Наталія

NATALIIA
MARCHENKO
Product and Service Quality Analyst

CONTACTS PROFILE:
[open contact info](look above in the "contact info" section)
Analytical specialist with experience in Google
Telegram LinkedIn Sheets, QA, and data analysis. Skilled in working with
Kyiv, Ukraine formulas, reports, Pivot Tables, dashboards, and data
validation. Experienced in analyzing business
TECHNICAL SKILLS metrics, maintaining structured datasets, and
ensuring data accuracy. Detail-oriented, systematic,
Data Analysis & Reporting and eager to grow as a Data Analyst.

● Google Sheets (Advanced) WORK EXPERIENCE
● Microsoft Excel (Intermediate)
● Advanced formulas QA Trainee — Team Challenge Group
(VLOOKUP/XLOOKUP, INDEX-MATCH,
(Freelance Projects) | 2023–2025
QUERY, FILTER, ARRAYFORMULA,
SUMIFS, COUNTIFS, IF) ● Tested web and mobile applications,
● Pivot Tables, dashboards, and charts ensuring product quality, data accuracy,
● Data cleaning, validation, and quality and business logic.
control ● Analyzed defects, user flows, and testing
● Reporting, KPI tracking, and data results to identify issues and improvement
visualization opportunities.
● Created and maintained structured
Analytics documentation, including test cases,
checklists, bug reports, and test reports.
● Business and user data analysis
● Validated data, verified expected results,
● Process and funnel analysis
and collaborated with developers and
● Data collection and structuring
project managers to resolve issues.
● Performance reporting
● Data-driven decision making Achievements

Tools ● Improved the quality and consistency of
testing documentation.
● Google Sheets, Microsoft Excel, Google
Docs
 ● Looker Studio (Basic) ● Identified critical functional and usability
● BigQuery (Basic) issues before product release.
● Jira, Trello, Notion ● Strengthened analytical and data validation
● CRM systems skills through systematic testing and
● Figma, Canva reporting.
● AI tools for data processing and task
automation
TRANSFERABLE EXPERIENCE
Quality Assurance
Online Store Manager
● Functional and UI/UX testing
● Maintained Google Sheets reports to track
● Validation of business logic and user
sales performance, inventory, pricing, and
flows
campaign results.
● Cross-browser and responsive testing
● Analyzed sales, customer behavior, and
● Root cause analysis
website performance to identify growth
● Strong attention to detail and data
opportunities.
accuracy
● Worked with formulas, structured datasets,
and reports to ensure data accuracy and
CERTIFICATES: support business decisions.
Business Assistant Internship — Core (part ● Coordinated content updates and
of FRACTAL), 2025 certificate monitored implementation with designers
and developers.
Data Analytics — GoIT, 2025 (data validation,
reporting, Google Sheets, and analytical Achievements
skills). certificate
● Improved sales performance through
SMM Fundamentals — Prometheus, 2025 data-driven analysis and optimization.
certificate ● Built reporting tables that increased
visibility into key business metrics.
QA Manual Technical Pro —Hillel IT School, ● Reduced operational errors by
2024 (functional testing, data validation, implementing structured reporting and
UI/UX, and quality assurance) certificate quality control processes.
certificate
Event Manager — Gestalt Consulting Group |
2003–2016
LANGUAGES:
Ukrainian – Native ● Prepared reports, budgets, schedules, and
English – B1 (Intermediate) project documentation.
● Collected, organized, and maintained
project data for planning and reporting.
EDUCATION: ● Coordinated multiple projects while
Master’s Degree in Publishing and Editing – tracking deadlines, budgets, and task
Igor Sikorsky Kyiv Polytechnic Institute (2003) completion.
● Improved internal workflows by
standardizing documentation and reporting
processes.