Особисті дані приховані

About Me
Professional data analyst with 2+ years of experience in the public sector.
I specialize in data preparation, cleaning, analysis and creating interactive
dashboards in Power BI and Tableau for management decision-making.
I am proficient in SQL for data processing and analysis, Python for process
automation and in-depth analysis, and Google Sheets for rapid data
processing and visualization. I have experience working with large amounts
of data, its structuring and creating understandable insights. Responsible,
result-oriented, with strong analytical skills and the ability to work in a
team.

Experience

KATERYNA Ministry of Finance of Ukraine

YAZVINSKA
Chief Specialist 03/2023 - Present
developed 5+ interactive dashboards in Power BI, which improved
data access for management and reduced reporting time
Data Analyst design and optimize data queries using DAX
support and training users on working with analytical tools
providing general aspects of customs policy and development of
Contact customs legislation in Ukraine

Specialized Laboratory for Expertise and Research of the
[відкрити контакти](див. вище в блоці «контактна інформація») State Customs Service of Ukraine
Chief State Inspector-Expert 10/2021 - 03/2023
[відкрити контакти](див. вище в блоці «контактна інформація»)
analysis of goods and identification of risk indicators
preparation of conclusions and reports
Telegram
conducting expertise of goods for customs purposes

LinkedIn
Portfolio
Ukraine, Kyiv

Online store sales analytics (SQL, Python, Tableau)
The project analyzed sales and users, determined sales dynamics by
various factors, and established statistical relationships. This helped
Skills determine the main sales market, the most profitable products, peak sales
periods, and the relationship between variables.

Power BI: DAX, Power Query Analysis of A/B test results (SQL, Python, Tableau)
The project analyzed 4 A/B tests on key conversion metrics, which helped
Tableau: Interactive Dashboards, Data determine the success of these tests and the feasibility of their
implementation in business.
Storytelling, Publishing

SQL: Advanced Queries, Window Functions, Query
Education
Optimization, Common Table Expressions (CTE)
Data Analyst course at Mate academy
Spreadsheets: Pivot Tables, Data Cleaning, 2024 - 2025

Visualization Kyiv National University of Trade and Economics
Master Degree in Customs Affairs (with honors)
Python: Pandas, NumPy, Matplotlib, Seaborn,
2020-2021
Exploratory Data Analysis (EDA) Bachelor Degree in Management of Product Safety and Quality (with
honors)
Statistics: Sampling, Hypothesis Testing,
2016-2020
Correlation, Statistical Significance

A/B Testing: Planning, Analysis, Reporting Achievements
Languages: English (Intermediate)
Prize winner of the All-Ukrainian Chemistry Olympiad

Expert Examination of Leather in International Trade: Ukrainian
Experience. Scientific article in Scopus scientometric database in the
journal Revista de Pielarie Incaltaminte on the topic , 2023