Senior iOS Developer

5 days ago


Ahmedabad, Gujarat, India Mantra Softech Full time ₹ 8,00,000 - ₹ 12,00,000 per year

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.


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