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Регистрация: 20.06.2025

Марина Сунгатуллина

Специализация: Data Analyst / Product Analyst
— Data Analyst with a strong background in product and financial analytics, specializing in SQL, A/B testing, and BI tools.Passionate about turning complex data into actionable insights to optimize business performance. — Experienced in costanalysis, A/B test design, and dashboard creation, driving data-driven decisions across multiple teams. Proven ability tooptimize financial operations, reduce costs, and enhance reporting efficiency.
— Data Analyst with a strong background in product and financial analytics, specializing in SQL, A/B testing, and BI tools.Passionate about turning complex data into actionable insights to optimize business performance. — Experienced in costanalysis, A/B test design, and dashboard creation, driving data-driven decisions across multiple teams. Proven ability tooptimize financial operations, reduce costs, and enhance reporting efficiency.

Скиллы

Python
SQL
A/B Testing
PostgreSQL
ClickHouse
Greenplum
BigQuery
Tableau
Power BI

Опыт работы

Product Data Analyst
12.2023 - 02.2025 |Tinkoff Bank
SQL, A/B Testing, PostgreSQL, ClickHouse, Python
● Designed and analyzed A/B tests for payment services, optimizing conversion rates. ● Built interactive dashboards in Superset, improving financial reporting across teams. ● Migrated reports from Tableau to Superset, reducing dashboard maintenance time. ● Led a cost analysis of SMS communication, identifying major spending categories and proposing cost-saving measures. ● Reviewed SQL code for query optimization, improving execution speed. ● Reduced SMS communication costs by 15% through in-depth expenditure analysis. ● Increased dashboard efficiency by 30% after migrating from Tableau to Superset. ● Improved payment process insights, leading to a 5% increase in transaction success rate.
Data Analyst | Consumer Cooperatives Market
02.2022 - 07.2023 |Central Bank of Russia
SQL, A/B Testing, PostgreSQL, ClickHouse, Python
● Collected, processed, and analyzed raw financial data to assess market trends. ● Developed an analytical chatbot, streamlining data access for internal teams. ● Created a methodology for working with financial data, improving reporting accuracy. ● Conducted market research and provided insights for financial policy decisions. ● Reviewed reports and mentored new analysts for faster adaptation.

Образование

Economics / Finance
2018 - 2022
Saint-Petersburg State University of Economics

Языки

АнглийскийСреднийРусскийРодной