Contact information

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You can get this candidate's contact information from https://www.work.ua/resumes/18190704/

Work experience

Дата-аналітик

from 03.2022 to 04.2025 (3 years 2 months)
dakota programming, Дистанційно (IT)

*Designed and automated end-to-end data pipelines ingesting XML, databases, and tracking systems into structured analytical layers, reducing data availability time from 1–2 weeks to 1 day (8–10x acceleration).
*Normalized complex nested XML structures into relational schemas and built aggregated analytical views for BI reporting.
*Optimized SQL queries (rewrote nested subqueries into JOIN + GROUP BY structures), reducing report execution time from 5–10 minutes to seconds.
*Led data quality initiatives (duplicate removal, invalid date standardization), improving reporting accuracy from ~80% to ~99%.
*Automated data validation and preprocessing using Python (Pandas), reducing manual preparation time by 80–90% and lowering reporting errors by up to 50%.
*Developed self-service dashboards in Power BI and Tableau with segmentation and drill-down capabilities for product, marketing, and operations teams.
*Built portfolio projects replicating real-world business cases (retention, revenue modeling, cohort analysis) using SQL and Python, published on GitHub: 🔗https://github.com/nataweb
Conducted independent analytical research on Kaggle datasets, transforming raw data into business insights with reproducible workflows. 🔗 https://www.kaggle.com/nataliawebmaster

Education

IT School GOIT

Data Analytics, Одеса
Higher, from 2025 to 2025 (less than 1 year)

Product Analysis
Marketing Analysis
Product Stages sush as: Acquisuition,Activitation,User Engagement,Retention,Monetization and theirs KPI's

ONMA

Navigation, Одеса
Higher, from 2008 to 2012 (4 years)

Knowledge and skills

• Analytical thinking
• PostgreSQL
• Здатність до навчання
• MS SQL Server
• MS Power BI
• Tableau
• Google Sheets
• Python
• Pandas
• NumPy
• Polaris
• A/B testing
• Statistics basic
• Ability to work in multitasking mode
• Google Analytics
• Looker Studio

Language proficiencies

• Ukrainian — fluent
• English — above average
• Turkish — above average

References

Abhijit Chattrejee

Abhijit Chattrejee

PMI,PMP,Solutions Architect Expert, Dakota Programming

Additional information

Detail-oriented and analytical professional with a strong ability to identify patterns, solve complex problems, and transform data into actionable insights. Passionate about continuous learning and improving skills in SQL, Python, and data visualization tools. Experienced in working on personal data projects and participating in data challenges. Strong communication skills with the ability to present complex findings clearly to non-technical audiences. Committed to data accuracy, integrity, and ethical use of information. Seeking a role in a collaborative, data-driven environment with opportunities for growth and meaningful impact.