Software Engineer iOS SDK Development (BLE Experience Required)
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**About the Role:**
We are looking for a highly skilled **Senior iOS SDK Engineer** to lead the development of next\-generation iOS SDKs powering our wearable ecosystem, including smartwatches, smart rings, and health\-focused connected devices.
The ideal candidate will have strong expertise in **iOS application** and SDK development, **Bluetooth Low Energy (BLE)** communication, API design, and mobile architecture. You will work closely with firmware, cloud, algorithm, and app teams to build scalable, developer\-friendly SDKs that enable seamless integration of wearable devices with iOS applications.
**Responsibilities:**
* Design, develop, and maintain iOS SDKs for wearable devices. * Build robust BLE communication layers for device pairing, authentication, synchronization, OTA updates, and real\-time data streaming. * Develop SDK APIs for health, fitness, notifications, device controls, and sensor data access. * Define SDK architecture, versioning strategy, backward compatibility, and release processes. * Collaborate with firmware teams to define BLE services, GATT profiles, and communication protocols and to integrate health and wellness features such as heart rate, SpO₂, sleep, activity, and stress monitoring. * Optimize SDK performance, battery consumption, memory usage, and connection reliability. * Create developer documentation, sample applications, integration guides, and debugging tools. * Lead technical discussions and mentor junior engineers. * Drive SDK quality through automated testing, CI/CD pipelines, and code reviews.
**Required Qualifications:**
* Bachelor's or Master's degree in Computer Science, Electronics, or related field. * **4\-8\+ years of software development experience with at least 4 years in iOS development.** * Strong proficiency in Swift and Objective\-C. * Experience building and publishing reusable iOS SDKs/frameworks. * **Deep understanding of Bluetooth Low Energy (BLE), CoreBluetooth, and Apple connectivity frameworks.** * Strong knowledge of iOS architecture patterns (MVC, MVVM, Clean Architecture). * Experience with dependency management tools such as Swift Package Manager, CocoaPods, or Carthage. * Familiarity with REST APIs, WebSockets, and cloud\-connected applications. * Experience debugging BLE communication using tools such as nRF Connect, Wireshark, or protocol analyzers. * Strong understanding of software design principles, multithreading, and performance optimization.
**Preferred Qualifications:**
* Experience working on smartwatch, smart ring, fitness tracker, hearable, or other wearable products. * Experience implementing OTA firmware update workflows. * Familiarity with Apple HealthKit, Health Connect integrations, and health data synchronization. * Understanding of sensor technologies including PPG, IMU, temperature, and bio\-sensing systems. * Experience with BLE security, encryption, bonding, and privacy mechanisms. * Knowledge of CI/CD pipelines, automated testing, and SDK distribution platforms.
Pay: ₹1,500,000\.00 \- ₹3,000,000\.00 per year
Benefits:
* Cell phone reimbursement * Internet reimbursement * Paid sick time * Paid time off * Provident Fund
Application Question(s):
* Which project have you worked on using BLE technology? * What is your current CTC? * What is your Notice Period?
Work Location: In person
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