KMS Technology, Inc.

Front End Software Engineer

KMS Technology, Inc.

full-time

Posted on:

Location Type: Remote

Location: Mexico

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Tech Stack

JavaJavaScriptKotlinObjective-CReactReact NativeReduxSwiftTypeScript

About the role

  • Develop and maintain cross-platform mobile applications using 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.
  • 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.
  • 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.

Requirements

  • 4+ years of professional experience in mobile development.
  • Expertise in React Native (Architecture, bridge/JSI, and performance tuning).
  • Strong mastery of TypeScript and modern JavaScript (ES6+).
  • 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.
  • Direct experience with FHIR R4 resources and the Medplum ecosystem is highly preferred.
  • Experience with Swift/Objective-C or Kotlin/Java for writing native modules when necessary.
  • Deep understanding of OAuth2/OIDC and mobile security best practices in a healthcare context.
  • Experience working with Figma and a strong eye for mobile-first UX.
Benefits
  • 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.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
React NativeTypeScriptJavaScriptmobile state managementRedux ToolkitZustandReact QueryOAuth2OIDCmobile security
Soft skills
communicationcollaborationproblem-solvingattention to detailagile methodology