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.

Board Infinity
Skills you'll gain: Test Case, Test Script Development, Test Planning, Test Automation, Test Engineering, Continuous Integration, Test Tools, CI/CD, Software Quality Assurance, Regression Testing, Quality Assurance
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Software Documentation, Leaflet (Software), Data Preprocessing, Technical Documentation, Data Cleansing, Data Visualization Software, Code Review, R Programming, GitHub, Continuous Integration, Software Testing
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Process Capability, Statistical Process Controls, R (Software), Statistical Analysis, Data Analysis Software, R Programming, Quality Control, Quality Improvement, Statistical Methods, Process Analysis, Data Transformation, Statistical Hypothesis Testing, Probability Distribution
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Medical Privacy, Pharmacology, Pharmacy, Pharmaceuticals, Basic Life Support (BLS) Certification, Healthcare Ethics, Health Care Procedure and Regulation, Health Insurance Portability And Accountability Act (HIPAA) Compliance, Infectious Diseases, Health Care, Emergency Response, Public Health, Information Privacy
Intermediate · Course · 1 - 4 Weeks

High Tech High Graduate School of Education
Skills you'll gain: Education and Training, Teaching, Growth Mindedness, Learning Theory, Human Learning, Student Engagement, Cultural Diversity, Experimentation, Statistical Hypothesis Testing, Psychological Evaluations, Discussion Facilitation
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Penetration Testing, Metasploit, Safety Culture, Cyber Threat Hunting, Cyber Threat Intelligence, Cyber Security Assessment, Cybersecurity, Threat Detection, Generative AI, Security Testing, Vulnerability Scanning, Anomaly Detection, Data Security, Security Strategy, Network Security, Security Software, Change Management, Machine Learning Methods, Ethical Standards And Conduct, Data Visualization
Beginner · Specialization · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Statistical Hypothesis Testing, Experimentation, Research Design, Statistical Analysis, Data Ethics, Statistical Modeling, Data Science, A/B Testing, Data Analysis, Quantitative Research, Regression Analysis, Statistical Inference, Probability & Statistics, Sample Size Determination, Linear Algebra, Calculus
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Exploratory Data Analysis, Box Plots, Correlation Analysis, Data Visualization, Scatter Plots, Data Cleansing, Statistical Visualization, Data Manipulation, Pandas (Python Package), Statistical Hypothesis Testing, Descriptive Statistics, Statistical Analysis, Data Analysis, Python Programming
Beginner · Guided Project · Less Than 2 Hours

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

L&T EduTech
Skills you'll gain: Shop Drawing, Architectural Drawing, Construction Inspection, Structural Engineering, Structural Analysis, Building Design, Construction, Manufacturing Processes, Construction Management, Construction Engineering, Engineering Practices, Building Codes, Engineering Tolerance, Product Testing, Engineering Calculations
Advanced · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Building Codes, Construction, Laboratory Testing, Structural Engineering, Test Engineering, Laboratory Experience, Construction Engineering, Civil Engineering, Environmental Monitoring, Engineering Analysis, Virtual Environment, Experimentation, Research Reports, Structural Analysis, Analytical Testing, Engineering Practices, Penetration Testing, Engineering Calculations, Failure Analysis, Finite Element Methods
Advanced · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: DeepSeek API, Deepseek, AI Workflows, Agentic Workflows, AI Enablement, Retrieval-Augmented Generation, Embeddings, Program Development, Model Deployment
Intermediate · Course · 1 - 4 Weeks