Position: Data Analyst
Category: Data Analyst
English level: intermediate
Years of experience: 5


Data Analyst
Crypto Wallet (British-based FinTech company) 03/2021 - 07/2023 Kyiv, Ukraine
Developed and implemented PowerBI and MS SQL data visualization dashboards, resulting in improved business efficiency.
Optimized SQL queries through tables, indexes, functions, and procedures, reducing data processing time by 70-100%.
Analyzed and fulfilled client marketing requests, improving client satisfaction ratings by 15%.
Collaborated with business units to develop customized BI dashboards, improving data accuracy and efficiency by 25%.
Conducted detailed data analysis and reporting on company performance metrics using PowerBI, resulting in improved decision-making.
Improved query performance and data validation during DWH migration, increasing query performance by 3x.
Managed team tasks delegation based

Data Analyst
IT-solutions provider
7/2020 - 03/2021 Kyiv, Ukraine
Developed and implemented complex business reports MicroStrategy BI, improving visibility and decision-making for senior management.
Wrote efficient SQL queries in TeraData Studio, reducing report generation times by up to 50% and improving database performance.
Created optimized tables, views, and macros, and OLAP cubes that enabled faster data analysis and reporting, reducing the time needed to generate reports by up to 75%.
Successfully led a project to migrate product analytics from Excel to MicroStrategy BI, resulting in improved accuracy and efficiency in data analysis and reporting.

Data/Business Analyst
Bank
01/2019 - 06/2020 Kyiv, Ukraine
Developed more then 20+ complex business reports used DWH, TeraData, Oracle BI to support data-driven decision-making.
Completed a project to automate financial reporting for Visa/MasterCard.
Analyzed KPIs to support data-driven decision-making.
Developed the report "Macroeconomic Indicators" (42 pp.) for automatic sending to clients.

Bank
Сhief economist 
03/2012 - 12/2018 Kyiv, Ukraine
Analyzed data sources and developed input requirements for primary data. Developed procedures for unloading, cleaning, transforming, and loading data. Designed data architecture for clearing, transforming, downloading. Developed business rules for the payment system.
Planned and configured data warehouse processes. Provided operational support and conducted manual QA.
In my next role, I am looking for a position where I can leverage my extensive experience in data analysis, data visualization, and business intelligence to drive actionable insights and enhance decision-making. I succeed in a collaborative and dynamic environment where I can work cross-functionally with different business units to deliver tailored data solutions.