Yaryna

Yaryna Uhryn CONTACT
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
Data Analyst Telegram
LinkedIn
Ivano-Frankivsk, Ukraine / remote
Can work during blackouts
SUMMARY
Data Analyst with 4 years of experience in Web3 operations, where system testing, process optimization, and
operational analysis built a strong foundation for solving business problems with data. Skilled in SQL,
Python (Pandas, NumPy), BigQuery, Tableau, and Google Spreadsheets to extract, analyze, and visualize
data. Built end-to-end analytics projects involving data cleaning, exploratory data analysis, KPI reporting,
dashboard development, and A/B testing. Focused on transforming complex datasets into actionable
recommendations that drive strategic business growth.

WORK EXPERIENCE
Nov 2025 - Now
Data Analyst
Data Extraction & Transformation: Extracted, cleaned, and transformed raw data using SQL (JOINs, CTEs,
Window Functions) and BigQuery for analytical modeling.
Exploratory Data Analysis & Statistics: Conducted EDA in Python (Pandas, NumPy) and Google Sheets to
identify trends, user behavioral patterns, and anomalies.
A/B Testing & Hypothesis Validation: Designed and evaluated A/B tests, including hypothesis formulation,
primary metric selection, and statistical significance testing.
Data Visualization & Reporting: Built interactive dashboards in Tableau and Looker Studio to track key business
KPIs and deliver actionable insights.

Portfolio:
E-Commerce Sales Analytics Project
Built an end-to-end e-commerce sales analytics project using SQL, Python, and Tableau to analyze customer
behavior, traffic channels, and revenue drivers. Extracted raw data from BigQuery, conducted EDA and statistical
hypothesis testing in Python, and built an interactive executive Tableau dashboard.
GitHub repository: E-commerce Sales Analytics Project
SQL Projects
Analyzed account creation dynamics and email interaction events across global markets using BigQuery SQL. Built a
pipeline with CTEs and Window Functions to compute totals, rank country performance, and segment users by
verification and subscription status.
GitHub repository: E-commerce Sales and email analytics
Other SQL Examples: GitHub SQL Collection
Retail Sales EDA & Performance Analysis
Performed end-to-end data processing and EDA on a global retail dataset using Python (Pandas, NumPy, Matplotlib,
Seaborn). Consolidated relational datasets, cleaned data anomalies (including encoding and duplicate issues), and
evaluated revenue drivers, shipping efficiency, and sales channel performance to deliver strategic business insights.
GitHub repository: Retail Sales EDA & Performance Analysis
Tableau Projects
Developed interactive dashboards to visualize key performance metrics, regional sales trends, and user retention
based on processed SQL datasets.
Tableau

Web3 Operations Analyst / QA Specialist Feb 2022 - Mar 2026

Project Research & Analysis: Conducted fundamental analysis of Web3 and DeFi projects to identify early-stage
platforms for testing, deployment, and potential ecosystem rewards.
System Automation & Account Management: Managed accounts operations, set up proxies, and configured
anti-detect browsers to simulate user journeys and ensure node reliability.
Testnet & Mainnet QA Testing: Executed functionality testing across various testnet and mainnet environments,
identifying bugs, providing feedback, and verifying smart contract interactions.
Task Management & Operations: Prioritized activities, set operational workflows for project execution, and
tracked progress across multiple blockchain ecosystems.

Jun 2021 - Feb 2022
Restaurant Administrator at Prykarpattya

Operations & Shift Management: Coordinated daily restaurant operations, scheduled staff shifts, and ensured
compliance with service standards to maintain smooth workflow.
Customer Service & Conflict Resolution: Managed guest inquiries, handled complex feedback, and resolved
operational challenges to ensure high customer satisfaction and retention.
Financial & Inventory Tracking: Monitored daily sales reports, controlled inventory levels, and tracked shift
metrics to minimize waste and optimize operational costs.
Team Leadership & Training: Onboarded and trained new team members, allocated responsibilities, and
fostered a collaborative, high-performing environment

EDUCATION AND TRAINING
Institution: Kyiv National Technical University of Trade and Economics 2016 - 2021
Qualification and Degree: Bachelor/Master in Food technology

Data Analyst course at Mate academy

Getting Started in Google Analytics

SKILLS
SQL: Advanced Queries, Window Functions, Query Optimization, Common Table Expressions (CTE)
Python: Pandas, NumPy, Matplotlib, Seaborn, Exploratory Data Analysis (EDA)
Tableau: Interactive Dashboards, Data Storytelling, Publishing
Power BI: Data Modeling (DAX), Interactive Dashboards, Power Query
Statistics: Sampling, Hypothesis Testing, Correlation, Statistical Significance
A/B Testing: Planning, Analysis, Reporting
Spreadsheets: Pivot Tables, Data Cleaning, Visualization
SDLC: Waterfall, Agile concepts (Scrum, Kanban)
Other Tools: Jupyter Notebooks, Google Analytics, Excel, Git, BigQuery, Figma, Notion
Languages: English (Intermediate)

ACHIEVEMENTS
2nd Place in Regional Computer Science Competition
Multiple Winner of National & Regional Ballroom Dancing Championships
Graduated Music School (Piano)