Alexander Potehin

Project: online gambling platform Project Role: Back-End developer Tasks performed: Developed high-performance Rails backends for a large gambling platform, ensuring reliability/scalability. Integrated payment gateways and third-party APIs. Built custom admin dashboards for operations and reporting. Optimized PostgreSQL performance via efficient SQL, schema design, and strategic indexing. Wrote clean, maintainable, well-documented code. Handled testing, process/database optimization, and planning.

Project: “Audience Reporting” – event-level revenue performance reporting for app developers. Project Role: Back-End developer Tasks performed: Built analytics & forecasting tools. Created flexible reporting backend. Wrote normalization utilities from APIs to AWS. Handled DB, automated monitoring, built UIs. Testing, optimization, planning.

Project: Online e-commerce platform. It includes thousands of different online stores from around the world (including Amazon, Walmart, Target, Tmall, etc). Project Role: Development expert Tasks performed: Wrote Ruby scripts for data collection and bypassing online store locks. Automated monitoring/updates (Ruby, Bash). Generated MySQL reports. Built internal tools (Rails, Python, ClickHouse). Integrated JIRA, Grafana APIs. Mentored beginners.