Ігор

IHOR VOLOSHYN
DATA ANALYST

CONTACT PROFILE
Data Analyst. Results-driven Systems Analyst with a strong background in
x[відкрити контакти](див. вище в блоці «контактна інформація»)
FinTech crisis management and deep expertise in banking systems. Following a
[відкрити контакти](див. вище в блоці «контактна інформація») successful career in the financial sector, I transitioned into software
development (Python, Google Colab, SQL) and data analytics (Google Sheets,
Looker, Tableau). I am seeking a long-term opportunity within a product-driven
project that allows me to apply my analytical mindset and technical skills.

SKILLS
WORK EXPERIENCE
Programming Languages: Python,

Java, SQL. Data Analyst 2025 - PRESENT

Data Science & Analytics: Data Developed a SQL pipeline (CTE, JOIN/LEFT JOIN, COALESCE,
Wrangling, NumPy, Pandas, aggregates) to aggregate 866k+ messages and ~28k accounts;
performed sanity checks. Portfolio SQL Project
Matplotlib, Seaborn.

Databases: BigQuery, Conducted data analysis in Google Sheets: cleaning, KPI calculation,
pivot tables, visualizations, and interpretation of correlation and
PostgreSQL, MySQL, Oracle.
regression for business decisions. Portfolio Google Sheets Project.
Tools & Services: Google Sheets,
Developed interactive dashboards in Tableau (preparing and cleaning
Looker Studio, Tableau, Jupyter
data, creating multiple visualizations, integrating additional sheets,
Notebooks, Google Colab,
optimizing filters, and publishing to Tableau Public) to visualize
FlywayDB, Git, business metrics and support decision-making. Portfolio Tableau
Methodologies: SDLC, Waterfall, Projects.
Agile concepts (Scrum, Kanban) Cleaned and merged sales data (Python, pandas), fixed data types and
duplicates. Calculated key metrics (revenue, profit, orders) and
analyzed sales by category/country/channel (Python) Portfolio Python
LANGUAGES Project

English (Intermediate) Bank Kyiv, TASkombank, EuroBank, AcordBank 2011 - 2023
Head of the AML department;
AML process management, crisis management
Functioned as Product Owner in banking systems
Tech stack: Oracle RDBMS, MySQL, FreeBSD, MS Windows
Successfully passed 5 NBU audits with no penalties

EDUCATION
Specialist, Design Engineer of Radioelectronic 1981 - 1986
Equipment
Zaporizhzhia Polytechnic National University
Specialist, Finance 2005 - 2006
Zaporizhzhia National University