Wiktoria Gessner is a data professional with experience in various analytical roles. As a Big Data Analyst at Decathlon from April 2024 to April 2025, Wiktoria was responsible for advanced data mining using Python and SQL, sales data analysis, customer behavior analysis, and the preparation of reports in Looker and Tableau, also focusing on creating new data sources and ensuring data quality. Currently serving as a Data Scientist at Shoper since May 2025, Wiktoria previously worked at IT Krajowy Rejestr Długów from November 2022 to March 2024 as a Junior SQL Developer and Junior IT Systems Monitoring Specialist, where responsibilities included system monitoring, bug reporting and analysis, as well as data analysis. Education includes a degree in Biotechnology from Politechnika Wrocławska and a degree in Economics from Uniwersytet Wrocławski.
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