High School

Master of Science - MS

Doctor of Philosophy (Ph.D.)

Master's degree

Built ALS-based recommendation library still in production across multiple products Developed media sentiment analysis pipeline for brand monitoring Created forecasting system using search index data to predict box office and startup success

Staff Software Engineer

Founding engineer on YT, Yandex’s core system for distributed data storage and batch processing Conducted research on recommendation models and built a film recommender prototype

Software Engineer

Optimized ranking objectives for Microsoft Start Feed, improving engagement and user satisfaction Architected, improved, and shipped core ranking components using tree-based and neural models

Principal Applied Scientist

Built DJ — Yandex’s core recommendation platform powering 30+ products; acted as architect and engineering manager Invented algorithms for generative ranking, transformer-based user modeling, retrieval quota optimization, and RL-based ranking Drove multi-fold metric gains in music, video, product, and image recommendations Owned end-to-end recommendations for Yandex Smart Devices Standardized ML hiring by launching a unified interview process

Technical Lead Manager

TA for Machine Learning course by Prof. K.V. Vorontsov

Teaching Assistant

Designed quantization methods for bin-counting models to reduce memory usage

Research Intern

Created PoetryLover, a poetry quotation search engine launched publicly in 2009

Software Engineer Intern

Tech Lead for “For You” recommendations — X’s main engagement surface Improved user retention and time spent via ranking and retrieval model upgrades Shipped new retrieval models for “For You” and video Invented unbiased in-batch retrieval evaluation, spaced repetition-based training Developed joint retrieval + light ranking training Enhanced transformer objectives and boosted diversity and reranking quality with listwise signals

Senior Staff ML Engineer

Member of Technical Staff

Senior Staff ML Engineer at X/xAI

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