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 California, Irvine
Skills you'll gain: Specimen Collection, Specimen Processing, Specimen Preparation, Medical Laboratory, Laboratory Testing, Cell Cultures, Biochemical Assays, Cell Biology, Analytical Chemistry, Laboratory Research, Molecular, Cellular, and Microbiology, Molecular Biology, Biomedical Technology, Laboratory Equipment, Biology
Intermediate · Course · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Node.JS, Unit Testing, Server Side, Javascript, Debugging, Back-End Web Development, File Systems, Development Testing, Web Applications
Intermediate · Course · 1 - 3 Months

University of California, Davis
Skills you'll gain: Focus Group, Qualitative Research, Surveys, Discussion Facilitation, Survey Creation, Market Research, Research, Research Reports, Recruitment, Research Methodologies, Interviewing Skills, Report Writing, Sample Size Determination
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Electronic Medical Record, Clinical Informatics, Health Technology, Health Information Management, Decision Support Systems, Technical Support, End User Training and Support, Patient Registration, Databases, Change Control, Interoperability, Authentications
Mixed · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Cryptography, Public Key Infrastructure, Cybersecurity, Application Security, Data Security, Firewall, Cyber Attacks, Data Encryption Standard, Penetration Testing, Network Security, Information Assurance, Encryption, Risk Management Framework, Advanced Encryption Standard (AES), Intrusion Detection and Prevention, Information Systems Security, Secure Coding, Security Controls, Exploitation techniques, Software Design Patterns
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: New Product Development, Product Management, Product Development, Product Lifecycle Management, Usability Testing, Product Planning, Product Roadmaps, Stakeholder Management, Competitive Analysis, Product Testing, Product Requirements, Stakeholder Analysis, Market Analysis, Team Building, Market Research
Beginner · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Penetration Testing, Application Security, Secure Coding, Exploitation techniques, Software Design Patterns, Vulnerability Assessments, Amazon Web Services, SQL, Operating Systems, C (Programming Language)
Intermediate · Course · 1 - 4 Weeks

University of California, Irvine
Skills you'll gain: Education Software and Technology, Learning Management Systems, Performance Testing, Virtual Environment, Data Analysis Software
Mixed · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Power Electronics, Systems Analysis, Electronics Engineering, Technical Design, Systems Design, Graphical Tools, Plot (Graphics), Engineering Analysis, Performance Testing, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Open Web Application Security Project (OWASP), Authentications, Vulnerability Assessments, Application Security, Vulnerability Management, Event Monitoring, Secure Coding, Security Controls, Hardening, Data Integrity, Security Testing, System Monitoring, Cybersecurity, Patch Management, Threat Modeling, Exploitation techniques, Authorization (Computing), Cryptography, Extensible Markup Language (XML), System Configuration
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Usability Testing, Product Lifecycle Management, Product Management, Product Testing, Product Roadmaps, Agile Product Development, Product Development, New Product Development, Portfolio Management, Market Analysis, Product Requirements, Business Strategy, Demand Generation, Product Strategy, Market Intelligence, Marketing Planning
Advanced · Course · 1 - 3 Months