Senior Data Scientist (ML&DS Fast Track)

Ozon Tech is hiring Senior Data Scientists for multiple teams: Ranking, Feeds, Neural Network Technologies, Ad Efficiency, and Algorithmic Bidding. Fast-track interviews within 5 days.

Teams: - Ranking: Improve search relevance and balance between product relevance, conversion, and UX. - Feed Formation: Develop diversity logic for recommendations, tune target metrics and ranking formulas, improve accuracy of ad margin forecasts. - Neural Network Technologies: Enhance personalization models, explore scaling methods, and develop training and inference tools. - Ad Efficiency: Work with data from analysis to automation of dataset pipelines, improve ranking algorithm quality. - Algorithmic Bidding: Design long-term optimization of ad metrics, develop strategy evaluation methods, and explore exploration/exploitation balance in ad auctions.

Senior+ level with 4+ years of commercial experience.