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Head of BigData in the Yandex search portal. Started out as a full-stack data developer (from working out the business problem, through object model formation and implementation in code, to dashboards). After that she worked on building reporting for investors and top management on Yandex.Search, and then on the data preparation side she built the unit marketing economics of the Yandex search portal. Managed the preparation of search data (for ranking, robot, AB metrics, product analytics, rantime). Built search portal BigData team responsible for Search, Pics, Video, Browser, Search App and other product data.