⌘ Implemented initial data checks and set automated alerting; ⌘ Set up collecting, publishing and monitoring data metrics to add clarity and awareness to the team;⌘ Moved data-processing logic from Redshift to Athena with a new enhanced data model;as the only one Data Engineer in a product team (all hail Data Mesh!) trying to JOIN best practices from the both worlds.

⌘ Implemented a streaming solution on Flink to power up a TOP1 DataMart;⌘ Improved performance of ETL tasks by 30% applying Greenplum’s MPP specifics;⌘ Reduced DataMarts’ downtime by 15% via automated Data Quality checks;with a high-skilled team of Data Engineers and System Analysts, we managed the most technically advanced Data Warehouse in Russia. Inspired by the Data Mesh approach we considered data as our main product and consumers as our clients. Our main focus was on SLA and quality of the data we served. § Streaming Stack §: Logbroker (Yandex's message broker) → DataTransfer (Yandex's CDC / Connector) → Apache Flink → ClickHouse → DataLens (Yandex's BI)§ Tech Stack §: YTsaurus (Hive-like) for Data Lake, Greenplum for Data Warehouse, ETL, Data Marts, Data Quality

Helped to build 8+ Cloud Data Warehouses for variety of clients. Being in charge of the entire development life cycle for the projects: from initial infra set-up and extract & load to layer modelling and preparing data marts with dashboards for the clients.

managed the procurement 'pipeline': from Manufacturers and Transportation to Distribution Centers and Warehousing- Supplier Research & Negotiation- Supplier Relationship Management- Supplier Contract Management- Strategic Sourcing & Cost Savings- Review & Analytics