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 Minnesota
Skills you'll gain: Open Web Application Security Project (OWASP), Cloud Security, Authentications, Key Management, Cloud Applications, Application Security, Secure Coding, DevSecOps, Cloud Computing, Cloud Services, Identity and Access Management, Multi-Factor Authentication, Security Testing, Cryptography, Web Services, Server Side
Intermediate · Course · 1 - 4 Weeks
Rutgers the State University of New Jersey
Skills you'll gain: Manufacturing Processes, Product Testing, Regulatory Compliance, Personal Care, Product Development, Laboratory Testing, Workforce Development, Packaging and Labeling, New Product Development, Clinical Trials, Quality Control, Entrepreneurship, Consumer Behaviour, Chemistry, Business
Beginner · Course · 1 - 3 Months

Macquarie University
Skills you'll gain: Sample Size Determination, Statistical Hypothesis Testing, Statistics, Descriptive Statistics, Probability & Statistics, Microsoft Excel, Data Analysis, Statistical Inference, Spreadsheet Software, Data-Driven Decision-Making, Box Plots, Probability Distribution, Histogram, Data Visualization Software, Variance Analysis
Beginner · Course · 1 - 3 Months

Skills you'll gain: Computational Thinking, Theoretical Computer Science, Mathematical Modeling, Systems Analysis, Performance Testing, Embedded Systems, Graph Theory, Technical Documentation, Model Evaluation, Algorithms
Mixed · Course · 1 - 3 Months

Skills you'll gain: AI Product Strategy, Product Lifecycle Management, Quality Assurance and Control, Product Quality (QA/QC), Product Management, Release Management, Sales Strategy, New Product Development, Performance Analysis, Responsible AI, Product Improvement, Product Marketing, Generative AI, Key Performance Indicators (KPIs), User Feedback, Risk Management, Data-Driven Decision-Making, Cross-Functional Collaboration
Beginner · Course · 1 - 3 Months

Skills you'll gain: Restful API, API Design, API Testing, Spring Boot, Authentications, Test Automation, JSON, Application Programming Interface (API), Test Script Development, Application Deployment, Spring Framework, Object-Relational Mapping, Test Case, Software Quality Assurance, Business Logic, Back-End Web Development, Integration Testing, Software Engineering, Java Programming, Java
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Secure Coding, Application Security, DevSecOps, Security Testing, Software Development Methodologies, Configuration Management, Software Development, Software Configuration Management, Software Development Life Cycle, Software Testing, API Testing, Threat Modeling, Application Programming Interface (API), Cloud Security, Risk Management Framework, Change Control
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Front-End Web Development, Frontend Performance, Responsible AI, Data Ethics, Frontend Integration, Generative AI, Code Review, User Interface and User Experience (UI/UX) Design, Prompt Engineering, Software Documentation, UI/UX Strategy, Test Automation, Test Tools, HTML and CSS
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), JUnit, HTML and CSS, Test Automation, Software Testing, Test Script Development, Web Development, Software Quality Assurance, Continuous Integration, Java, Test Execution Engine, Object Oriented Programming (OOP), Debugging
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Generative AI Agents, LangChain, AI Workflows, LLM Application, Agentic systems, Development Environment, Model Evaluation, OpenAI, Artificial Intelligence, Scalability, Applied Machine Learning, Performance Tuning, Design
Intermediate · Course · 1 - 4 Weeks
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Functional Design, Software Design Patterns, Unit Testing, Data Structures, Simulations
Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: Incident Response, Threat Modeling, Vulnerability Scanning, Vulnerability Management, Vulnerability Assessments, Threat Detection, Risk Management, Cybersecurity, Computer Security Incident Management, Secure Coding, Cyber Security Assessment, Incident Management, Security Testing, Cyber Governance, Intrusion Detection and Prevention, Risk Management Framework, Cyber Threat Intelligence, Network Infrastructure, Network Security, Security Information and Event Management (SIEM)
Intermediate · Specialization · 1 - 4 Weeks