Senior Mobile Engineer - iOS & Android (Real-Time Messaging)
Key Skills for This Role
Full Job Posting
- Own the mobile architecture for iOS and Android, including the shared real-time core used across our business, news and social apps.
- Build the connection layer (WebSocket / XMPP): reconnect, message ordering, delivery and read receipts, presence, typing and live feed updates.
- Deliver offline-first storage and sync on both platforms.
- Implement notifications and calls: APNs / PushKit / CallKit on iOS; FCM / WorkManager / ConnectionService on Android.
- Write native platform code where cross-platform falls short (background tasks, notification extensions, audio / video).
- Drive performance, stability and security (E2EE support, secure storage) to production-scale standards.
- Ship to both stores, run CI/CD, mentor developers and review code.
- 6+ years of mobile development, with production apps shipped on both the App Store and Google Play.
- Proven depth in native iOS (Swift) and native Android (Kotlin); or senior Flutter / React Native / Kotlin Multiplatform with hands-on native modules on both platforms.
- Hands-on experience building real-time features: an instant messaging / chat app is strongly preferred; live feeds, social or live-update apps also considered.
- Working knowledge of XMPP or an equivalent real-time protocol (WebSocket, MQTT).
- Strong background in offline-first data, push notifications and background execution on both platforms.
- Understanding of Erlang-based messaging servers (ejabberd / MongooseIM) — no Erlang coding required.
- End-to-end encryption (Signal protocol), WebRTC calls.
- Experience with news or social media apps; Arabic / RTL UI; Flutter.
- Competitive package based on experience, plus UAE employment visa.
- Ownership of the real-time layer across multiple live products, with a senior team.
About F-Technologies LLC
Dubai-based ICT integrator delivering infrastructure, enterprise systems, ELV, web, and mobile solutions to public and private clients.
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