Марина

MARYNA VYDYSHEVA
JUNIOR DATA ANALYST

CONTACTS SUMMARY

[open contact info](look above in the "contact info" section) Junior Data Analyst with a strong background in economics and accounting,
[open contact info](look above in the "contact info" section) and 13 years of professional experience, including 4 years in financial analysis
Nowy Dwór Mazowiecki and planning. Skilled in financial reporting, budget management, and
Poland performance analysis. Experienced in working with large datasets, ensuring
[open contact info](look above in the "contact info" section) financial accuracy, and supporting data-driven decisions. Proficient in MS
vydysheva Excel, SQL, and data visualization tools. Seeking an opportunity to apply
analytical and financial expertise to deliver valuable business insights.

HARD SKILLS PROJECT EXPERIENCE

Data analysis and visualization IT School "GoIT" 2025 - PRESENT
SQL querying and database Rrofitability and Delivery Analysis
management https://public.tableau.com/app/profile/maryna.vydysheva/viz/SuperstoreSalesDeliv
Data cleaning and transformation eryAnalysis/DeliveryTimeAnalysis
Statistical analysis and A/B testing Tools: Tableau
Marketing and product analytics Description: Analyzed profitability by sub-category and shipping mode,
(funnels, ROMI, cohort analysis) and studied delivery performance.
Business analytics reporting My tasks: Created visuals for profit %, delivery time, and order
distribution. Built a dashboard combining all analyses with filters (Order
TOOLS Date, Segment, Ship Mode).
Result: Improved understanding of profit drivers and delivery efficiency.
MS Excel, Google Sheets
Tableau, Looker Studio IT School "GoIT" 2025 - PRESENT
Marketing Analytics SQL
PostgreSQL, BigQuery
Python (Jupyter Notebook) https://console.cloud.google.com/bigquery?hl=ru&project=optimum-courier-470011-
v7&ws=!1m0
Pandas
Tools: SQL, Excel, GA4, BigQuery
NumPy
Description: Created SQL queries and dashboards to analyze daily ad
Google Analytics 4, Amplitude
spend, ROMI. Focused on identifying trends, top-performing days, and
SOFT SKILLS campaigns with the highest value and audience growth.
My tasks: Data aggregation and visualization ROMI and reach trend
Attention to Detail analysis. Performance benchmarking and campaign comparison
Problem Solving Result: Optimized reporting process and identified key factors driving
Communication and Teamwork marketing efficiency.
Task prioritizing
Punctuality
WORK EXPERIENCE
Responsibility
Stress resistance
09/2022 - PRESENT
Desire to learn J&M Logistics Sp. z o.o., Zakroczym, Poland
Information seeking Senior Warehouse Operator
Critical thinking Managed order sorting, packing, and warehouse inventory control.
Collaborated with other departments to ensure smooth logistics
operations
LANGUAGES
Regional branch office "Southern railway" 02/2018 - 09/2022
English - Pre-Intermediate "Ukrzaliznytsia"
Ukrainian - Native Economist
Polish – Intermediate Analyzed company’s financial and economic performance.
Prepared financial statements, expense and revenue forecasts.
Developed internal contracts and business activity plans.
Calculated financial indicators and pricing models.
EDUCATION
Regional branch office "Southern railway" 11/2004 - 02/2018
2025 "Ukrzaliznytsia"
IT School "GoIT" Accountant
Data Analysis Managed financial reporting, invoicing, and debt reconciliation.
Processed client payments and prepared tax documentation.
2025 Supported telecom service customers (corporate and private).
ITVDN Proficient MS Excel, Word.
Reporting and database updates.
SQL Fundamentals
Controlled contract execution and payment processing through Bank-
Practical training in SQL for data
Client system
querying and database analysis.

2023
UNITAR
Data Analytics Course
Data Analysis

2018-2019
Luhansk National Agrarian
University
Ukraine
Master’s Degree in Accounting and
Controlling

2004-2008
Ukrainian State Academy
of Railway Transport
Ukraine
Master’s Degree in Engineering Systems