Hey 👋, I’m Alex

My passion is turning raw data into clear, actionable insights. I help companies transform business requirements and raw data into fully functional, insightful reports and dashboards.

Recent Projects

Work Experience

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Senior Data Engineer

10.2023 – present • Constructor.com, AI-powered search and product-discovery tools for e-commerce sites

Developing analytics as a product using PySpark for data transformations. Providing merchandisers with ClickHouse-powered dashboards that visualize shopper behavior and the effectiveness of manual interventions. Also building a Python service that enables running A/B experiments.

Data Engineer

01.2017 – 10.2023 • Profi.ru, leading services marketplace with over 12 mln customers

Built a 1 TB data warehouse from scratch and 40+ data marts in Vertica, created impactful visualizations in Tableau and Metabase, implemented a streaming analytics system processing 5,000 events per second based on Apache Flink, and led the development of an A/B testing platform that reduced experiment result time from 2 days to 5 minutes with Python and ClickHouse under the hood.

Junior Product Analyst

02.2015 – 04.2016 • Alfa-lab, online banking department of Alfa-bank

Reinvented the way mobile banking app customers manage recurring payments by delivering an outstanding user experience driven by customer-development methodology and Google BigQuery data.