Position: Data Analyst
Category: Data Analyst
English level: fluent
Years of experience: 1


Data Mining and Data Analytics Department Intern. Kazakhtelecom - Kazakhtelecom is the biggest telecommunication company in Kazakhstan. 
- Developed an geo-locational analysis of the market competitors for the marketing and sales department, thus leading to more focused propositions for possible customers using Python and 2GIS API
- Optimized data mining report, therefore decreasing number of errors arising in the report using SAS
- Continually provided data for the marketing and sales department using Oracle SQL

Business Analyst, Japan Tobacco International. JTI - retail company that holds most of the market share in the Central Asia and Mongolia region.
- Provided tobacco market split analysis using R and Excel
- Reported audit analysis of the tobacco sales in the vital sale points like chain
- Updated and controlled the data flow of the tobacco prices and maintained up-to-date state of the tobacco market state using R, Microsoft SQL, Excel

Junior Data Analyst, Kaspi Bank. Kaspi Bank is the fintech banking system that is one of the most significant bank by the user base in the Kazakhstan.
- Optimized and transferred the currently existing system of committee of financial monitoring using SQL
- Developed an model for identification of the lottery and financial pyramid organizers using LightGBM (accuracy 73%, ) 
- Deployed model of the classification of the fraudulent transactions on the bonus segment with 76% precision and 60% recall of all existing fraud in the segment via CatBoost

Main technological stack: Python, including but not limited to the data analysis and machine learning libraries sklearn, numpy, pandas, Catboost, LightGBM, and data vizualization libraries matplotlib, seaborn, SQL (Oracle, Microsoft), SAS Guide.

Minor understanding of C++, R and Power Bi.

Current role in the team is the antifraudulent analysis and model development on the bank's service segment. Would like to develop myself more in the ML/ DL side of the work.