Marina S.

Data Analyst Data Engineer @Itsbiznet - It Services Business Network

Chicago, IL, US

Manipulated and analyzed data from a big data environment, using SQL and Python, resulting in a 55% improvement in customer profiling• Identified and recommended pricing adjustments based on customer behavior analysis, resulting in a 20% increase in monthly revenue and a 35% increase in targeted marketing conversation rates• Designed and implemented data warehouse solutions, reducing ETL processing time by 20% and enhancing data integration efficiency • Enhanced data analytics capabilities by leveraging Snowflake\'s cloud-based data warehousing platform, leading to a 40% improvement in query performance and enabling the analysis of multi-terabyte datasets• Utilized Microsoft Azure\'s cloud-based data warehouse capabilities to create a unified and scalable database from diverse data sources, streamlining the data cleaning, merging, and automation processes• Performed root cause analysis on a recurring customer service issue, leading to a 25% reduction in customer complaints and improved customer satisfaction scores• Created operational reporting in Power BI, Tableau, and QlikView to find areas of improvement for contractors, leading to a $0.8 million boost in revenue

Plekhanov Russian University of Economics

Doctor of Philosophy - PhD, Экономика

Higher School of Economics

Master's degree, Public Administration

Plekhanov Russian University of Economics

Bachelor of Science - BS, Economics and Management of trade organization

Moscow Institute of Physics and Technology (State University) (MIPT)

Postgraduate Degree, Big Data Engineering

Rennes School of Business

Student Exchange Programme, International Business/Trade/Commerce