Katerina Ntenti

Katerina Ntenti

ETL/Data Engineer @ Trasys Greece


Katerina is an ETL/Data Engineer with experience in banking/telco industries and EU institutions. She has hands-on experience with ETL pipelines and Data Warehouses, as well as Data Quality testing, as she was previously working as an ETL Tester. She is also ISTQB certified.


Data Quality & Data Testing:

Data is a valuable asset for organizations, serving as the foundation for informed decision-making and business insights. However, the usefulness of data depends on its quality. Poor-quality data can lead to inaccurate analyses, unreliable results, and misguided strategies. To overcome these challenges, data testing plays a crucial role in ensuring data integrity and reliability. In this presentation, we will explore the significance of data quality and the essential aspects of data testing to maintain high-quality data.