Senior Android Real-Time Messaging Architect

F Technologies LLC; Dubai; On-site; AED 300,000 - 420,000; Full time

Benefits offered by this job

UAE employment visa

Ownership of real-time layer

Senior team mentorship

Job summary

F Technologies LLC, a Dubai-based technology company, designs and builds mobile applications across business, news, and social categories for GCC users. The role focuses on the real-time side of our products: instant messaging, live feeds, and in-app notifications that must feel instant and reliable.

You will own the real-time layer of our Android apps end to end — architecture, persistent connections, offline sync, notifications and performance across devices — working with a senior team.

Qualifications

• 5+ years of professional Android development with apps live on Google Play.
• Hands-on experience building real-time features (instant messaging/chat preferred).
• Expert Kotlin, Coroutines/Flow, Jetpack Compose, MVVM/Clean Architecture, Hilt/Dagger.
• Working knowledge of XMPP or WebSocket for real-time communication.

Responsibilities

• Architect and build high-performance Android apps in Kotlin with Jetpack Compose.
• Build the real-time layer: persistent WebSocket/XMPP connections, reconnect/backoff, message order and delivery.
• Implement offline-first storage with Room/SQLDelight and ensure sync via Coroutines/Flow.
• Deliver reliable messages, alerts and calls within battery and Doze constraints using FCM and WorkManager.
• Handle media: chunked uploads/downloads, compression, voice notes, CameraX/Media3.
• Maintain app speed and stability on low-end devices; monitor memory, ANR, crashes.
• Apply security best practices: Android Keystore, certificate pinning, end-to-end encryption support.
• Collaborate with backend, iOS, and QA on protocol design and parity; manage Google Play releases and CI/CD.

Skills

Android development

Kotlin

Real-time messaging

Jetpack Compose

MVVM / Clean Architecture

Coroutines / Flow

XMPP / WebSocket

Education

Bachelor's degree in Computer Science

Tools

Smack / XMPP

Room / SQLDelight

Android Studio

Job description

F Technologies LLC, a Dubai-based technology company, designs and builds mobile applications across business, news, and social categories for GCC users. The role focuses on the real-time side of our products: instant messaging, live feeds, and in-app notifications that must feel instant and reliable.

You will own the real-time layer of our Android apps end to end — architecture, persistent connections, offline sync, notifications and performance across devices — working with a senior team.