Katarzyna Banach is a data professional with experience in data engineering, business intelligence, and accounting. Currently serving as a Junior Data Engineer at Alterdata since November 2024, Katarzyna previously worked as a BI Developer at Performance Media, where responsibilities included ETL processes, data pipeline design, and SQL query optimization primarily using Google Cloud Platform. Earlier roles included Junior BI Developer and Junior Digital Data Analyst, focusing on data analytics and client recommendations. Katarzyna's background also includes accounting support at Ecovis Poland and customer service experience as a Shop Assistant at LPP S.A. Academically, Katarzyna holds a Magister degree in Finance and Accounting and a Licencjat in Finance, Accounting, and Insurance from the University of Warsaw.
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