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Igor Poletaev

@igorpoletaev

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Data analyst/scientist with fintech experience transforming complex datasets into actionable business insights.

Serbia

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What I'm looking for

I seek a role where I can apply data analysis and ML skills to solve fintech problems, collaborate with cross-functional teams, and drive measurable business impact.

Data Scientist/Analyst with 3+ years of experience in fintech and insurance, specializing in decision making support and business performance analysis. Having a strong background in statistics, data analysis, and experimentation (A/B Testing) to generate actionable insights for product and executive teams, helped departments to change common-sense decision making into data-driven one. Experienced in building ETL / data pipelines, data visualization, and monitoring key metrics and KPIs. Proven ability to translate complex data into clear business recommendations impacting revenue, efficiency, and strategic planning.

Experience

Work history, roles, and key accomplishments

Data Analyst / BI Developer

Sberbank

Mar 2025 - Sep 2025 (6 months)

Developed BI dashboards and analytical reports to support business decision-making for product and sales teams, increasing data-driven coverage from 64% to 79%.
Built analytics for revenue tracking and financial performance monitoring, enabling monthly and quarterly planning and forecast accuracy for stakeholders.
Worked with Big Data technologies to process high-volume datasets efficiently.

SQL Python Data Engineering Hadoop Pyspark Analytics Data Analysis Financial Analysis Process Optimization

Data Analyst/Python Developer

Sberbank Insurance of Life

Sep 2022 - Mar 2025 (2 years 6 months)

Led the process of key metrics (LCR, SL40, KPI, etc.) tracking to provide C-level and various stakeholders with valuable insights, resulting in 17% decrease of time spent on strategic planning.
Performed statistical analysis and applied Statistics to identify trends, anomalies, and business insights.
Partnered with product, finance, and technical teams to translate business requirements

Python Pandas Docker Docker Compose PostgreSQL Postman Oracle PL SQL Analytics Data Analysis Financial Analysis Python Django Python Development CI CD

Junior Data Analyst

Banki.ru

Jun 2022 - Sep 2022 (3 months)

Performed ad-hoc analytics and developed a Population Stability Index metric that reduced mis-selling by 10%; implemented autonomous data pre-processing for AI models, increasing accuracy by 8%.

Python data preprocessing SQL Automation