Andrey Zimovnov
Director Of Machine Learning at VK
Moscow, Moscow, Russia
Summary
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Rockstar🎓
Top SchoolAndrey Zimovnov is a Director of Machine Learning based in Moscow with 11 years of experience building recommendation and ranking systems across marketplaces and large consumer platforms. He led ranking teams at Yandex and now oversees ML strategy at VK, combining hands-on expertise in recommender algorithms, PySpark/Hadoop pipelines, and production-grade ML leadership. His career began at Ozon where he designed scalable Hadoop-based recommenders and progressed through applied roles at Yandex Data Factory into senior ranking leadership, reflecting deep domain knowledge in RecSys. He also contributes to NLP education resources on GitHub, showing a practical interest in tokenization and TF-IDF techniques beyond large-scale recommenders. Trained in mathematics and image processing at MSU (PhD-level), he blends rigorous academic grounding with pragmatic system-building for real-world personalization and search.
11 years of coding experience
10 years of employment as a software developer
Lomonosov Moscow State University
Russian, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (10)
tokenize10
jupyter-notebook10
tokenizer10
nlp10
python10
natural-language-processing10
scikit-learn9
stemming9
scikit9
lemmatization9
Programming languages (6)
Github contributions (5)
hse-aml/natural-language-processing
Aug 2018 - Jan 2019
Resources for "Natural Language Processing" Coursera course.
Role in this project:
Data Scientist
Data ScientistContributions:21 commits, 1 PR, 16 pushes in 5 months
Contributions summary:Andrey primarily contributed to the repository by implementing and modifying examples related to natural language processing (NLP) concepts, specifically tokenization, stemming, lemmatization and TF-IDF bag-of-words. Their commits involved code modifications within Jupyter notebooks, showcasing an understanding of NLP techniques. They also worked on setting up the environment by adding install scripts.
nlplanguage-processingdeep-learningmachine-learningcoursera-course
ZEMUSHKA/lsml_hse
Jan 2017 - Apr 2019
LSML HSE course repo
Contributions:319 commits, 10 PRs, 279 pushes in 2 years 2 months
hselsml
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