Марта

MARTA BALA - Data Analyst

SUMMARY
Junior Data Analyst with experience in SQL Python Google Sheets and product
analytics
Skilled in data cleaning cohort analysis user activity metrics marketing
performance evaluation and building clear analytical reports
Strong analytical thinking business understanding and hands-on project
experience
Open to both office-based and remote roles

CONTACTS PROJECTS
User Retention & Cohort Analysis
Lviv Ukraine | Open to remote work Tools: SQL, Python, Power BI, Google Sheets
Email: [відкрити контакти](див. вище в блоці «контактна інформація») Description: Analyzed user activity, built retention cohorts, calculated
Phone: [відкрити контакти](див. вище в блоці «контактна інформація») DAU/WAU/MAU, churn and conversion
LinkedIn Result: Identified churn drivers and automated weekly retention dashboard.

HARD SKILLS Stack Overflow Developer Survey Analysis
Tools: Python
Data Analysis: SQL, Python, Data
Description: Analyzed a large real-world dataset: cleaned data, handled
Cleaning, ETL, Basic Statistics missing values, calculated central tendency metrics, grouped and filtered
Product Analytics: Conversion, responses.
Retention, Churn, Cohort Analysis, Result: Built a full analytical workflow across 8+ tasks, including statistics,
DAU/WAU/MAU, LTV, ARPU, Funnel percentiles, compensation analysis and Python-usage insights.
Analysis, A/B Testing
Visualization: Power BI, Looker
Studio, Google Sheets, Excel WORK EXPERIENCE
Communication: Data Storytelling,
International Office - LNUVMBT
Reporting
10/2024 — 08/2025
 Coordinated communication with partners and maintained structured
TOOLS documentation.
PostgresSQL, BigQuery, DBeaver,  Improved processing efficiency by organizing internal data workflows.
Power BI, Looker Studio, Google
Sheets, Excel Bartender - Bulgaria
06/2023 — 09/2023
 Managed customer service and multitasking in a high-load environment.
Soft Skills
Analytical thinking, Attention to detail,
Communication, Self-organization, EDUCATION
structured approach, fast learning  Lviv National University of Veterinary Medicine and Biotechnologies
Bachelor`s Degree in Management | 2022 — 2026
 UF Startup School Incubator 2025
 GoIT Data Analytics Program 2025 — present
LANGUAGES
 English B2
 Polish B1
 Spanish A1
 German A1
 Bulgarian A1