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.

Johns Hopkins University
Skills you'll gain: Biostatistics, Bioinformatics, Exploratory Data Analysis, Statistical Analysis, Statistical Methods, Statistical Hypothesis Testing, Statistical Modeling, Statistics, R Programming, Probability & Statistics, Data Analysis, Statistical Inference, Regression Analysis, Data Pipelines, Data Transformation, Data Processing
Mixed · Course · 1 - 4 Weeks

Queen Mary University of London
Skills you'll gain: Qualitative Research, Research Methodologies, Surveys, Science and Research, Data Collection, Focus Group, Research, Market Research, Research Design, Sample Size Determination, Interviewing Skills, Probability & Statistics, Case Studies
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Simulations, Matlab, Mathematical Modeling, Electronic Systems, Power Electronics, Electrical Engineering, Electrical Systems, Predictive Modeling, Engineering Calculations, Engineering Analysis, Applied Mathematics, Basic Electrical Systems, Analytical Testing, Scripting, Numerical Analysis, Scripting Languages, Laboratory Testing
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Game Design, Prototyping, Software Design Documents, Visualization (Computer Graphics), Ideation, Conceptual Design, Usability Testing, Graphic and Visual Design, Peer Review, Creativity
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Incident Response, Network Security, Intrusion Detection and Prevention, Computer Security Incident Management, Command-Line Interface, Cryptography, Open Web Application Security Project (OWASP), Cyber Threat Intelligence, Application Security, Secure Coding, Cybersecurity, Encryption, Information Systems Security, Vulnerability Assessments, Metasploit, Risk Management Framework, Multi-Factor Authentication, Cloud Security, Penetration Testing, Risk Management
Intermediate · Specialization · 3 - 6 Months

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Analysis, Statistical Methods, Probability & Statistics, Statistical Inference, Biostatistics, Sampling (Statistics), Statistics, Data Analysis, Probability Distribution
Mixed · Course · 1 - 4 Weeks

Vanderbilt University
Skills you'll gain: Microservices, Spring Boot, Spring Framework, IntelliJ IDEA, Java Programming, Restful API, Object Oriented Programming (OOP), Java, Application Deployment, Software Architecture, API Design, Integrated Development Environments, Scalability, Service Oriented Architecture, Web Applications, Software Testing, Unit Testing, Object-Relational Mapping, Distributed Computing, Application Security
Intermediate · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Surveys, Survey Creation, Data Literacy, Data Visualization, Data Analysis, Peer Review, Research Design, Statistics, Sampling (Statistics), Regression Analysis, Descriptive Statistics, Research, Probability, Quantitative Research, Analytics, Probability Distribution, Analysis, Correlation Analysis, Statistical Inference, Statistical Hypothesis Testing
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Penetration Testing, Cybersecurity, Cyber Security Assessment, Network Security, Cyber Threat Intelligence, Threat Detection, Exploitation techniques, Vulnerability Assessments, Application Security, Intrusion Detection and Prevention, Security Awareness, Web Servers
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: User Experience Design, UI/UX Research, Information Architecture, Storyboarding, Wireframing, User Research, User Story, Adobe XD, Usability Testing, Figma (Design Software), User Experience, Design Reviews, User Interface and User Experience (UI/UX) Design, Design Research, User Centered Design, Persona (User Experience), Presentations, Web Design, Research Design, Usability
Beginner · Professional Certificate · 3 - 6 Months

Google Cloud
Skills you'll gain: Dataflow, Data Pipelines, Google Cloud Platform, Data Integrity, Performance Tuning, CI/CD, Data Processing, Debugging, System Monitoring, Issue Tracking, Unit Testing, Disaster Recovery
Advanced · Course · 1 - 3 Months

Skills you'll gain: Jest (JavaScript Testing Framework), CI/CD, Model View Controller, User Acceptance Testing (UAT), Continuous Integration, Cucumber (Software), Postman API Platform, Ansible, Software Testing, OAuth, Web Development Tools, Behavior-Driven Development, Application Performance Management, Prometheus (Software), Authentications, Test Driven Development (TDD), Package and Software Management, Cloud API, Javascript, Software Engineering
Beginner · Specialization · 3 - 6 Months