Anton Kazennikov - NLP Team Lead at OZON.ru

Anton Kazennikov

NLP Team Lead at OZON.ru

Moscow, Moscow, Russia

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Summary

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Senior

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Top School

Anton Kazennikov is an NLP Team Lead and PhD in Computer Science with 18 years of software engineering experience and over 9 years focused on building production NLP and search systems on the JVM. He currently leads search-oriented document and query analysis at OZON, designing Lucene/Elasticsearch pipelines, NER, and query analysis, and previously built large-scale corpus and rule-based IE systems (GATE/JAPE/UIMA Ruta) for multilingual use. Comfortable across Java and Python, he combines hands-on backend engineering (indexing, custom query types, performance tuning) with applied ML and CV expertise including faiss, word2vec/fastText, and PyTorch. A longtime contributor to prominent open-source projects like jsoup, he blends research rigor (Google Scholar presence) with pragmatic delivery of scalable IR and NLP pipelines. Notably, he has a track record of porting and optimizing legacy NLP systems into modern JVM architectures and building bespoke rule engines for real-world address, location and fact extraction.

18 years of coding experience

11 years of employment as a software developer

Doctor of Philosophy (Ph.D.), Natural Language Processing, Doctor of Philosophy (Ph.D.), Natural Language Processing at Moscow State Institute of Radio Engineering, Electronics and Automation (Technical University)

Stackoverflow

Stats

3,574reputation

284kreached

12answers

30questions

Github Skills (16)

html10

parserator10

javas10

parser10

jsoup10

java10

dom7

css7

libsvm6

svm6

machine-learning6

common-lisp6

coding-style6

lisp6

xpath5

Programming languages (1)

Java

Github contributions (5)

jhy/jsoup

Jan 2011 - Jan 2011

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Role in this project:

Backend Developer

Contributions:54 commits, 1 issue in 9 days

Contributions summary:Anton primarily contributed to the development of the Java HTML parser jsoup, focusing on the implementation and modification of selectors. They added new selector types, implemented the :has selector, and fixed bugs related to selector behavior. Furthermore, the user refactored the evaluator and selector code, improving the codebase and adding tests.

xpathjava-html-parserscrapingparsersafety

kzn/jaot

Jun 2012 - Mar 2017

Contributions:60 commits, 4 pushes in 4 years 9 months

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