Sergey Brazhnik
Managing Partner at Zerocoder RU
Novosibirsk Oblast, Russia
Summary
🤩
Rockstar🎓
Top SchoolSergey Brazhnik is a managing partner and technology leader with nine years of professional experience, currently heading GR and R&D at Zerocoder RU while co-owning Challenge Group. Based in Novosibirsk, he combines entrepreneurial leadership with hands-on data science practice, evidenced by contributions to CatBoost tutorials that demonstrate applying gradient-boosting classification to real-world datasets. A Novosibirsk State University alumnus with a master's background, he bridges academic grounding and practical product development in regional tech initiatives. Notably, his profile reflects a blend of strategic business ownership and applied machine learning expertise rather than a pure coding-focused trajectory.
9 years of coding experience
Master, Master at Novosibirsk State University (NSU)High College of Informatics Novosibirsk State University
English
Github Skills (11)
user-manual10
catboost10
machine-learning10
ipython10
learn-ruby-on-rails10
basics10
python10
pandas9
kaggle8
scikit7
scikit-learn7
Programming languages (4)
Github contributions (5)
catboost/tutorials
Jun 2018 - May 2019
CatBoost tutorials repository
Role in this project:
Data Scientist
Data ScientistContributions:10 commits in 10 months
Contributions summary:Sergey contributed to CatBoost tutorials, primarily focusing on solving classification problems. Their work includes the use of the Amazon Employee Access Challenge dataset and demonstrates the implementation of CatBoost for machine learning tasks. The commits involved data preparation, defining categorical features, and evaluating label balance. The user's contributions showcase their understanding of applying CatBoost in a practical classification setting.
kagglepythoncatboostipython-notebookipython
sab/staged-recipes
Feb 2018 - Apr 2018
Contributions:6 pushes in 2 months
placeconda-forgerecipescondasubmit
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