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.

University of London
Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), JSON, HTML and CSS, Ajax, Web Content Accessibility Guidelines, Javascript, Web Design, Semantic Web, Usability, Web Applications, Web Development, Web Content, Usability Testing, Interactive Design, Data Structures, Application Frameworks, Network Protocols, Data Ethics, Animations
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Flask (Web Framework), Restful API, Software Testing, Databases, Software Quality (SQA/SQC), JSON, Application Programming Interface (API), MongoDB, Full-Stack Web Development, Web Applications, NoSQL, Back-End Web Development, Python Programming, Maintainability, Application Deployment, Data Validation, Authentications
Beginner · Course · 1 - 3 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, White-Box Testing, Object Oriented Programming (OOP), Software Quality (SQA/SQC), Programming Principles
Intermediate · Course · 1 - 4 Weeks

California Institute of the Arts
Skills you'll gain: Information Architecture, Persona (User Experience), UI/UX Strategy, Web Design, User Experience, Wireframing, User Research, User Centered Design, Mockups, Usability Testing, Requirements Analysis, Target Audience, Agile Methodology
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Intellectual Property, Adobe Express, Adobe Firefly, Entrepreneurship, Business Planning, Marketing Communications, Adobe Creative Cloud, Marketing, Campaign Management, Adobe Acrobat, Creative Problem-Solving, Presentations, Creative Thinking, Creativity, Content Creation, Social Media, Branding, Digital Content, Client Services, A/B Testing
Beginner · Course · 1 - 4 Weeks
University of Alberta
Skills you'll gain: Requirements Analysis, Requirements Elicitation, Requirements Management, Functional Requirement, Business Requirements, Product Requirements, Backlogs, User Requirements Documents, Scope Management, Change Control, User Story, System Requirements, Client Services, Acceptance Testing, Agile Software Development, Prioritization
Mixed · Course · 1 - 4 Weeks

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

Universidad ORT Uruguay
Skills you'll gain: Video Game Development, Software Engineering, Program Development, Programming Principles, Software Testing, Animation and Game Design, Software Development, Event-Driven Programming, Computer Programming, Computational Thinking, Debugging
Beginner · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Statistical Modeling, Statistical Methods, Statistical Inference, Bayesian Statistics, Data Visualization, Plot (Graphics), Data Literacy, Statistics, Matplotlib, Statistical Software, Probability & Statistics, Model Evaluation, Seaborn, Statistical Analysis, Jupyter, Statistical Programming, Statistical Machine Learning, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Responsive Web Design, Cascading Style Sheets (CSS), HTML and CSS, Bootstrap (Front-End Framework), Debugging, UI Components, Front-End Web Development, Semantic Web, Hypertext Markup Language (HTML), Browser Compatibility, Web Content Accessibility Guidelines, Web Analytics and SEO, User Interface (UI), Development Testing, Data Validation, Javascript, Animations
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: API Testing, React.js, Authentications, Containerization, OAuth, Cloud Deployment, Back-End Web Development, PostgreSQL, API Gateway, Software Documentation, Amazon Web Services, Cloud Applications, Event-Driven Programming, Front-End Web Development, Python Programming, Database Management, Restful API, SQL, API Design, Databases
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Object Oriented Design, Secure Coding, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months