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Mobile healthcare application for remote medical services

Expertise:
Mobile
Backend
UI/UX Design
Frontend
DevOps
Tech Stack:
React Native
Node.js
MongoDB
AWS
PostgreSQL
Client: HealthTech Startup
A European-based healthtech startup focused on transforming how people access healthcare services. The company is developing a mobile platform for convenient interaction with healthcare professionals — from consultations to prescriptions — aiming to reduce the load on clinics and improve patient outcomes.
About the Client
The client sought to launch a mobile application that would serve as a comprehensive medical assistant in the user's pocket. The app needed to support remote consultations, provide access to medical history, simplify appointment booking, and ensure secure digital prescriptions and payments — all while complying with healthcare data regulations. The client lacked an in-house development team and needed a technology partner capable of delivering the full product lifecycle.
Project Overview

Challenges & Objectives

The team was tasked with developing a mobile-first, secure, and scalable solution that empowers users to manage their health remotely. Key objectives included:
  • Enabling real-time video and audio consultations with doctors.
  • Implementing secure sharing of images, documents, and videos for diagnosis.
  • Creating a digital prescription system integrated with pharmacies.
  • Providing online and offline access to medical records.
  • Developing an intuitive booking system with reminders and notifications.
  • Integrating secure and convenient payment methods.
  • Ensuring full compliance with healthcare data protection laws.
  • Strengthening application security through two-factor authentication and data encryption.
Implementation
To deliver a seamless and secure healthcare experience, the following steps were taken:
  • 01
    Built cross-platform apps using React Native, ensuring a consistent experience across iOS and Android.
  • 02
    Integrated WebRTC for secure, high-quality video/audio calls between patients and doctors.
  • 03
    Used AWS S3 for secure file storage, enabling patients to share PDFs, videos, and images.
  • 04
    Developed a prescription module for doctors to issue valid digital prescriptions directly in the app.
  • 05
    Synchronized medical records via a cloud-native backend with offline mode support for accessibility in low-connectivity areas.
  • 06
    Created a booking and notification system using Firebase Cloud Messaging, allowing for automatic reminders and personalized alerts.
  • 07
    Implemented Stripe and mobile-native payment methods for seamless billing and payment tracking.
  • 08
    Applied OAuth 2.0 and 2FA to secure logins and protect sensitive patient data.
  • 09
    Ensured compliance with GDPR and HIPAA by adopting encryption, access control, and data retention best practices.

Outcomes & Business Impact

The healthcare application significantly improved digital patient care and streamlined doctor-patient communication. Key results included:
  • 40% increase in user retention in the first three months post-launch.
  • 10,000+ successful video consultations conducted within six months.
  • 25% reduction in missed treatments due to timely digital prescriptions.
  • 30% decrease in average wait time for consultations.
  • Significantly improved patient satisfaction and engagement through personalized reminders and easy access to medical history.
  • The app helped position the startup as a trusted digital healthcare provider in its region, attracting new partnerships and investor interest.
  • Achieved high marks in external security audits, confirming readiness for large-scale adoption.
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