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.

Skills you'll gain: Bayesian Statistics, Databricks, Sampling (Statistics), Statistical Modeling, Probability, Applied Machine Learning, Jupyter, Regression Analysis, Statistical Programming, Predictive Modeling, Statistical Analysis, Model Evaluation, Probability Distribution, Data Science, Logistic Regression, Markov Model, Statistics, Statistical Methods, Simulations, Python Programming
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: Penetration Testing, Cyber Security Assessment, Security Testing, Cybersecurity, Cyber Operations, Information Systems Security, Information Systems Security Assessment Framework (ISSAF), Cyber Security Strategy, Vulnerability Assessments, Cyber Threat Intelligence, Threat Modeling, Exploit development, Exploitation techniques, Cyber Attacks, Cyber Security Policies, Computer Security, Security Controls, Data Security
Intermediate · Course · 1 - 4 Weeks

University of California, Davis
Skills you'll gain: Scientific Methods, Systems Of Measurement, Experimentation, Statistical Analysis, Quantitative Research, Human Factors, Psychology, Research Methodologies, Neurology, Product Testing, Physiology
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Debugging, Integrated Development Environments, Data Validation, Web Applications, Scripting, Development Environment, Object Oriented Programming (OOP), Django (Web Framework), Software Testing, Web Development, Customer Data Management, Data Structures, Program Development, Scripting Languages, Business Logic, Financial Data, User Interface (UI), Python Programming, Software Development Methodologies, Programming Principles
Intermediate · Specialization · 1 - 3 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: React.js, Test Case, JavaScript Frameworks, Unit Testing, UI Components, Software Testing, Development Testing, Context Management, Data Sharing
Intermediate · Course · 1 - 4 Weeks

MongoDB Inc.
Skills you'll gain: Data Transformation, MongoDB, Data Manipulation, NoSQL, Data Migration, Data Analysis, Query Languages, Data Preprocessing, Data Structures, Network Analysis, Machine Learning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Incident Response, Cyber Threat Hunting, Computer Security Incident Management, Cyber Threat Intelligence, Threat Detection, Threat Management, Security Management, Cybersecurity, Continuous Monitoring, Scenario Testing, Technical Communication, Simulations
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Large Language Modeling, Natural Language Processing, LLM Application, Generative AI Agents, Prompt Engineering, Test Case, Agentic systems, User Interface (UI), Artificial Intelligence and Machine Learning (AI/ML), Performance Testing, Debugging, Applied Machine Learning, Artificial Intelligence, Machine Learning Algorithms, Classification Algorithms, Decision Support Systems, Model Evaluation, Performance Tuning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Fire And Life Safety, Construction Inspection, Safety Training, Safety Standards, Building Codes, Safety and Security, System Monitoring, Electrical Systems, Building Services Engineering, Continuous Monitoring, Control Systems, Systems Integration, Technical Standard, Communication Systems
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Restful API, Docker (Software), Git (Version Control System), Flask (Web Framework), Application Programming Interface (API), Authentications, Application Deployment, Database Management, Cloud Deployment, JSON, Object-Relational Mapping, API Testing, Programming Principles, Python Programming, Object Oriented Programming (OOP), Data Structures
Intermediate · Course · 1 - 3 Months

Skills you'll gain: MITRE ATT&CK Framework, Threat Modeling, Cyber Threat Intelligence, Penetration Testing, Threat Management, Threat Detection, Cybersecurity, Vulnerability Scanning, Cyber Attacks, Data Ethics, Vulnerability Assessments, Security Strategy, Network Security, Network Analysis
Intermediate · Course · 1 - 4 Weeks