Data Engineer

• Apr 2022 - Present

Head Of Development Department

• Jun 2019 - Mar 2022

- Facilitated software development of second-best CPA platform for real estate in Russia, increasing data quality by 15% - Designed Data Lake platform through Google Cloud, Data Studio, and BigQuery to implement data-driven decision-making procedures, increasing operational efficiency by 7% - Led modernization of technology stack and transferred infrastructure from Germany to Russia, reducing operating cost by 15% - Managed team of 9 developers and oversaw production of 3 new software applications, achieving successful integration into company’s existing infrastructure Show less

Development Team Lead

• Jun 2016 - Jun 2019

- Developed concept, technical requirements, and documentation for call tracking service project with 200K$ budget - Implemented data warehouse(DW) architecture and developed service API - Improved product through research, gathering data, and feedback from 50+ internal and external clients, achieving 10% improved client satisfaction - Managed 2 IT projects, collaborating with 11 developers, engineers, and analysts, reducing IT operating costs by 15% - Developed concept, technical requirements, and documentation for call tracking service project with 200K$ budget - Implemented data warehouse(DW) architecture and developed service API - Improved product through research, gathering data, and feedback from 50+ internal and external clients, achieving 10% improved client satisfaction - Managed 2 IT projects, collaborating with 11 developers, engineers, and analysts, reducing IT operating costs by 15%

Advertising Specialist

• Feb 2014 - May 2016

- Automated collection of data from 5 different advertising systems through API(Python), increasing operational efficiency by 20% - Spearheaded launch of 9 advertising campaigns; analyzing and improving campaign effectiveness by 25%, through utilizing tools on Google Ads, Facebook, and Yandex Direct - Set up Google Analytics, Yandex Metrica, and Google Tag Manager, resulting in increased tracking for reporting while increasing reporting accuracy by 3% - Automated collection of data from 5 different advertising systems through API(Python), increasing operational efficiency by 20% - Spearheaded launch of 9 advertising campaigns; analyzing and improving campaign effectiveness by 25%, through utilizing tools on Google Ads, Facebook, and Yandex Direct - Set up Google Analytics, Yandex Metrica, and Google Tag Manager, resulting in increased tracking for reporting while increasing reporting accuracy by 3%

Senior Data Analyst

• Feb 2010 - Jan 2014

- Created data warehouse for Marketing department and wrote extract, transform, load(ETL) pipelines through PL/SQL for building data marts, increasing data quality by 45% - Collaborated with database analysts in building predictive analytics model which helped to define most valuable regions for 4G-internet covering - Developed web portal to view dashboards and download statistics reports, helping 50+ regional departments to plan, conduct, and analyze marketing activities, resulting in 18% increased volume of data transfer Show less