Senior iOS Real-Time Messaging Architect

F-Technologies LLC; Dubai; On-site; AED 240,000 - 360,000; Full time

Benefits offered by this job

UAE employment visa

Senior development team

Job summary

F-Technologies LLC in Dubai seeks a senior iOS engineer to own the real-time layer of our iOS apps. You will design high-performance architecture, implement persistent connections, offline sync, and reliable notifications to ensure instant, data-consistent experiences.

You will collaborate with backend engineers and QA to deliver parity, own App Store releases, CI/CD pipelines, and code reviews. The role requires 5+ years of production iOS work, Swift/SwiftUI/UX, and a security-first mindset.

Qualifications

• 5+ years of professional iOS development with live App Store apps.
• Experience building real-time messaging features is highly preferred.
• Strong expertise in Swift, Swift Concurrency, SwiftUI, and UIKit.

Responsibilities

• Architect and build high-performance iOS apps in Swift/SwiftUI (UIKit when needed).
• Build the real-time layer with persistent connections, reconnects, heartbeats, and message delivery.
• Implement offline-first storage and sync (Core Data/SwiftData/GRDB) with queued sending.
• Deliver reliable notifications with APNs and extensions; PushKit/CallKit for calls.
• Handle media: chunked uploads/downloads, compression, voice notes.
• Ensure app stability via profiling and tuning; target crash-free rate >99.5%.
• Apply security best practices: Keychain, certificate pinning, end-to-end encryption support.
• Collaborate with backend for protocol design and with Android/QA for parity.
• Own App Store releases, CI/CD, and code reviews.

Skills

iOS development

Swift

SwiftUI

UIKit

Swift Concurrency

Real-time features

MVVM

Git

Unit testing

Tools

XMPPFramework

WebSocket

GRDB

Core Data

SwiftData

MAM

CI/CD tooling

CallKit

Job description

F-Technologies LLC in Dubai seeks a senior iOS engineer to own the real-time layer of our iOS apps. You will design high-performance architecture, implement persistent connections, offline sync, and reliable notifications to ensure instant, data-consistent experiences.

You will collaborate with backend engineers and QA to deliver parity, own App Store releases, CI/CD pipelines, and code reviews. The role requires 5+ years of production iOS work, Swift/SwiftUI/UX, and a security-first mindset.