Діана

OLIVIA
DIANA 1 2 30- 6
465-68-6748-9009 7 0

SANCHEZ
ZAPLETNIUK h e l l o @ r e a l l y g r e a t s i tTee.lceogm
w w w . r e a l l y g r e a t s i tLei. n
cokm
ram
edIn
DATA ANALYST
Administrative Manager [відкрити контакти](див. вище в блоці «контактна інформація»)

Kyiv, Ukraine | Open to remote work | Open to relocation

SUMMARY

Data Analyst with hands-on experience in SQL, Python, Tableau, Excel, Google Sheets, statistics, and A/B
testing gained through practical projects. Skilled in data cleaning, exploratory data analysis, dashboard
creation, and translating data into actionable business insights. Experienced in writing complex SQL queries,
working with BigQuery, building interactive Tableau dashboards, and analyzing A/B tests.

WORK EXPERIENCE

Data Analyst May 2026 - Present
Performed data extraction and analysis using SQL (JOINs, CTEs, Window Functions, Aggregations).
Cleaned and transformed datasets using Python (Pandas, NumPy).
Conducted Exploratory Data Analysis (EDA) and identified business insights.
Built interactive dashboards and visualizations in Tableau.
Performed statistical analysis, hypothesis testing, and A/B test evaluation.
Worked with Google BigQuery, Jupyter Notebook, and Git.
Presented analytical findings and business recommendations.

Portfolio
Project 1 (SQL Analysis ): Link to review
Project 2 (Python Data Analysis): Link to review
Project 3 (A/B Testing): Link to review

Merchandiser FESKO Sep 2024 - Feb 2025
Maintained product placement according to merchandising standards.
Monitored product availability and inventory.
Collaborated with store staff to ensure product visibility.
Paid close attention to detail and maintained high-quality execution.

EDUCATION

Bachelor's Degree with Honors in Computer Science Sep 2021 - Jun 2025
Kyiv National University of Trade and Economics (KNUTE)

ADDITIONAL EDUCATION
Data Analyst course at Mate academy

KEY SKILLS

SQL Looker Studio Data Analysis
Python BigQuery A/B Testing
Tableau Google Sheets/Excel