CompanyOn Mobile

Mobile
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RoleFull Stack Developer & Mobile Architect
Duration2018 - Present

React Native mobile app for healthcare clinicians with offline-first, EVV, GPS tracking and biometric security.

Built the CompanyOn React Native mobile app from scratch — enabling healthcare clinicians and home care workers to document visits, manage schedules, process EVV verification, and sync data in real-time, even without internet connectivity.

Key Features

  • Built entire React Native (CLI) app from scratch with TypeScript and Redux Toolkit
  • Implemented EVV (Electronic Visit Verification) with GPS geolocation and timestamp compliance
  • Engineered offline-first architecture with WatermelonDB and automatic background sync
  • Integrated biometric authentication (fingerprint + Face ID) for HIPAA compliance
  • Built real-time calendar and route mapping for mobile clinicians
  • Developed mobile billing workflows with payment capture and claim processing
React NativeTypeScriptReduxOffline-firstGPSBiometrics
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