Зоя

ZOIA ASHMARINA
DATA ANALYST

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@AZoyaV GitHub

LinkedIn Kyiv, Ukraine/ remote/ relocate

SUMMARY
Analyst with experience in the financial and industrial sectors, proficient in MS Excel, SQL, Python, Tableau and SAP ERP.
Prepared over 70 academic materials; optimized accounts receivable and export processes, reducing reconciliation time
by 30%; and ensured financial data accuracy in cooperation with banks and customs authorities. Experienced in the full
credit cycle, risk analysis, and improving team efficiency through training and onboarding new employees. Developed
analytical reports and data visualizations to support management decision-making and business process optimization.
Holds two Master’s degrees in Finance and Economic Cybernetics.

PROFESSIONAL EXPERIENCE EDUCATION
DATA ANALYST Mate academy Data Analytic
(May 2025 - Dec 2025) (2025) (Link to Certificate DA)
Performed data collection, cleaning, and preprocessing using Excel and Master’s Degree in Finance,
Banking and Insurance
Python to prepare datasets for analysis and reporting.
Kryvyi Rih National University
Created and optimized SQL queries. (2018 – 2020)
Developed interactive dashboards and visual reports in Tableau. Master’s Degree in Economic Cybernetics
Applied statistical methods to validate analytical findings. (with honors)
Analyzed A/B test results, including experiment planning, metric Kryvyi Rih National University
evaluation, and result interpretation. (2010 -2015)
Implemented several analytical projects using Python, Tableau, Google
Sheets, and SQL. SKILLS
Spreadsheets: Pivot Tables, Data Cleaning, Visualization
ACCOUNTING AND AUDIT SPECIALIST SQL: Advanced Queries, Window Functions, Query
ArcelorMittal Kryvyi Rih Optimization, Common Table Expressions (CTE)
(From Oct 2019) Python: Pandas, NumPy, Matplotlib, Seaborn,
Optimized accounts receivable and export operations, reducing Exploratory Data Analysis (EDA)
reconciliation time by 30%, while maintaining accurate records of export Tableau: Interactive Dashboards, Data Storytelling,
transactions, invoices, and customs declarations. Publishing
Statistics: Sampling, Hypothesis Testing, Correlation,
Prepared analytical reports on currency inflows, receivables, and contract
Statistical Significance
performance, ensured compliance with foreign exchange regulations,
A/B Testing: Planning, Analysis, Reporting
and coordinated documentation and communication with banks, Other Tools: GoogleColab, Google Analytics, MS Excel,
forwarders, customs brokers, sales, and finance teams. Git, MS PowerPoint, SAP ERP, CRM, AI
Languages: English (Intermediate)
COPYWRITER/REWRITER
Avtor Work PORTFOLIO
(Mar 2024 - May 2025)
Project 1 (SQL Projects) – Activity comparison and user
Prepared over 70 academic materials: scientific articles, analytical
segmentation by country (Link to review)
reviews, conference abstracts, presentations.
Project 2 (Tableau Projects) – Geographic & Product
Ensured 100% compliance with academic standards Sales Analysis (Link to review)
Project 3 (Python Projects) – Sales Dynamics Analysis
LEADING SPECIALIST (Link to review)
PUMB
(Oct 2015 – Mar 2019)
ACHIEVEMENTS
Achieved 80% of planned performance by consulting clients and selling
I read regularly (40–50 books per year)
banking products, which contributed to the growth of income from
Author of two of my own scientific articles published
retail lending.
in specialized publications.
Increased the efficiency of the team by training and training new Summited Hoverla and Khomyak; experienced in
employees, which accelerated their adaptation to work processes. week-long camping treks.