Особисті дані приховані

DARIA KIRIUKHINA
DATA ANALYST

Mullingar,Ireland [відкрити контакти](див. вище в блоці «контактна інформація») https://t.me/loi_loi_loi [відкрити контакти](див. вище в блоці «контактна інформація»)
remote in Ukraine [відкрити контакти](див. вище в блоці «контактна інформація») daria-kiriukhina-4839ba385/

SUMMARY
Data Analyst with hands-on experience in SQL, BigQuery, Python, Pandas, Excel, Google Sheets, Tableau, Power BI, and
statistical analysis, developed through practical analytics projects. Experienced in data cleaning and quality assessment,
business and sales analysis, customer and user behavior analysis, KPI reporting, and data visualization. Built end-to-end projects
using large datasets, including an e-commerce analysis of 349K+ sessions and an A/B testing project covering 4 experiments
and 4 conversion metrics using two-proportion z-tests. Skilled at translating raw data into structured analysis, measurable
metrics, and actionable business insights. I also use AI tools to accelerate research, data processing, problem-solving, and
routine analytical tasks. Currently developing professional Data Analytics skills through hands-on training at Mate Academy.

EDUCATION PORTFOLIO
Project 1 — SQL Business & Customer Analytics
2018 - 2019
MASTER’S DEGREE OF SECONDARY Analyzed email campaign performance, sales performance, customer
EDUCATION (GEOGRAPHY)
engagement, and country-level business metrics using SQL. Applied data
POLTAVA V.G. KOROLENKO NATIONAL aggregation, JOINs, CTEs, window functions, KPI calculations,
PEDAGOGICAL UNIVERSITY segmentation, and ranking to identify business and customer performance
patterns.
2016 - 2018
BACHELOR’S DEGREE WITH HONOURS IN
[https://github.com/lointaiine-cloud/data-analytics-portfolio/tree/main/SQL]
ECOLOGY

ODESSA NATIONAL ACADEMY OF FOOD
Project 2 — Excel Sales & Business Analysis
TECHNOLOGIES Analyzed retail sales, shipping, logistics, and business performance using
Excel. Worked with sales KPIs, revenue and profit, product categories,
SKILLS countries, regions, sales channels, customer types, shipping performance,
sales dynamics, weekday patterns, regression analysis, and ABC analysis.
SQL, BigQuery [https://github.com/lointaiine-cloud/data-analytics-portfolio/tree/main/Excel]
Python, Pandas, NumPy
Excel, Google Sheets Project 3 — Python Data & Statistical Analysis
Tableau, Power BI Performed end-to-end data analysis using Python and Pandas, including data
Data Cleaning & Data Quality Analysis cleaning and quality assessment, sales and business analysis, e-commerce
and user behavior analysis, statistical hypothesis testing, and A/B testing.
Exploratory Data Analysis (EDA)
Worked with large datasets, calculated KPIs and conversion metrics, applied
A/B Testing & Hypothesis Testing
statistical tests, and analyzed statistical significance and sample size
Customer & User Behavior Analysis requirements.
SDLC, Waterfall, Agile concepts (Scrum, [https://github.com/lointaiine-cloud/data-analytics portfolio/tree/main/Python]
Kanban)
Project 4 — Tableau Data Visualization & Dashboards
LANGUAGES Created interactive Tableau dashboards to visualize and communicate
analytical results from sales, e-commerce, user behavior, and A/B testing
Ukrainian — Native projects. Developed KPI views, trends, comparisons, segmentation,
Russian — Fluence geographic analysis, conversion metrics, and statistical results to present
English — Upper-Intermediate complex analytical findings in a clear and business-oriented format.
[https://public.tableau.com/app/profile/daria.kiriukhina/vizzes]