Summary
Overview
Work History
Education
Skills
Timeline
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Abubakir Koshek

Data Scientist
Astana

Summary

Dynamic Data Scientist with a proven track record at 7 Generations, enhancing model performance by up to 15% through advanced feature engineering and loss function optimization. Excelled in mathematics education at Nazarbayev Intellectual School, fostering student success in international competitions. Skilled in Python, machine learning, and research. Have rich background in mathematics.

Overview

5
5
years of professional experience
3
3
Languages
4
4
years of post-secondary education

Work History

Data Scientist

7 Generations
08.2024 - Current
  • Model Optimization:
    Evaluated 8-10 loss functions for an existing model, implemented them in the pipeline, tested 9 models, and identified the best loss function, improving metrics by 10-15%.
  • Feature Engineering:
    Conducted in-depth research on TLS payload, Client Hello, and Server Hello messages.
    Developed a parser to extract fields from byte strings and introduced new features, boosting model performance.
  • Prompt Engineering:
    Created a pipeline for website categorization using OpenAI API to predict themes, geographies, and languages for web services.
    Tested 10-12 prompt engineering strategies (e.g., Chain of Thought) to optimize predictions.
  • Labeling Tool Development:
    Developed a user-friendly tool using Selenium, Streamlit, and Tshark to simplify and accelerate labeling.
    The tool automates dataset processing, pcap generation, and dynamic selection of categories (e.g., Geo, Theme, Languages, App Platform), reducing errors and increasing labeling speed.

Mathematics Teacher

Nazarbayev Intellectual School
08.2023 - 07.2024
  • Participated in creating, refining and organizing mathematics curriculum for 7th and 10th grade students.
  • Provided meaningful math instruction to improve math skills of children.
  • Enhanced classroom engagement through interactive and collaborative activities, contributing to improved student outcomes.
  • Trained students for national and international mathematical olympiads like Kazakhstan National Olympiad and International Zhautykov Olympiad.
  • Helped in organization of special mathematics training camps for the top students from Kazakhstan NIS schools, participated as trainer: prepared problem sets and mock olympiads, gave lectures on advanced techniques in math olympiads and navigated students in solving problems.

Teaching Assistant

Moscow Institute of Physics and Technology
09.2019 - 04.2023
  • Helped with grading assignments and tests, providing constructive feedback to students based on results.
  • Supported classroom activities, tutoring, and reviewing work.
  • Worked with lecturer to optimize learning plans based on student test grades and evaluations.
  • Weekly instructed students during problem solving sessions and seminars.
  • Completed daily reports on attendance and disciplinary performance.

Education

Bachelor of Science - Theoretical Physics

Moscow Institute of Physics And Technology
Moscow, Russia
09.2016 - 07.2020

Skills

Python programming

Timeline

Data Scientist

7 Generations
08.2024 - Current

Mathematics Teacher

Nazarbayev Intellectual School
08.2023 - 07.2024

Teaching Assistant

Moscow Institute of Physics and Technology
09.2019 - 04.2023

Bachelor of Science - Theoretical Physics

Moscow Institute of Physics And Technology
09.2016 - 07.2020

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Abubakir KoshekData Scientist