Ганна

Hanna Hladyshkevych
Data Analyst
hladyshkevychhanna​@gmail.com [открыть контакты](см. выше в блоке «контактная информация») Kovel, Ukraine Linkedin

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SUMMARY

Detail-oriented Data Analyst with hands-on experience in SQL, Python (Pandas, Seaborn), Excel, and
Tableau. Completed end-to-end analytics projects covering product metrics, customer segmentation, funnel
performance, cohort analysis, and A/B testing using statistical methods (t-test, ANOVA, chi-square). Created
interactive dashboards and Python-based reports (Colab), delivering actionable insights. Intermediate (B1)
English speaker with strong communication and mentoring skills developed through years of coaching.

SKILLS
Spreadsheets SQL Python for Data Analyst
Pivot Tables, Data Cleaning, Advanced Queries, Window Pandas, NumPy, Matplotlib,
Visualization Functions, Query Optimization, Seaborn, Exploratory Data
Common Table Expressions Analysis (EDA)
Tableau (CTE)
Interactive Dashboards, Data A/B Testing
Storytelling, Publishing Statistics Planning, Analysis, Reporting
Sampling, Hypothesis Testing,
Other Tools Correlation, Statistical
Google Colab, Jupyter Significance
Notebooks, Google Analytics,
Excel, Git Languages
English (B1), Ukrainian (native)

EXPERIENCE
02/2025 – 05/2026 Data Analyst
Created end-to-end analytical workflows: extracted and transformed data in
•

BigQuery SQL and Google Sheets performed EDA and statistical analysis in
Python, and presented findings in Tableau/Looker dashboards.
Identified key funnel drop-offs and growth opportunities through user and
•

product performance analysis.
Executed A/B tests with sample size estimation and statistical validation (t-test,
•

chi², ANOVA) and interpretation of conversion uplift; prepared business-readable
conclusions for decision-making.
Built interactive dashboards to enable segment-based KPI tracking and decision-
•

making.

PROJECTS
Online Store Sales Analytics (SQL · Python · Tableau)⁠
Built a unified e-commerce dataset in BigQuery from sessions, orders, accounts, and events. Performed
segmentation, correlation, and statistical testing (t-test, Mann–Whitney, ANOVA) in Python. Visualized
sales and user behavior across categories, countries, devices, and channels in an interactive Tableau
dashboard.
A/B Test Analysis — EV vs CC (Python · Tableau)⁠
Analyzed conversion metrics across behavioral events using Python; automated calculations and performed
z-test and chi-square significance testing. Prepared a final analytical dataset and built a Tableau dashboard
with multi-dimensional filters (country, device, channel).

Sales Analytics in Google Sheets (Google Sheets · Visualization · ABC Analysis)⁠
Performed end-to-end sales analysis in Google Sheets: data cleaning, KPI calculation, and multi-dimensional
analysis by category, region, channel, and time. Built pivot tables, formulas, and charts, conducted ABC
(Pareto) analysis, and delivered a structured report with visualizations.

Advanced SQL & Looker Studio – User & Market Analysis (SQL · Looker Studio)⁠
Built a BigQuery SQL model using CTEs, JOINs, CASE, and window functions to analyze user activity and
market trends across countries, channels, and devices. Applied segmentation and engagement
classification, and delivered an interactive Looker Studio dashboard with core KPIs and time dynamics.

EDUCATION
Master Degree in Accounting and Auditing
Interregional Academy of Personnel Management (IAPM)
(Data Analysis, Financial Reporting, Excel, Quantitative Reasoning)

Master Degree in Primary Education (Pedagogy)
Lesya Ukrainka Volyn National University
(Structured Thinking, Presentation, Data Interpretation, Research Skills)

ADDITIONAL EDUCATION
Data Analyst (13)⁠ Digital Competency (20)⁠ Coach training (8)⁠
(SQL, Python, Tableau, A/B
Testing, Statistics, EDA)

ACHIEVEMENTS
Awards (7)⁠
Awarded 10+ official recognitions for professional excellence, innovation in education, and leadership,
including national and municipal awards from the Ministry of Education and Science of Ukraine.

Coaching (7)⁠
Coached award-winning teams at national STEM and robotics competitions (FIRST LEGO League, Robotica,
ROBOfirst). Speaker with strong communication and mentoring skills developed through years of teaching
and coaching.

Expert appraisal and audit (5)⁠
Expert evaluator for teacher certification and institutional audits.