Rustambek Umarov

VK which was known as Mail.ru Group is one of the biggest russian internet company with services in different spheres: clouds, Ed.Tech, social networks, e-commerce etc. I work at e-commerce at vk classifieds and youla.ru services with DAU 4 million users. -Increased user engagement in real estate categorie by 8% -Increased DAU platform by 15% and ad base by 26% by competitive analysis and changing monetization strategy

Sber is the largest fintech company in Russia with 102 million b2c customers and 2.9 million b2b customers. My results at Sber: -Increased revenue by 9% in b2b products in-app and online by implementing real-time recommendations -Increased revenue by 11% in the post-application call process by implementing a next-best action model -Implementing a database with 100+ features for use in machine learning models by 10+ teams

-Implemented infrastructure for machine learning models -Implemented a machine learning model in marketing communications for City Bank of Russia. Email open rate increased by 18%. -Implemented 2 machine learning models in trigger communications for customer upsells. Saved 22% in costs for these communications

Tinkoff is the best fintech in the world according to Digital bank award 2020 with 19 million customer -Increase effectivity of acquisition business process in credit card for traveleres by 27% -Increased acquisition rate by 24% on secondary credit cards by implementing a classification model -Increased success rate by 11% on partner credit cards by implementing partner data fraud detection system

As Data Scientist at Yandex I worked on machine learning and analytics in Yandex.Market