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 Colorado Boulder
Skills you'll gain: Acceptance Testing, Database Management, Web Applications, Microservices, Software Architecture, Software Engineering, Data Infrastructure, System Monitoring, Functional Requirement, Application Deployment, User Acceptance Testing (UAT), Application Development, Distributed Computing, Prototyping, Requirements Elicitation, Test Automation, Agile Product Development, Big Data, Data Analysis
Build toward a degree
Advanced · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Data Preprocessing, Data Wrangling, Data Processing, Amazon S3, Extract, Transform, Load, Data Pipelines, Data Integration
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Regression Analysis, Exploratory Data Analysis, Model Evaluation, Scikit Learn (Machine Learning Library), Supervised Learning, Applied Machine Learning, Machine Learning, Data Preprocessing, Deep Learning, Statistical Analysis, Data Analysis, Artificial Neural Networks, Data Import/Export, Matplotlib, Python Programming
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Content Accessibility Guidelines, Usability, Usability Testing, Web Design, Web Development Tools, Test Tools, Web Development, Customer Service
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: AI Security, Penetration Testing, Network Security, Exploitation techniques, Open Web Application Security Project (OWASP), Cyber Security Assessment, Unix, Computer Security, Network Monitoring, Application Security, Cybersecurity, Artificial Intelligence and Machine Learning (AI/ML), Cryptographic Protocols, Network Protocols, Cryptography, Security Awareness, Generative AI Agents, Server Side, Web Applications, Machine Learning Algorithms
Intermediate · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Descriptive Statistics, Statistical Hypothesis Testing, Regression Analysis, Probability Distribution, Statistical Analysis, R Programming, Data Import/Export, Statistical Modeling, Statistical Methods, Tidyverse (R Package), Data Literacy, Plot (Graphics), Statistics, Data Manipulation, Data Analysis, Statistical Inference, Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Generative AI, Test Script Development, ChatGPT
Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Middleware, Databases, Database Systems
Intermediate · Course · 1 - 4 Weeks

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

Johns Hopkins University
Skills you'll gain: Penetration Testing, MITRE ATT&CK Framework, Open Web Application Security Project (OWASP), Cyber Security Assessment, Metasploit, Public Key Infrastructure, Exploit development, Exploitation techniques, Cybersecurity, Distributed Denial-Of-Service (DDoS) Attacks, Threat Modeling, Cryptography, Cyber Threat Intelligence, Mobile Security, Security Testing, Brute-force attacks, Vulnerability Scanning, Network Security, Operating Systems, Encryption
Intermediate · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: Lean Manufacturing, Lean Six Sigma, Process Mapping, Statistical Process Controls, Six Sigma Methodology, Failure Mode And Effects Analysis, Kaizen Methodology, Process Optimization, Quality Improvement, Operational Efficiency, Process Improvement, Performance Measurement, Manufacturing Operations, Quality Management, Operational Excellence, Business Process, Statistical Analysis, Performance Metric, Waste Minimization, Kanban Principles
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Data Migration, Cloud Storage, Data Management, Data Integration, Data Storage, Data Infrastructure, Data Architecture, Extract, Transform, Load, Data Security, Data Transformation, Data Pipelines, Disaster Recovery
Intermediate · Course · 1 - 4 Weeks