Андрій Davydenko
@davydenko
Data Analyst building ETL pipelines, automated dashboards, and analytics from large datasets.
UkraineWhat I'm looking for
I build ETL pipelines that automate incremental extraction, transformation, and loading across Oracle, MySQL, SQLite, and MongoDB, including time localization and data integrity logic.
At BSG, I optimized SQL to resolve server overload issues, created a transformation layer for the Gold layer, and set up automated dashboard updates in Apache Superset for continuous observation-period analytics.
Earlier, I automated reporting with Jupyter Notebook for data integration from 1C and Oracle, wrote SQL for extraction and analysis, and visualized results in Excel and Power BI—backed by Python (Pandas, NumPy) and automated testing with Selenium.
Experience
Work history, roles, and key accomplishments
Data Engineer/Data Analyst
BSG
Feb 2026 - Apr 2026 (2 months)
Developed a complete ETL pipeline using data orchestrator for automated incremental data extraction and transformation. Optimized SQL queries to resolve server overload issues.
Strategy and Business Analyst
DTEK
Apr 2024 - Feb 2025 (10 months)
Automated modeling results processing using Python, reducing report preparation time by 60%. Implemented automated file downloading using Selenium and Playwright.
Education
Degrees, certifications, and relevant coursework
Kyiv Polytechnic Institute
Master's, Renewable Energy Sources
2016 - 2022
Master's degree in Renewable Energy Sources from Kyiv Polytechnic Institute.
Availability
Location
UkraineAuthorized to work in
Job categories
Skills
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