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Alexander Oreshkevich is a Data Engineer at EffectiveSoft since February 2020, where responsibilities include designing and maintaining data infrastructure, building ETL pipelines with Python and SQL, implementing data warehouses using Snowflake, and developing data validation processes. Previously, as a Data Analyst at Infourok from November 2017 to January 2020, Alexander analyzed complex data sets, developed dashboards with Tableau, and collaborated on machine learning models, leading to significant revenue increases and improved business outcomes. Alexander holds a Master's degree from Белорусский государственный технологический университет, earned between 2011 and 2016.