Senior iOS Developer - IoT & Video Streaming

Senior iOS Developer – IoT & Video Streaming

mobile engineering, IoT, and multimedia systems

About Us – Mantra Softech

smart home, and intelligent IoT ecosystems

connected experiences

Role Overview

Senior iOS Developer

Location

📍 Ahmedabad, (Full-Time | On-Site)

About the Role

next-generation iOS applications

Swift, system-level integrations, and embedded communications

Key Responsibilities

• Architect, design, and develop advanced

  iOS applications

  using Swift and SwiftUI/UIKit.
• Implement secure

  authentication flows

  using Apple/Google SSO, OAuth 2.0, and token-based APIs.
• Integrate and manage

  BLE and Thread protocol

  communications for IoT devices.
• Develop

  Matter IoT protocol integrations

  for device onboarding and control.
• Handle

  real-time video and audio streaming

  using WebRTC, RTSP, and AVFoundation.
• Implement secure

  WebSocket and MQTT

  communication channels for telemetry and device updates.
• Integrate

  native C/C++ libraries

  into Swift applications via bridging headers and Objective-C++.
• Maintain clean, modular, and testable codebases with CI/CD pipelines (Fastlane, GitHub Actions).
• Manage

  local data storage

  using CoreData, Realm, or SQLite.
• Optimize app performance, debug crashes, and analyze telemetry using Instruments and Crashlytics.
• Ensure

  app security compliance

  (Keychain, Secure Enclave, permission handling).
• Deliver pixel-perfect UI/UX following Apple’s Human Interface Guidelines and accessibility best practices.

Required Skills

Languages & Frameworks

• Proficient in

  Swift

  and

  Objective-C

  , with experience integrating C/C++ libraries via bridging headers and Objective-C++ (.mm).
• Strong in

  UIKit, SwiftUI, Combine, CoreBluetooth, Network, AVFoundation, CoreData, and CryptoKit

  .
• Optional: familiarity with

  Kotlin/Java

  for cross-platform collaboration.

Networking & Security

• Deep understanding of

  RESTful and GraphQL

  API integration with Alamofire or Apollo.
• Experience with

  secure token management

  using Keychain and App Attest.
• Implementing

  encrypted WebSocket/MQTT clients

  (e.g., Starscream, CocoaMQTT).

IoT Integration

• BLE communication using CoreBluetooth.
• Thread networking and Matter SDK for smart device commissioning.
• Edge communication and device telemetry design.

Media & Streaming

• Experience with

  WebRTC

  ,

  RTSP

  , or similar video streaming protocols.
• Familiar with

  AVFoundation

  ,

  ReplayKit

  , or third-party streaming SDKs.

Tooling & CI/CD

• Hands-on with

  Xcode

  ,

  Fastlane

  ,

  Bitrise

  ,

  Jenkins

  , and

  App Store Connect

  .
• Debugging tools like

  Proxyman

  ,

  Charles

  , and

  Instruments

  .

Monitoring & Analytics

• Crash and event tracking with

  Firebase, Crashlytics, Sentry, Mixpanel, or Amplitude

  .
• Log management and in-app telemetry best practices.

Preferred Skills

• Experience with

  cross-platform bridges

  and native SDK wrappers.
• Understanding of

  IoT device protocols

  ,

  edge computing

  , or

  embedded firmware

  .
• Familiarity with

  video codecs, media optimization

  , and

  latency tuning

  .

Qualifications

• Bachelor’s or Master’s degree in

  Computer Science, Electronics, or related field

  .
• 5–7 years of experience in

  iOS development

  , including

  IoT

  and

  video streaming

  applications.

How to Apply

saurin.chauhan@mantratec.com

"Senior – iOS Developer"