Senior Mobile & XR Engineer (iOS/Android) – UAE Onsite

CNTXT, Inc.; Abu Dhabi; On-site; AED 180,000 - 240,000; Full time

Job summary

CNTXT, Inc. is seeking an experienced mobile engineer to design, build, and maintain high-quality apps for iOS and Android across native and React Native stacks. You will own end-to-end release management, OTA update pipelines, and integration with Firebase services.

You will work on RESTful APIs, real-time features via WebSockets/SSE, secure storage, and XR/Unity VR components for immersive experiences, with onsite UAE Abu Dhabi focus.

Qualifications

• 5+ years of professional mobile development experience with shipped apps on App Store and Google Play.
• Strong native proficiency in Swift/SwiftUI (iOS) and Kotlin/Jetpack Compose (Android).
• 3+ years of production React Native experience, including native bridging and VR development with Unity (C#).
• Experience with release pipelines (Fastlane, CI/CD such as GitHub Actions or Bitrise).
• Hands-on experience implementing React Native OTA updates in production.
• Deep experience with Firebase across authentication, database, messaging, and crash reporting.
• Solid understanding of REST API design and consumption, including authenticated POST endpoints and multipart uploads.
• Candidate must already be based in the UAE and willing for an onsite role in Abu Dhabi.

Responsibilities

• Design, build, and maintain mobile apps for iOS/Android across native and React Native.
• Own end-to-end release management: code signing, provisioning, and store submissions.
• Implement and operate React Native OTA update pipelines in production.
• Integrate and manage Firebase services (auth, database, messaging, crash reporting).
• Build robust networking layers and real-time features via WebSockets or SSE.
• Implement bulk uploads for large media/data sets with resumable transfers.
• Lead mobile security audits and remediation of findings.
• Collaborate with backend, product, design, and QA to translate requirements into designs.
• Monitor app health and drive continuous improvement.

Skills

Swift/SwiftUI

Kotlin/Jetpack

React Native

Unity (C#)

XR/OpenXR

REST APIs

WebSockets/SSE

OTA updates

Firebase

CI/CD tooling

Tools

Fastlane

Xcode Cloud

Gradle

GitHub Actions

Bitrise

Expo/EAS

Job description

CNTXT, Inc. is seeking an experienced mobile engineer to design, build, and maintain high-quality apps for iOS and Android across native and React Native stacks. You will own end-to-end release management, OTA update pipelines, and integration with Firebase services.

You will work on RESTful APIs, real-time features via WebSockets/SSE, secure storage, and XR/Unity VR components for immersive experiences, with onsite UAE Abu Dhabi focus.