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: Model Deployment, Google Cloud Platform, Data Lakes, Data Pipelines, Apache Spark, Dataflow, Big Data, Data Architecture, Tensorflow, Apache Hadoop, Query Languages, Data Warehousing, Real Time Data, SQL, Unstructured Data, Data Security, Data Processing, Applied Machine Learning, Data Migration, Extract, Transform, Load
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Immunology, Infectious Diseases, Chronic Diseases, Physiology, Hematology, Pathology, Molecular Biology, Diagnostic Tests, Cell Biology, Biochemistry
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Hibernate (Java), Object-Relational Mapping, CI/CD, Spring Boot, Restful API, Java Programming, Integration Testing, Docker (Software), Database Development, Cloud Deployment, Application Security, Java, Containerization, SQL, Databases, Database Design, NoSQL, Kubernetes, Test Driven Development (TDD), Object Oriented Design
Beginner · Specialization · 1 - 3 Months
École Polytechnique Fédérale de Lausanne
Skills you'll gain: Scala Programming, Software Design, Software Design Patterns, Functional Design, Java, Programming Principles, Performance Tuning, Data Structures, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Exploit development, Security Testing, Test Tools, Cyber Security Assessment, Vulnerability Scanning, Vulnerability Assessments, Application Security, Web Servers, Network Protocols, Web Applications, Test Automation, Development Environment, Proxy Servers, Authentications
Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Apache Airflow, Data Pipelines, Dataflow, Data Integration, Infrastructure as Code (IaC), Terraform, Extract, Transform, Load, Amazon CloudWatch, IT Automation, Data Quality, Amazon Web Services, CI/CD, Data Processing, Data Transformation
Intermediate · Course · 1 - 4 Weeks

Snowflake
Skills you'll gain: Data Engineering, Data Pipelines, Database Management, Data Manipulation, Databases, Data Transformation, Extract, Transform, Load, Data Warehousing, Change Control, DevOps, Cloud Development, SQL, Data Integration, CI/CD, Application Development, Artificial Intelligence and Machine Learning (AI/ML), Role-Based Access Control (RBAC), Software Development Tools, Stored Procedure, Data Analysis
Beginner · Professional Certificate · 1 - 3 Months

Skills you'll gain: Responsive Web Design, User Interface (UI), UI Components, Figma (Design Software), UI/UX Strategy, User Interface and User Experience (UI/UX) Design, Prototyping, Usability Testing, Interactive Design, User Experience Design, Mobile Development, Style Guides, Web Development, Animations
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Power Electronics, Systems Analysis, Electronics Engineering, Technical Design, Systems Design, Graphical Tools, Plot (Graphics), Engineering Analysis, Performance Testing, Mathematical Modeling
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

Duke University
Skills you'll gain: Prompt Engineering, Databricks, Large Language Modeling, Model Deployment, LLM Application, Generative AI, Performance Analysis, Retrieval-Augmented Generation, Generative Model Architectures, Apache Airflow, Workflow Management, Hugging Face, Amazon Bedrock, Vector Databases, Data Lakes, ChatGPT, Extract, Transform, Load, OpenAI, Multimodal Prompts, MLOps (Machine Learning Operations)
Beginner · Specialization · 3 - 6 Months
Rice University
Skills you'll gain: Statistical Hypothesis Testing, Statistical Methods, Regression Analysis, Statistical Analysis, Statistical Modeling, Statistical Inference, Business Analytics, Microsoft Excel, Model Evaluation, Estimation, Data Analysis
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Software Documentation, Generative AI, API Testing, Test Automation, Mockups, Software Development Tools, User Interface and User Experience (UI/UX) Design, Usability, Software Testing, AI Security, AI Workflows, Application Security, Maintainability, Prompt Engineering, Test Case, Software Architecture, Code Review, Secure Coding, Artificial Intelligence, Debugging
Beginner · Specialization · 1 - 3 Months