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Piotr WÄ…siewicz is a seasoned data professional with extensive experience in data engineering and scientific computing. Since June 2020, Piotr has served as a Data Engineer at Sanoma Learning and a Data Scientist at Nowa Era, specializing in DBT models, SQL queries, and cloud architectures using AWS. Prior to this, Piotr spent two decades as an academic lecturer at Warsaw University of Technology and Europejska Uczelnia w Warszawie, delivering courses in Data Mining, Artificial Intelligence, and programming languages. Additional roles include administrator and architect focusing on Linux server cloud clusters and programming positions in Node.js and Python. Piotr holds a Doctor of Philosophy in Computer Science from Warsaw University of Technology, earned during 1991-2000.