Firmware Embedded Developer - C / C++

Sportstech GMBHBangalore

30+ days ago

Job description

We are looking for an experienced Firmware Embedded Developer to design and develop firmware for fitness / wearable devices , with a strong focus on Bluetooth Low Energy (BLE) integration with mobile applications . The role involves developing low-power embedded solutions, integrating with NDK / SDK layers , and collaborating closely with mobile app teams to deliver seamless user experiences.

Key Responsibilities :

Design, develop, and optimize firmware for fitness / wearable devices.
Implement and maintain BLE communication protocols for Android / iOS integration.
Collaborate with mobile developers to ensure smooth interaction via NDK / SDKs .
Work with hardware teams on sensor integration (accelerometer, heart-rate, SpO2, etc.).
Debug and resolve firmware, connectivity, and performance issues.
Support OTA firmware updates and SDK documentation for third-party integration.
Ensure low-power consumption and high reliability in embedded systems.

Requirements :

Bachelors / Masters in Electronics, Computer Science, Embedded Systems, or related fields .

3-5 years of hands-on experience in firmware development.

Proficiency in C / C++ for embedded systems .

Strong knowledge of microcontrollers (ARM Cortex, Nordic nRF, ESP32, or similar) .

Solid understanding of Bluetooth Low Energy (BLE) stack and GATT profiles.

Experience with NDK / SDK integration and API communication with mobile apps .

Familiarity with RTOS, low-power design, and hardware debugging tools (JTAG, oscilloscopes, analyzers).

Strong debugging, problem-solving, and cross-functional collaboration skills.

Good to Have :

Experience in fitness / wearable device firmware .

Knowledge of OTA updates, secure firmware design, and mobile BLE integration (Android / iOS) .

Exposure to cloud connectivity for IoT devices .

(ref : hirist.tech)

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Embedded Developer • Bangalore