HADONG PARK

selected work

Projects

Systems and products focused on operational visibility, data quality, and measurable outcomes.

visual snapshots

Behind the Work

Large self-service kiosk device during testing.

Booting up kiosk system, later we had to fix the hardware issue adding internet antennas because we had to use windows 7 (old system)

Prototype electronics board with card detection display.

A RFID card reader project which did not go into production because of the cost of the project.

dashboards • reporting • product systems • automation •

Sales & Operations Dashboard

Power BI / Excel / SQL
  • Analyzes sales trends, top products, inventory levels, and monthly KPIs.
  • Uses SQL datasets and Power BI visuals for executive reporting.

EventSphere App

React Native / PostgreSQL / Azure
  • Built relational schema and reporting-ready backend structure.
  • Designed user analytics tracking for engagement metrics.