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Anastasiya Smirnova is a Data Quality Manager at X5 Retail Group, specializing in quality analysis of marketing data and the implementation of data quality control processes since August 2021. Previously served as a Systems Analyst at GlowByte Consulting, managing system improvements and documentation development, and as a Data Analyst at Perfluence Platform and Practicum by Yandex, focusing on data pre-processing and statistical analysis projects. Earlier experience includes a role as a Performance Marketing Intern at Brane and a Satellite Information Processing Specialist at FEC SRC «Planeta». Anastasiya holds an Engineer's degree in Standardisation from Pacific National University, earned between 2010 and 2015. Technical expertise includes SQL, Big Data, Hadoop, Airflow, SAP, and GreenPlum.