistics, Regression Analysis, Statistical Methods, Sampling (Statistics), Statistical Inference, Probability & Statistics, Correlation Analysis, Data Analysis, Statistical Analysis, Statistical Software, Statistical Hypothesis Testing, Predictive Modeling
Intermediate · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: LLM Application, Large Language Modeling, Open Web Application Security Project (OWASP), AI Security, Cyber Security Assessment, Application Security, Threat Modeling, Security Testing, Secure Coding, Vulnerability Assessments, Software Architecture, Prompt Engineering, IT Security Architecture, Security Controls, Application Programming Interface (API), Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), Test Automation, Software Testing, Test Script Development, Test Case, Test Execution Engine, Javascript and jQuery, Automation, Code Reusability, Software Design Patterns, UI Components
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, .NET Framework, Software Design Patterns, Software Design, Object-Relational Mapping, Software Architecture, Systems Architecture, C# (Programming Language), Enterprise Architecture, Maintainability, Docker (Software), Database Development, Database Management, Dependency Analysis, Event-Driven Programming, Data Migration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Model Evaluation, Model Training, Classification And Regression Tree (CART), Decision Tree Learning, Data Preprocessing, R (Software), Statistical Modeling, R Programming, Supervised Learning, Machine Learning
★ 4.8 (6) · Beginner · Guided Project · Less Than 2 Hours
University of Michigan
Skills you'll gain: Pandas (Python Package), NumPy, Data Manipulation, Statistical Analysis, Jupyter, Data Structures, Data Cleansing, Data Processing, Pivot Tables And Charts, Data Science, Data Wrangling, Data Analysis, Data-Driven Decision-Making, Data Transformation, Exploratory Data Analysis, Python Programming, Statistical Hypothesis Testing, Data Import/Export, Programming Principles
Intermediate · Course · 1 - 4 Weeks