ArogyaSync Platform
Clinical data sync from bedside vitals to an audit trail.
API Uptime
API Latency (p95)
Integrated Services
Tech Stack
The problem
Clinics in rural India were recording patient health data on paper. When patients moved between clinics or lost their records, doctors had no history to work from. The system had to work with unreliable internet and keep insurance claims tied to tamper-proof records.
The challenge
Rural and semi-urban clinics were generating patient vitals data on paper, which led to transcription errors, sync delays of 12 to 24 hours, and data loss during network outages. The platform had to handle concurrent writes from hundreds of field devices and deliver them while offline. Insurance verification also had to compare live patient data with insurer CSV registries and keep an immutable audit trail.
Architecture & System Design
Multi-service cloud deployment: REST API handles clinical data management with real-time streaming to dashboards. Blockchain service anchors medical records for immutable audit trails. Mobile app uses offline-first local storage with automatic sync when reconnected. Separate service for insurance eligibility verification against CSV registries.
The platform is built as a set of independently deployable services running on AWS EC2 (Mumbai, ap-south-1). The Go/Gin REST API handles clinical CRUD, real-time WebSocket streaming, and authentication. A Python Flask blockchain service anchors record hashes to Polygon Amoy testnet for tamper-proof audit trails. A separate Python Flask insurance service processes insurer CSV files and performs eligibility cross-checks with scheduled APScheduler jobs. The Flutter mobile app uses an offline-first sync queue (WorkManager equivalent + SQLite) to survive connectivity gaps. Three React dashboards (hospital, device management, insurance portal) provide real-time visualisation via WebSocket and REST polling.
Results
ArogyaSync is live across a pilot network of field health workers. The API sustains 99.9% uptime with p95 latency under 150ms. The blockchain anchor service has recorded thousands of immutable medical events on Polygon. The insurance portal handles bulk CSV verification jobs, cutting manual eligibility checks from days to minutes. The hospital dashboard provides real-time multi-patient vitals monitoring with historical chart exports.
Gallery & Demos
Hospital Dashboard - Live Patient Monitor
One patient's heart rate, SpO₂, blood pressure and temperature streaming from the bedside module, with a one-hour trend.
Hospital Dashboard - Ward Grid
Every monitored bed on one screen, with device status and alerts for the clinical team.
Insurance Portal - Eligibility Verification
Bulk CSV verification jobs that replace manual eligibility checks.
Device Portal - Fleet Operations
Registered IoT modules, connectivity status and firmware state across the pilot network.
Flutter Mobile App - Live Vitals
The field health worker's view of a patient's live readings.
Marketing Website
arogyasync.com, the public face of the platform.
Admin Console - Overview
Hospitals, accounts, devices and insurance partners managed from one admin view.
Device Portal - Fleet Overview
Every bedside module with connectivity, firmware and alert state.
Insurance Portal - Risk Analytics
Patient risk patterns built from verified vitals evidence.
Hospital Dashboard - Floor Plan
Monitored beds placed on the ward's own floor plan.
Mobile App - Beds
Bed and patient status for staff on the ward floor.
ArogyaSync IoT Module - Bedside Installation
The ArogyaSync hardware module physically mounted onto a bedside patient monitor. It captures vitals data directly from the monitor and transmits it wirelessly to the cloud platform.
ArogyaSync IoT Module - Live Vitals Capture
The IoT device clipped onto a running patient monitor displaying SpO₂ and heart rate. The module reads and streams real-time vitals to the hospital dashboard without manual data entry.
Flutter Mobile App - Offline-First Vitals Entry
Field health workers capture patient vitals offline; app syncs automatically when connectivity returns. Demonstrates WorkManager + SQLite queue rewiring tempIds with server-issued IDs.
Hospital Dashboard - WebSocket Real-Time Updates
Live patient vital streams updating without polling. Dashboard subscribes to sensor channels; vitals broker fan-outs in-memory with per-connection write serialization.
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Live Demos
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Interested in this work?
I can walk through the architecture and code during an interview.