LiveCS—03

CadenceA patient app and scheduling platform for a hospital network

Client
Multi-specialty hospital network
Industry
Healthcare & healthtech
Platforms
iOS · Android · Web
Timeline
9 months · 2025
9:41CADENCEGood morning,AshaNext appointmentTue · 10:30Dr. Mehta · Cardio…Tue · 10:30Blood test resultsReady to viewPhysiotherapyThu · 17:009:41This weekDr. Mehta · CardiologyMTWTFSSBlood test resultsViewPhysiotherapyBookedContinue

01The challenge

Patients juggled phone calls, paper reports and separate portals for each hospital. No-shows were high and front-desk teams were overwhelmed.

02Our approach

We ran research in four hospitals, shadowing front desks and interviewing 60 patients and doctors, then prototyped the booking journey until first-time users could finish it in under a minute.

Behind the app sits a scheduling engine that integrates with the hospitals' existing systems over HL7 and FHIR, balances doctors' capacity and sends smart reminders.

03The outcome

Booking, reports and payments now live in one place. Patients book in seconds, and hospitals fill slots that used to go empty.

04Results

average app store rating
4.8★
fewer missed appointments
38%
appointments booked in year one
1.2M

05What we built

Inside Cadence

  • 01Appointment booking across 14 hospitals
  • 02Lab reports and prescriptions in the app
  • 03Smart reminders and waitlists
  • 04UPI and card payments
  • 05Accessible design, tested with older patients
Clinician typing on a laptop beside a stethoscope
Healthcare & healthtechMulti-specialty hospital network

06Architecture

How it fits together.

A simplified view of the production system. Client-specific details are omitted.

System architecture · simplifiedCS—03
CLIENTSCLOUDiOS appNative or React NativeAndroid appNative or React NativeWeb appNext.jsAPI gatewayAuth · rate limitsCore APINode.jsSync serviceOffline-firstNotificationsPush · SMS · emailMonitoringCrashes · performancePostgreSQLPrimary dataCacheRedisJob queueScheduled workIntegrationsPayments · partnersCore componentData storeNetwork boundary
Mobile
React NativeTypeScript
Backend
Node.jsPostgreSQLRedis
Integrations
HL7FHIR
Cloud
Azure
“They challenged our assumptions in discovery and shipped a better product because of it. Patients tell us it is the easiest hospital app they have used.”
Chief Digital Officer · Multi-specialty hospital network

07More work

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