Denis Sapozhnikov

AI Researcher

Limassol, Limassol, Cyprus0 mo experience

Key Highlights

  • Expert in Quantitative Finance and Data Science.
  • Led programming courses for talented schoolchildren.
  • Developed high-accuracy ML models for antispam.
Stackforce AI infers this person is a Data Science and Machine Learning expert in the Education and Tech industries.

Contact

LinkedIn

Skills

Core Skills

Quantitative FinanceData ScienceAlgorithmsResearchMachine LearningSoftware Engineering

Other Skills

ASP.NETC (Programming Language)C++CatBoostComputer VisionData AnalysisDeep LearningEnglishGitGrafanaNatural Language Processing (NLP)Python (Programming Language)RedisSQLTeaching

Experience

Pinely

Quantitative Researcher

Sep 2022 – Present · 3 yrs 7 mos · Limassol, Cyprus

Quantitative FinanceData Science

School of the center for teaching excellence

Algorithms teacher

Sep 2021 – Present · 4 yrs 7 mos · Moscow, Russia

  • Headteacher of the Olympiad programming course at the top-2 Russian school.
  • Github: https://github.com/i1oveMyse1f/algo-cource-cte/
Algorithms

Yandex

Machine Learning Engineer

Jun 2021 – Sep 2021 · 3 mos · Moscow, Russia

  • Created a new offline ML model for antispam using CatBoost.
  • Achieved 92% ROC-AUC in detecting a false spam complaint without text features.
Machine Learning

Higher school of economics

Quantitative Researcher

Oct 2020 – Present · 5 yrs 6 mos · Moscow, Russia

  • Prediction of Extremes in BTW and Manna Sandpiles.
  • Studying changes in the “weather” consistence at the 20th century in the Netherlands.
Quantitative FinanceResearch

Ozon.ru

Software Engineer

Jul 2020 – Oct 2020 · 3 mos · Moscow, Moscow City, Russia

  • Filtered 18+ suggests.
  • Reduced used RAM by 70% in indexer with Redis.
  • Created and supported graphs using Grafana.
  • Wrote unit and integration tests.
Software Engineering

Education

Higher School of Economics

Bachelor's degree — Computer Science

Sep 2019 – May 2024

The Julius Maximilians University of Würzburg

Bachelor's degree — Informatik

Mar 2022 – Aug 2022

Yandex School of Data Analysis

Master's degree — Data Science

Sep 2020 – May 2022

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