Олексій

Oleksii Kuzmenko # [open contact info](look above in the "contact info" section)

Work Experience
09/2025 -– Junior Data Analyst, PWC, Lviv, Ukraine
04/2026 Worked with data ob tained from various financial ERP systems (1C, SAP, MS Dynamics 365, and
others).
Wrote database queries using SQL Server Management Studio (SSMS).
Transformed data by creating workflows in Alteryx / using MS Excel.
Worked with ETL processes and prepared reports.
Consolidated and validated data from various sources and formats (Excel, CSV, TXT, PDF).
Performed data reconciliation and analyzed discrepancies.
07/2025 -– Freelance Data Analyst, Developer, Kyiv, Ukraine
09/2025 Developed a financial data consolidator for finance directors to improve transparency and understanding
of business performance metrics.
Processed and transformed data using Python according to client requirements and reporting format
needs.
Implemented cumulative sum calculation logic for analyzing financial performance trends.
Developed a system for identifying accounts and transactions to ensure accurate matching of financial
operations.
2023–2024 Junior Data Scientist, Nanit Robot, Kyiv, Ukraine
Successfully conducted A/B testing to validate hypotheses and optimize advertising campaigns.
Developed and analyzed user segments to improve conversion rates and enhance targeted advertising.
Created interactive dashboards for lead monitoring and course analysis, enabling managers to make
data-driven decisions.
Prepared regular reports on course sales and advertising campaign performance.
Normalized user data (numerical values, dates) to improve the accuracy of analysis and forecasting.

Education
2019—2025 BSc & MSc, State University of Telecommunications
Computer Science

Technical skills
○ Python, SQL
○ Excel, Alteryx, EmEditor
○ scikit-learn, Plotly, LightGBM

○ Jupyter Notebook, Visual Studio Code, PyCharm

Additional information
Languages English,Ukrainian