Senior iOS Developer

Senior iOS Developer – IoT & Video Streaming

Are you passionate about building secure, real-time iOS experiences that interact with connected devices and deliver seamless video communication? Do you thrive at the intersection of
mobile engineering, IoT, and multimedia systems
?

About Us – Mantra Softech

Mantra Softech is a technology leader in biometric (Face, Finger, & Iris) and RFID-based identity solutions. As we expand into
smart home, and intelligent IoT ecosystems
, we're building mobile-first platforms that bridge
hardware, cloud, and user experience
through advanced mobile engineering and video technologies.

Join us to create the next generation of
connected experiences
powered by edge devices, secure communication, and real-time streaming.

Role Overview

We're looking for a
Senior iOS Developer
with strong expertise in
IoT integrations (BLE, Thread, Matter)
and
real-time video streaming (WebRTC, RTSP)
. You'll lead the design and development of scalable, secure, and high-performance native iOS applications that connect smart devices, handle live media, and deliver intuitive user interfaces.

Location

Ahmedabad, (Full-Time | On-Site)

About the Role

You'll work on
next-generation iOS applications
that enable seamless interaction between users, cloud services, and connected devices. This includes building
real-time communication modules
,
secure API integrations
, and
hardware-aware app experiences
that leverage the latest in Apple frameworks and IoT standards.

If you're passionate about
Swift, system-level integrations, and embedded communications
, we'd love to work with you.

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

Send your resume and portfolio to

Please include
"Senior – iOS Developer"
in the subject line.