Job Description We are seeking a skilled Front End Software Engineer specializing in React with React Native experience, to be a foundational part of a core engineering team.
This role requires a unique intersection of high-end mobile UI development and specialized healthcare data knowledge.
You will leverage the Medplum platform and FHIR standards to build a data-driven mobile experience that is secure, compliant, and user-friendly.
Responsibilities: Mobile Development UI/UX Develop and maintain cross-platform mobile applications using React, React Native and TypeScript.
Implement complex, high-fidelity UI designs.
Manage mobile-specific challenges, including push notifications, deep linking, and offline data persistence.
Optimize app performance, ensuring smooth animations (60fps) and fast load times across a variety of mobile hardware.
Healthcare Infrastructure Integration Integrate the Medplum React Native SDK to manage authentication and clinical data synchronization.
Interface with FHIR resources (e.g., Patient, Appointment, DocumentReference) to display and capture health information.
Implement secure biometric authentication (FaceID/TouchID) and ensure all local storage is encrypted and HIPAA compliant.
Work closely with the backend and web teams to ensure feature parity and a consistent experience across platforms.
Maintenance DevOps Manage the mobile deployment pipeline, including App Store Connect and Google Play Console (Internal testing and production releases).
Write clean, documented, and testable code; implementing unit and E2E tests for critical patient workflows.




Participate in agile ceremonies and contribute to architectural decisions regarding mobile state management and data caching.
Qualifications Required Skills Experience 4+ years of professional experience in mobile development.
Expertise in React (Architecture, bridge/JSI, and performance tuning).
Strong mastery of TypeScript and modern JavaScript (ES6+).
Experience with AI SLDC is a must.
Independent and driven.
Experience with mobile state management libraries (e.g., Redux Toolkit, Zustand, or React Query).
Proven track record of shipping and maintaining apps in the Apple App Store and Google Play Store.
Knowledge of mobile-first styling and responsive layouts for different screen sizes/orientations.
Preferred Skills Knowledge FHIR Medplum: Direct experience with FHIR R4 resources and the Medplum ecosystem is highly preferred.
Native Development: Experience with Swift/Objective-C or Kotlin/Java for writing native modules when necessary.
Security: Deep understanding of OAuth2/OIDC and mobile security best practices in a healthcare context.
Design: Experience working with Figma and a strong eye for mobile-first UX.
Additional Information Location: Guadalajara, Jalisco, Mexico (Hybrid) Benefits and Perks Perks you enjoy at KMS Mexico Mexican law benefits 15 days of PTO (in year zero, from the first year onwards it is 3 days per year).
5 days' leave for the death of immediate family members, negotiable.
Major Medical Expenses Insurance with coverage for immediate dependents (spouse and children).
Annual performance bonus (≈10% of annualized salary).
Annual salary adjustment.
Employee Referral Bonus.
Paid Certifications / Courses Coursera License.
5% Savings Fund.
5% Grocery Vouchers.

📌 Front End Software Engineer (Guadalajara)
🏢 KMS Technology
📍 Guadalajara