Iryna

Iryna Matvieieva
Junior Data Analyst
Junior Data Analyst with hands-on experience working with data and
confident skills in Excel and Google Sheets, as well as basic knowledge of
SQL. Skilled in data cleaning, creating visualizations, and preparing reports.
Continuously improving my technical abilities, working with real datasets,
and committed to applying analytics to support business decisions.
CONTACTS
[открыть контакты](см. выше в блоке «контактная информация») PROJECT EXPERIENCE
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Financial Transactions Analysis, FinTech
[открыть контакты](см. выше в блоке «контактная информация»)
matvieieva-62a2b5383 Link:
@Ernepi https://docs.google.com/spreadsheets/d/1ngIk6k3yNmUAhAvcjt5SREGsHz
Constanta, Romania NCan8LwoMXhro2Zg4/edit?usp=sharing
HARD SKILLS Tools: SQL (BigQuery), Google Sheets, Pivot Tables, Data Visualization
SQL (beginner level: SELECT, JOIN, aggregation) Description: Analyzed 600+ transactions to identify user behavior, channel
Python (beginner level) performance (App, ATM, Web), and assess fraud risk.
Business Metrics ( (conversion, ARPU, LTV, My tasks: Data cleaning and structuring, KPI calculation (total spend,
retention, churn) average transaction, fraud rate), SQL queries, visualization, and reporting.
Data Cleaning & Validation Result: Identified key markets and user behavior trends, fraud rate ~2%, and
Data Storytelling provided recommendations to optimize product and marketing strategies.
Statistics
Fintech Executive Dashboard
Exploratory Data Analysis (EDA)
Data visualization (charts and insights presentation) Link:
Dashboard development and KPI tracking https://public.tableau.com/app/profile/iryna.matvieieva7421/viz/shared/NBT
A/B Testing 6DYN5P
Tools: Tableau Public, Excel
TOOLS
Description: Interactive dashboard for analyzing financial transactions with
Excel / Google Sheets (formulas, pivot tables, data
KPIs (Total Revenue, Total Users, Fraud Rate) and a Revenue Trend chart.
prep)
Idea: Provide a quick overview of transactions and identify trends/fraudulent
PostgreSQL / MySQL (query execution and data
activities.
extraction)
Tasks: Created KPI cards, trend chart, and interactive filters by channel and
Tableau
category.
Pandas, NumPy
Result: Dynamic dashboard that allows real-time transaction and trend
BigQuery
analysis; all KPIs and charts update automatically when filters are changed.
Jupyter Notebook

SOFT SKILLS WORK EXPERIENCE
Autonomous
Eager to learn Operator-commodity expert. Junior accountant
Punctual Freelance / Retail | 2019 – 2022
Ability to work efficiently both Managed inventory in 1C, performed data analysis, and prepared reports
individually and in a team (Excel, Google Sheets).
Fast learner Achievement: Optimized inventory processes and improved reporting
LANGUAGES accuracy.

English - Elementary
Public Relations Manager
Ukrainian - Native
UkrSat LLC / Internet | 2016 – 2017
EDUCATION Analyzed subscriber data and prepared reports to support business decisions.
IT School “GoIT” Achievement: Improved customer service processes through data-driven
Data Analysis insights.
2026
Admiral Makarov National University Alternative Sales Specialist
of Shipbuilding (Ukraine) Delta Bank PJSC / Banking | 2013 – 2015
Prepared credit reports, analyzed portfolio data, and assessed risks.
Specialist Degree in Enterprise
Achievement: Reduced credit risks through analytical processes.
Economics
2013