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: iOS Development, Apple iOS, Apple Xcode, User Interface (UI), Mobile Development, Swift Programming, Unit Testing, User Interface (UI) Design, UI Components, Mobile Development Tools, Objective-C (Programming Language), Application Development, Data Structures, Programming Principles, Software Testing, Object Oriented Programming (OOP), Integrated Development Environments, Development Environment, Prototyping, Storyboarding
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Google Analytics, Marketing Analytics, Web Analytics, Marketing Effectiveness, Campaign Management, Digital Marketing, Target Audience, Customer Insights, Analytics, Performance Analysis, A/B Testing, Dashboard, Performance Metric, Content Strategy
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: 3D Assets, Unity Engine, Video Game Development, Game Design, 3D Modeling, Virtual Environment, Integration Testing, Computer Graphics, Scripting
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Statistical Hypothesis Testing, Sampling (Statistics), Regression Analysis, Bayesian Statistics, Statistical Analysis, Probability & Statistics, Statistical Inference, Statistical Methods, Statistical Modeling, Linear Algebra, Probability, Probability Distribution, R Programming, Biostatistics, Data Science, Statistics, Mathematical Modeling, Data Analysis, Data Modeling, Applied Mathematics
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Digital Forensics, Penetration Testing, Network Security, Threat Management, Mobile Security, Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Public Key Infrastructure, Vulnerability Assessments, Cryptography, Security Controls, Vulnerability Scanning, Cybersecurity, Authorization (Computing), Malware Protection, Authentications, Identity and Access Management, Cyber Attacks, Threat Detection, Data Integrity
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: ISO/IEC 27001, Threat Management, Security Management, Data Security, Cyber Risk, Risk Management, Continuous Monitoring, Vulnerability Assessments, Cyber Security Policies, Security Controls, Governance Risk Management and Compliance, Cybersecurity, Information Systems, Scenario Testing, Asset Protection
Beginner · Course · 3 - 6 Months

Skills you'll gain: API Gateway, Amazon CloudWatch, API Design, Amazon Web Services, Microservices, Event-Driven Programming
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Amazon Web Services, Cloud Computing, Public Cloud, Cloud Infrastructure, Amazon Elastic Compute Cloud, Cloud Computing Architecture, Serverless Computing, Cloud Security, Amazon DynamoDB, Amazon S3, Databases, Data Storage, Network Architecture, Data Migration, Scalability
Beginner · Course · 3 - 6 Months

Duke University
Skills you'll gain: Rust (Programming Language), Unit Testing, Software Testing, Data Structures, Debugging, GitHub, Programming Principles, Package and Software Management, Development Environment, System Programming, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

University of Minnesota
Skills you'll gain: Software Design Patterns, Software Design, Software Quality Assurance, Software Engineering, Program Development, Application Security, Object Oriented Design, Software Architecture, Software Quality (SQA/SQC), Development Testing, Threat Modeling, Maintainability, Development Environment, Code Review, Application Deployment, Continuous Deployment, Quality Assurance, Security Requirements Analysis, Continuous Delivery, Software Testing
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Ggplot2, Software Documentation, Open Source Technology, Tidyverse (R Package), Package and Software Management, Web Scraping, Data Manipulation, Data Visualization Software, Leaflet (Software), R Programming, Data Visualization, Data Preprocessing, Technical Documentation, Datamaps, Visualization (Computer Graphics), Unit Testing, Data Cleansing, Interactive Data Visualization, Object Oriented Programming (OOP), Debugging
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Database Design, Software Design, Application Security, Vulnerability Assessments, Unified Modeling Language, Unit Testing, Threat Modeling, Usability Testing, User Interface and User Experience (UI/UX) Design, Data Flow Diagrams (DFDs), Open Web Application Security Project (OWASP), Software Architecture, Object Oriented Design, Secure Coding, Software Design Patterns, Database Management, Security Software, Systems Design, Software Development Life Cycle, Technical Design
Beginner · Specialization · 3 - 6 Months