Senior React Native Engineer

About EasyRx
EasyRx is an innovative US healthcare technology company revolutionizing how patients access prescription medications through local pharmacies. Our platform connects patients, doctors, and local pharmacies to provide cost-plus prescription delivery - making healthcare more accessible and transparent.
You will own our patient-facing React Native mobile app and contribute to our [protected info] web frontend, working directly with our PM and a collaborative Vietnam-based engineering team.
Role Overview:We're seeking a Senior Mobile Engineer whose primary ownership is our React Native customer app (iOS + Android), and who can also contribute to our [protected info] web applications. You'll take a released app to the next level: shipping features, managing store releases, and keeping everything compliant with US healthcare (HIPAA) requirements.
Location: Hybrid (team based in Đà Nẵng and HCMC). For candidates in HCMC, you will work remotely until we have our office set up.
Employment: Full-Time.
Level: Senior (6-8 years).
Start: As soon as possible.
Primary ResponsibilitiesMobile (-80%)
Own, develop, and maintain the EasyRx patient app in React Native for iOS and Android.
Manage the end-to-end release process: builds, versioning/build labels, App Store Connect and Google Play submissions, feature flags, staged rollouts, and rollbacks.
Implement and maintain push notifications, deep linking, in-app payments, telehealth video flows, and subscription management.
Ensure the app meets HIPAA/PHI requirements - keep PHI out of logs, crash reports, and third-party SDKs; vet SDKs for BAA suitability.
Keep the app current with OS/store requirements (e.g., target the latest required Android API level) and diagnose device-specific iOS/Android issues; profile and optimize performance.
Participate in code reviews and contribute to mobile architecture decisions.
Secondary ResponsibilitiesWeb (-20%)
Contribute to our [protected info] web frontend (marketing website + internal/pharmacy portals) alongside the web developer.
Build responsive, cross-browser UI and integrate RESTful APIs from our Ruby on Rails backend.
Write clean, maintainable, well-documented code following team standards.
Required Qualifications (Must-Have)
6-8 years of professional software engineering experience; 4+ years React Native with production apps shipped to both the App Store and Google Play.
Strong JavaScript/TypeScript and React fundamentals.
Hands-on ownership of mobile release management (signing, store submission, versioning).
Able to read and contribute to a React/[protected info] web codebase.
Experience consuming RESTful APIs and handling asynchronous data.
Git; strong problem-solving; attention to detail.
Proficient in English; able to work independently in a remote environment across time zones.
Nice-to-Have
Production [protected info] experience.
Healthcare/HIPAA or fintech/PCI compliance exposure.
Expo/EAS, Fastlane, native module authoring; CI/CD (GitHub Actions).
Testing (Jest, React Testing Library, Detox), Sentry, AWS.
Experience in a startup environment.
Application ProcessTo keep our hiring process simple and respectful of your time, shortlisted candidates will receive a short screening form after applying.
If your profile is a good match, our team will contact you within 1-2 weeks.
Our process
Short Screening Form → 15-min Intro Call → Technical Interview → Final Interview
📩 To apply or ask any questions about the role, please email your CV to: [protected info]