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: Web Scraping, Robotic Process Automation, Transaction Processing, Debugging, Business Process Automation, Verification And Validation, Development Testing, HR Tech, Automation, Workflow Management, Application Frameworks, Data Entry, Data Integration, Data Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Usability, Hypertext Markup Language (HTML), Front-End Web Development, User Experience Design, Browser Compatibility, User Interface (UI), User Interface and User Experience (UI/UX) Design, User Interface (UI) Design, Semantic Web, Web Design and Development, Javascript, Web Design, Debugging, Web Applications, Extensible Languages and XML, Development Testing
Mixed · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Data Storage Technologies, Probability & Statistics, Statistics, Data Store, Mathematical Software, Data Storage, Data Access, Statistical Machine Learning, Database Software, Statistical Hypothesis Testing, Data Manipulation, Data Transformation, Model Evaluation
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: A/B Testing, Statistical Hypothesis Testing, Test Planning, Statistical Methods, Statistical Analysis, Financial Analysis, Financial Data, Financial Acumen, Statistical Inference, Portfolio Risk, Risk Analysis, Performance Metric, Spreadsheet Software, Decision Making, Project Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, C# (Programming Language), .NET Framework, Performance Tuning, Development Environment, Maintainability, Microsoft Development Tools, Application Programming Interface (API), Software Design, Restful API, Software Development Tools, File I/O, Authentications, Application Security, Software Testing, Unit Testing, Package and Software Management
Beginner · Course · 3 - 6 Months

Skills you'll gain: Multiprotocol Label Switching, Routing Protocols, Network Routing, Network Troubleshooting, Network Performance Management, Network Routers, Network Infrastructure, Computer Networking, Network Protocols, Network Engineering, Interoperability, Network Model, Telecommunications, Verification And Validation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Google Cloud Platform, Cloud Security, Network Security, Cloud Management, Network Administration, Firewall, Virtual Networking, Data Migration
Intermediate · Project · Less Than 2 Hours

Coursera
Skills you'll gain: Vector Databases, Embeddings, Retrieval-Augmented Generation, Model Optimization, Data Ethics, Responsible AI, Model Evaluation, Performance Tuning, Performance Testing
Intermediate · Course · 1 - 4 Weeks

Google Cloud
Skills you'll gain: Unit Testing, Google Gemini, Gemini, Software Development Tools, Integrated Development Environments, Test Case, Application Development, Development Testing, Google Cloud Platform, Software Testing, Software Documentation, Debugging, Prompt Engineering
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: User Interface (UI), Application Lifecycle Management, Business Logic, User Interface (UI) Design, Systems Development Life Cycle, Frontend Integration, ASP.NET, Application Development, Back-End Web Development, Application Deployment, UI Components, .NET Framework, Application Design, Debugging, Web Applications, Web Development, Full-Stack Web Development, Database Development, Functional Testing, Software Testing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Model Optimization, Algorithms, Memory Management, Performance Testing, Resource Utilization, Scalability
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Retrieval-Augmented Generation, Prompt Patterns, Agentic systems, Performance Testing, Prompt Engineering, Generative AI Agents, Generative AI, Agentic Workflows, Performance Tuning, Model Evaluation, Verification And Validation, Large Language Modeling, MLOps (Machine Learning Operations), Embeddings
Intermediate · Course · 1 - 4 Weeks