Поліна

Polina [відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)
Bestuzheva LinkedIn
Junior Data Analyst / Junior github.com/polinabestuzheva0204
System Analyst Cherkasy, Ukraine

SUMM ARY

Academic background in System Analysis and Data Science, with experience in Python programming, data analysis, statistical
analysis, time series forecasting, machine learning, and database management. Strong analytical thinking and problem
solving skills applied to data processing, predictive modeling, and technical problem solving.

EXPERIENCE

System Administrator (Practical Training) 08/2026 - 10/2026
LLC "Ola Fain" - Hotel Ukraine, Kyiv, Ukraine
Installed and configured portable Wi-Fi access points; installed and crimped Ethernet cables in the hotel shelter and office.
Managed Windows user account and access management, network connectivity, and troubleshooting technical issues.
Performed hardware maintenance by disassembling and cleaning laptops and desktop PCs, and cleaning SSD drives.

Project "Time Series Analysis and Forecasting" 09/2026 - 12/2026
Analyze meteorological time series using statistical methods, distribution analysis (Weibull, Gumbel), and stationarity
testing (ADF).

Project "Electricity Consumption Forecasting for Smart Grid Systems" 04/2026 - 06/2026
Trained and evaluated Decision Trees, Random Forest, and Gradient-Boosted Tree models using MAE and RMSE.

EDUCATION

System analysis and Control 09/2025 - 01/2027
National Technical University of Ukraine 'Kyiv Polytechnic Institute' - Master's degree

Computer Systems Analysis/Analyst 09/2021 - 06/2025
National Technical University of Ukraine 'Kyiv Polytechnic Institute' - Bachelor's degree

SKILLS

Data Sciense
Machine Learning Advanced Statistical Analysis Advanced

Python

Databases

L ANGUAGES

Ukrainian Native English Intermediate