Senior React Native Mobile

Werben HR; Buenos Aires; Presencial; ARS 1.000.000 - 1.500.000; Jornada completa

Descripción de la vacante

Werben HR in Buenos Aires seeks a frontend/mobile engineer focused on React Native to optimize cross‑platform UI and deliver iOS releases. You will work with Expo bare workflow, fix rendering issues, and collaborate with backend teams.

Experience with Jest, MUI, and VS Code is valued; familiarity with Android Studio and Xcode helps navigate native layers when needed. Hybrid collaboration is common.

Formación

• Proficient in React Native with Expo bare workflow.
• Strong JavaScript fundamentals and debugging skills.
• Experience with Jest for unit testing.
• Familiar with MUI and VS Code workflows.
• Ability to troubleshoot cross‑platform rendering on Android and iOS.

Responsabilidades

• Identify and fix iOS UI/UX rendering discrepancies.
• Balance Android and iOS styling and layout.
• Improve platform-specific behavior where needed.
• Contribute to a second mobile app (kiosk mode for warehouse).
• Support BYOD rollout and cross-team collaboration.

Conocimientos

React Native

JavaScript

Legend State

Jest

MUI

VS Code

Cross-platform debugging

Herramientas

Android Studio

Xcode

C# .NET

Entity Framework

Expo

Descripción del empleo

Must-have experience

• Strong React Native experience (Expo bare workflow preferred)
• Solid JavaScript
• Experience with Legend State
• Experience with Jest (unit testing)
• Familiarity with MUI
• Comfortable working in VS Code
• Experience troubleshooting cross-platform rendering differences (Android vsiOS)

We have an existing Expo bare workflow codebase built with an offline-firstarchitecture. Our initial releases have been Android-only (company-manageddevices), and we are now expanding to support BYOD, which requires a stable iOSrelease. We already have an iOS build, but some screens do not render correctly on iOS.

A key part of this role will be

• Identifying and fixing UI/UX rendering discrepancies on iOS
• Ensuring styling and layout balance between Android and iOS
• Improving platform-specific behavior where needed

Android knowledge

• Helpful but not critical
• We have very limited custom Kotlin code (primarily for MAM integration)
• Most of our development remains in React Native

iOS / Swift knowledge

• More important than Android expertise
• We will need custom Swift development for MAM integration
• Ability to debug in Xcode
• Comfortable reviewing logs and troubleshooting native-layer issues

This is not a fully native mobile role, but the candidate should be comfortablenavigating native layers when necessary.

Our backend is

• C# .NET
• Entity Framework

We split work between frontend and backend developers. We are open to full-stackdevelopers, but the primary need is frontend/mobile. Backend changes may berequired occasionally, but deep backend specialization is not the main focus.

Nature of Work

This will be a mix of fixes and new development, including:

• Addressing 1.0 pilot issues
• Stabilizing and polishing the iOS version
• Supporting BYOD rollout
• Building a second mobile app (kiosk mode for warehouse workers)
• Adding new features to the current mobile application

Tools & Debugging

Day-to-day:

• VS Code
• For advanced debugging and log review:
• Android Studio
• Xcode