Gennady Petrishchev

Delivered the Product Finder feature over a 3-month milestone, building a search-driven research interface with filtering and analytics tables for products and shops. Developed a Chrome extension injecting analytics data directly into Etsy search pages. Developed Etsy Radar, an extension-powered dashboard surfacing real-time Etsy search activity. Built core user interfaces by translating product designs into reusable frontend components. Maintained and improved the frontend codebase with automated testing, monitoring, and error tracking.

Developed an Airflow-based workflow orchestration system deployed on Astronomer, automated company processes across research, finance, operations, and analytics. Designed and implemented DAG pipelines coordinating data ingestion, processing, and reporting across multiple internal and external systems. Built web scraping infrastructure to collect e-commerce marketplace data used for product research and business intelligence. Implemented automated testing and monitoring for data workflows, improving reliability of scheduled jobs and reducing operational errors.

Developed decentralized web applications. Implemented and deployed smart contracts on Ethereum test networks. Wrote unit and staging tests for backend smart contract functionality. Contributed to frontend integrations interacting with blockchain contracts.