Case studies of my professional work
A comprehensive multi-module healthcare platform built on Oracle APEX 26.1, featuring 170+ screens and a normalized schema of 150+ relational tables covering patients, appointments, billing, clinical records, inventory, and pharmacy.
Rebuilt a legacy Fuel Tracking System from Oracle Forms 6i to Oracle APEX 24.2, delivering a modern bilingual interface and dashboards for 50+ concurrent users at a public telecommunications corporation.
A digital wallet prototype built with Flutter featuring Firebase authentication, transaction history, and clean architecture with provider state management patterns.