Senior Mobile Engineer: React Native & Unity VR (Abu Dhabi)

CNTXT AI; United Arab Emirates; On-site; AED 250,000 - 420,000; Full time

Job summary

CNTXT AI in the UAE is seeking a senior mobile engineer to design, build, and maintain high-quality apps for iOS and Android using Swift, Kotlin, React Native, and Unity for VR.

You will own end-to-end release pipelines, OTA updates, Firebase integration, real-time features with WebSockets/SSE, and security audits, with onsite work in Abu Dhabi.

The role requires 5+ years of mobile development, 3+ years React Native, and a proven track record shipping apps to stores.

Qualifications

• 5+ years of professional mobile development with apps on App Store and Google Play.
• Strong Swift/SwiftUI (iOS) and Kotlin/Jetpack Compose (Android) proficiency.
• 3+ years of production React Native experience with native bridging.
• Unity (C#) development for VR with at least one shipped app.
• Experience with OTA updates in production and store deployments.
• Deep Firebase expertise across Authentication, Firestore, Cloud Messaging, Crash Reporting.
• REST API design, authenticated endpoints, uploads, and pagination.
• Real-time features using WebSockets or SSE.
• Bulk upload workflows with resumable/background transfers.
• Experience conducting or remediating mobile security audits.
• Willingness to work onsite in Abu Dhabi, UAE.

Responsibilities

• Design, build, and maintain mobile apps for iOS and Android.
• Own release management: signing, provisioning, pipelines, submissions.
• Implement and operate React Native OTA updates.
• Integrate Firebase services: auth, database, messaging, analytics.
• Develop robust networking layers and real-time features.
• Lead security audits and ensure compliance with UAE PDPL.
• Collaborate with backend, product, design, QA.
• Produce clean, testable code and participate in reviews.

Skills

Swift/SwiftUI

Kotlin/Jetpack

React Native

Unity (C#)

OpenXR / XR

OTA updates

Firebase

REST APIs

WebSockets / SSE

CI/CD pipelines

App store deployment

Security auditing

Tools

Fastlane

Xcode Cloud

Gradle

GitHub Actions

Bitrise

Job description

CNTXT AI in the UAE is seeking a senior mobile engineer to design, build, and maintain high-quality apps for iOS and Android using Swift, Kotlin, React Native, and Unity for VR.

You will own end-to-end release pipelines, OTA updates, Firebase integration, real-time features with WebSockets/SSE, and security audits, with onsite work in Abu Dhabi.

The role requires 5+ years of mobile development, 3+ years React Native, and a proven track record shipping apps to stores.