All work

HackGT 12 · 2025

MedSignal

I helped build a FHIR-compliant medication-management application connecting patients and physicians through secure, synchronized workflows.

Expanded technical stack

  • React Native
  • Expo
  • TypeScript
  • Node.js / Express
  • FHIR R4
  • Medplum
  • JWT authentication
  • OpenAI Vision
  • Geolocation APIs
  • QR codes
  • Encrypted storage
  • Medication adherence
  • Mobile / full-stack development
MedSignal heart and pulse logo
MedSignal project identity

Overview

Our team designed MedSignal to combine patient adherence tools, physician-facing medication oversight, and standardized health-data exchange.

My contribution

I integrated prescription scanning with vision models, geolocation pharmacy lookup, and QR-based patient and physician linking. I also implemented JWT authentication, encrypted storage, end-to-end Medplum/FHIR synchronization, medication reminders, adherence dashboards, and a workflow chatbot.

Challenge

We wanted to reduce the friction between prescription intake, medication reminders, adherence tracking, and physician oversight.

Technical approach

Our team combined mobile workflows with FHIR data exchange, secure authentication and storage, vision-assisted prescription intake, pharmacy lookup, and QR-based account linking.

Result / outcome

At HackGT 12, our team built an end-to-end proof of concept that captured prescription information with vision assistance, structured it as FHIR data, synchronized it through Medplum, and surfaced it in connected patient and physician workflows. QR-code linking, pharmacy and geolocation lookup, JWT authentication, encrypted storage, reminders, adherence dashboards, and a workflow chatbot brought the medication-management flow together in one system. MedSignal demonstrated how interoperable health data and accessible workflow tooling can reduce fragmentation between prescription intake, medication tracking, and physician oversight. We published the project overview and source code for review.