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Summary

I am Data Analyst with strong technical expertise, excellent communication skills, and a deep understanding of business performance. With 5+ years of experience in Retail, Fintech, E-commerce, and Marketplace industries, I have successfully delivered impactful data-driven solutions focused on retention strategies and business optimization. My portfolio includes numerous projects in building dynamic dashboards, automating reporting systems, and performing in-depth analysis of customer behavior, enabling business to increase retention rates and maximize lifetime value.

I specialize in leveraging data to uncover actionable insights, optimize workflows, and enhance decision-making processes. My expertise includes creating scalable data marts, create dashboards, and collaborating with stakeholders to align analytics with strategic goals. With a strong focus on retention, I have identified key drivers of customer loyalty and helped implement strategies that boosted retention rates and improved overall business efficiency.

Passionate about connecting data with business needs, I thrive on solving complex problems, mentoring teams, and driving data-centric transformations across multiple domains.

Skills

Databases
10
  • Google BigQuery
  • Postgresql
  • MS SQL Server
  • ClickHouse
  • MySql
  • MariaDB
Visualization
10
  • PowerBI
  • Google Looker Studio
  • SuperSet
  • Tableau
Data Analysis tools
10
  • Google Spreadsheets
  • Exel
  • Power Query (M)
  • Dax
Other
10
  • Git
  • Jira
  • Confluence
Communication and soft-skils
10
  • Strong communication and collaboration skills
  • Data storytelling

Work experience

Hillel IT Sсhool

2024-01Present
Lecturer

I am an experienced lecturer, conducting corporate and public courses focused on developing analytical skills and solving real-world business challenges. I design tailored programs for diverse audiences, combining practical applications with clear communication to empower participants to apply their knowledge effectively in professional settings.

NDA (E-commerce, Marketplace)

2023-04Present
Data analyst

Key Responsibilities

  • Dashboard Development:

    • Created dashboards in Power BI to accelerate business decision-making processes.
    • Built dashboards in Superset to improve data acquisition, optimize data control, and monitor key business metrics for stakeholders.
  • Ad-hoc Analysis & Insights:

    • Conducted ad-hoc investigations to provide actionable insights on product changes and performance trends.
    • Delivered detailed analysis and recommendations to support strategic decision-making.
  • Data Infrastructure & Processes:

    • Designed and implemented data marts to centralize and streamline data access.
    • Set up efficient ETL processes to ensure reliable and timely data pipelines.
  • Collaboration & Strategy:

    • Partnered with stakeholders to gather requirements, align analytics with business needs, and formulate data-driven strategies.
    • Provided clear conclusions and actionable recommendations based on analysis.

Business Performance Achievements

  • Reduced customer Unsubscribe rate by 3%, leading to increased customer retention.
  • Increased Open rates in targeted communication campaigns, boosting engagement.
  • Grew the share of revenue from retention channels to 12%, enhancing long-term customer value.
  • Improved conversion rates to second purchases, contributing to higher customer lifetime value.

FintechFarm (Outstaffed)

2022-092023-05
Data analyst

Key Responsibilities

  • Dashboard Development:
  • Created dashboards in Google Data Studio to support decision-making by providing clear, actionable insights into business performance metrics.
  • Built and optimized dashboards for stakeholders to track key performance indicators (KPIs) and make informed business decisions.

Ad-hoc Analysis & Insights:

  • Conducted in-depth ad-hoc analyses to understand product performance and recommend improvements.
  • Delivered insights based on A/B testing results, helping refine strategies and increase user engagement.

Data Infrastructure & Processes:

  • Developed and executed SQL queries to retrieve actionable data from the Data Warehouse, supporting operational needs across departments.
  • Set up and optimized ETL processes to ensure efficient data pipelines, improving the flow of accurate and timely data across systems.

Collaboration & Strategy:

  • Collaborated with business stakeholders to define requirements, ensuring that data solutions aligned with business objectives.
  • Worked closely with stakeholders to gather feedback, adjust reports, and continuously improve dashboard usability and performance.

Business Performance Achievements

  • Streamlined data acquisition and visualization processes, resulting in faster and more informed decision-making.
  • Enhanced data accuracy and reporting efficiency, supporting business operations and strategic initiatives.
  • Implemented successful A/B tests that contributed to improved customer engagement and increased conversion rates.
  • Improved the reliability and timeliness of data pipelines through optimized ETL processes, ensuring consistent and quality data availability.

GiniAnalytics

2022-022023-03
Data analyst

Key Responsibilities

Data Mart Enrichment:

  • Enhanced data marts by adding new predictors to improve business insights and forecasting accuracy.
  • Integrated additional data sources to support key business metrics.

Varus

2019-052022-01
Data analyst

Key Responsibilities

Dashboard Development:

  • Developed dynamic and interactive dashboards in Power BI, integrating data from multiple sources to provide actionable business insights.
  • Designed visually compelling reports and dashboards to track KPIs, trends, and performance metrics.

Analytical Reports & Automation:

  • Prepared detailed analytical reports to support decision-making, highlighting key trends and performance indicators.
  • Automated routine tasks and reports, improving efficiency and reducing manual effort.

SQL Optimization & Database Management:

  • Optimized SQL scripts for faster query execution and better performance across large datasets.
  • Documented the existing database structure, ensuring clarity and easy access to information for stakeholders.

Business Process Optimization:

  • Analyzed and identified areas for process improvement, implementing solutions to streamline business workflows.
  • Suggested and executed process changes to improve operational efficiency and reduce costs.

Teaching & Support:

  • Provided training and ongoing support for new colleagues, ensuring they understood database structures, reporting tools, and internal processes.
  • Acted as a mentor to help colleagues navigate and utilize business intelligence tools effectively.

Business Performance Achievements

  • Increased reporting efficiency by automating routine tasks, saving time and reducing errors.
  • Improved data accessibility and understanding through clear documentation of database structures.
  • Contributed to more efficient business operations through optimized SQL queries and process improvements.
  • Enhanced team performance by supporting new colleagues and ensuring they were well-equipped for their roles.

Education

Lectures, intensive courses, events

2022Present

Apache Superset Training

How to understand a product through metrics.
Must-have retention metrics.

LABA

2020-112021-02
Power BI and Power BI Advanced

Hillel

2019-092020-04
Introduction Python and Python Advanced

Level Up IT learning center

2019-012019-06
Management of SQL Databases

Oles Honchar Dnipro National University

Mathematical Mechanics Faculty

Specialist degree (2016)
Bachelor's degree (2012-2015)

Interests

I passionate about good food and cooking, stretching and yoga. I'm also mother of little boy and cat.