Senior React Native Engineer - Cross-Platform & Cloud

Questronix Corporation 2; Taguig; On-site; PHP 900,000 - 1,700,000; Full time

Job summary

Questronix Corporation 2 is seeking an experienced Mobile Developer to own end-to-end React Native apps for iOS and Android in the Philippines. You will build cross-platform experiences with offline-first features and integrate with REST/GraphQL APIs.

Collaborate with UI/UX designers, optimize performance, support cloud deployments on AWS/GCP, and mentor junior engineers to improve tools, security, and delivery. Based in Taguig, Metro Manila.

Qualifications

• Minimum 5 years of software development with 4+ years in React Native.
• Proficient in React Native, JavaScript/TypeScript, Redux or Zustand, and React Navigation.
• Experienced with REST and GraphQL APIs, Expo, Fastlane, Firebase, and OTA (Over-The-Air) update management.
• Familiar with Backend coordination using Node.js or Python.
• Experienced with Cloud Service: AWS (Amplify, S3, Lambda) or GCP (Firebase Suite).
• Experienced with Docker and Kubernetes.

Responsibilities

• Develop and maintain cross-platform mobile apps using React Native for iOS and Android.
• Integrate apps with REST/GraphQL APIs and implement offline-first features for field operations.
• Collaborate with UI/UX designers to ensure a responsive and user-friendly experience.
• Optimize app performance and ensure consistent functionality across devices.
• Support cloud deployments on AWS/GCP and handle OTA updates and app signing.
• Write clean, testable, and documented code with unit/integration tests (Jest, Detox).
• Work closely with backend, QA, and product teams for end-to-end feature delivery.
• Mentor junior developers and contribute to improving tools, performance, and security.

Tools

React Native

JavaScript/TypeScript

Redux or Zustand

React Navigation

REST APIs

GraphQL

Expo

Fastlane

Firebase

OTA updates

Node.js

Python

AWS (Amplify, S3, Lambda)

GCP (Firebase Suite)

Docker

Kubernetes

Job description

Questronix Corporation 2 is seeking an experienced Mobile Developer to own end-to-end React Native apps for iOS and Android in the Philippines. You will build cross-platform experiences with offline-first features and integrate with REST/GraphQL APIs.

Collaborate with UI/UX designers, optimize performance, support cloud deployments on AWS/GCP, and mentor junior engineers to improve tools, security, and delivery. Based in Taguig, Metro Manila.