Андрій

АNDRII DAVYDENKO
DATA ANALYST

CONTACTS PROFILE
[відкрити контакти](див. вище в блоці «контактна інформація») Experienced Data Analyst with over 2 years of experience building ETL
[відкрити контакти](див. вище в блоці «контактна інформація») pipelines, automating processes, and working with large data volumes.
LinkedIn profile Specialized in Python (Pandas, NumPy), SQL, data orchestration, and
creating automated dashboards. Implemented solutions for report
SKILLS optimization, incremental data loading, and analytics visualization in
Programming languages
energy and IT sectors.
Python, SQL, HTML/CSS
WORK EXPERIENCE
Libraries/Frameworks
February 2026 - April 2026
Pandas, NumPy, Matplotlib, Seaborn,
Scikit-learn, Flask, Selenium, Playwright Data Engineer / Data Analyst| BSG
Databases • Developed a complete ETL pipeline using data orchestrator for
automated incremental data extraction and transformation
Oracle, MySQL, SQLite, MongoDB
• Optimized SQL queries to database, resolving server overload issues
Tools
• Implemented time localization logic and mapping with external data
Docker, Git, Jupyter Notebook, VS Code,
PyCharm, Excel, Power BI, Apache sources to ensure data integrity
Superset, PLEXOS • Created transformation layer with data grouping and aggregation for
Gold Layer, reducing data volume by 90%
Data Engineering
ETL/ELT pipelines, Data orchestration, • Configured automatic dashboard updates in Apache Superset with
Incremental loading analytics viewing for entire observation period
• Developed ER diagrams and data flow diagrams for analytics structuring
Methodologies
and data documentation before pipeline development
Agile, Scrum, Kanban
• Created separate SQL queries for ad-hoc analysis and solving stakeholder
Testing business questions, maintained up-to-date documentation
A/B tests, Pytest, Unittest, Selenium
WebDriver
April 2024 - February 2025
EDUCATION Strategy and Business Analyst | DTEK
2016 - 2022 • Automated modeling results processing using Python (Pandas,
Master’s Matplotlib), reducing report preparation time by 60%
Kyiv Polytechnic Institute, Department • Implemented automated file downloading using Selenium and
of Renewable Energy Sources Playwright
LANGUAGES • Created and maintained database for market indicators monitoring
• Developed dynamic Excel templates using openpyxl and XlsxWriter for
Ukrainian
reporting standardization
Native
• Configured and validated forecasting models in PLEXOS, identifying and
English eliminating data errors
Upper-Intermediate (B2)
February 2022 - October 2022
Data Analyst | TIDISI DALNOBOI
• Developed automated reporting system based on Jupyter Notebook for
data integration from 1C and Oracle
• Wrote automated tests using Selenium WebDriver with Page Object
pattern
• Created SQL queries for data extraction and analysis from Oracle and
SQLite
• Visualized data using Excel and Power BI for management reports

CERTIFICATES
• Kaggle – Intro to Machine Learning (2025)
• Kaggle – Intermediate Machine Learning (2025)
• Coursera – Python for Data Science, AI & Development (2022)
• Coursera – Data Analysis (2022)
• Stepik – Python Basic Course (2022)
• Khan Academy – Linear Algebra Course (2022)

PROJECTS
Student Performance Analysis (Kaggle)
Machine learning project for predicting academic performance using Python,
Pandas, Scikit-learn
kaggle.com/code/andrewdavyd/andrii-d-student-performance