Олександр Veteran

Oleksandr
Korobchuk
DATA ANALYST

About Me Experience
As a highly motivated professional with a
Data Analyst, From July 2025
Master’s degree in Telecommunications and
Radio Engineering from NTUU “Igor Sikorsky Project 1
Kyiv Polytechnic Institute,” I bring a strong Tools: BigQuery, SQL, Looker
analytical foundation and a passion for data The project includes analysis of user account creation dynamics, email
analysis. I possess nearly a year of experience activity, and user behavior across various segments, such as account
as a Data Analyst and over a year and a half verification, subscription status, and email engagement (sending,
of technical experience as Testing Engineer, opening, and visits).
where I honed my problem-solving abilities Project 2
and attention to detail. My Upper- Tools: Google Sheets, Pivot Tables
Intermediate English proficiency and The project involves analyzing sales results across various dimensions,
collaborative nature enable me to including continents, countries, devices, traffic channels and product
communicate effectively and work seamlessly categories.
within a team to deliver high-quality results. Project 3
Tools: Tableau
The project involved visualizing key performance indicators and traffic
Contact sources, providing data-driven insights that enabled stakeholders to
[open contact info](look above in the "contact info" section) optimize marketing strategies and make informed business decisions.
[open contact info](look above in the "contact info" section) Project 4
Telegram Tools: Python, Numpy, Pandas, Seaborn, Matplotlib, Google Colab
LinkedIn The project focuses on cleaning and analyzing multi-year global sales
Kyiv, Ukraine, remote, relocate data from physical and online stores. Visualizing patterns and extracted
business insights.
Skills
Military service at Armed Forces of Ukraine, Feb 2022 – May 2025
Spreadsheets: Pivot Tables, Data Cleaning,
Data collection, processing, and visualization (reports, charts,
Visualization
dashboards).
SQL: Advanced Queries, Window Functions,
Identifying patterns, trends, and root causes.
Common Table Expressions (CTE)
Python: Pandas, NumPy, Matplotlib, Working with spatial and geospatial data.
Seaborn, Exploratory Data Analysis (EDA) Communicating insights effectively through presentations.
Tableau: Interactive Dashboards, Publishing Decision-making based on data in high-responsibility environments.
Statistics: Sampling, Hypothesis Testing,
Correlation, Statistical Significance Manual QA engineer at DDA Production, Jan 2020 – Sep 2021
A/B Testing: Planning, Analysis, Reporting
Manual Mobile testing iOS and Android (functional and non-functional
Other Tools: Google Analytics, Excel, Git
testing, exploratory and ad hoc testing, UI, localization, screen position,
mobile app version).
Language Manual Web application testing (functional and non-functional testing,
English (Upper-Intermediate) exploratory and ad hoc testing, cross-browser testing).
Ukrainian (Native) Requirement Analysis/Testing and Documenting.
Experience in writing and execution: test cases and checklists.
Active communication in command and managers.
Education
(2016-2021) Manual QA engineer at DDA Production, Jan 2020 – Sep 2021
NATIONAL TECHNICAL UNIVERSITY OF UKRAINE
Manual Mobile testing iOS and Android (functional and non-functional
«IGOR SIKORSKY KYIV POLYTECHNIC
testing, exploratory and ad hoc testing, UI, localization, screen position,
INSTITUTE»
Bechalor’s and Master’s degree mobile app version).
Telecommunications and radio engineering Manual Web application testing (functional and non-functional testing,
exploratory and ad hoc testing, cross-browser testing).
Requirement Analysis/Testing and Documenting.
Addition Education Active communication with client support engineers.
Data Analyst course at Mate academy Active communication in command and managers.
Python advanced course at Cursor.Education
JetStar_Python (with Odoo) Development
Course