Senior Firmware Engineer - Embedded System

<p><p><b>Description : </b><br/><br/>Were looking for an accomplished Firmware Engineer with 8+ years of experience in developing and optimizing embedded audio software for Bluetooth-based and low-power systems.

Youll play a key role in building the audio intelligence that powers our next-generation AR/VR smart glasses and immersive hardware.<br/><br/><b>Role Overview : </b><br/><br/>As part of our cross-functional hardware software engineering team, youll design, implement, and refine embedded firmware that directly influences the acoustic performance, power efficiency, and user experience of our wearable products.<br/><br/><b>Key Responsibilities : </b><br/><br/>- Design and enhance embedded audio firmware in C/C++, with a focus on real-time processing, low-latency performance, and energy efficiency.<br/><br/>- Implement and optimize Bluetooth Classic and BLE audio protocols (A2DP, AVRCP, HFP, HAP, TMAP, HAS, PBP).<br/><br/>- Integrate and tune audio codecs such as SBC, AAC, aptX, and LC3.<br/><br/>- Work with hardware teams to integrate and validate audio peripherals microphones, amplifiers, speakers, etc.

over interfaces like I2S, UART, and SPI.<br/><br/>- Contribute to DSP optimizations, ANC/ENC algorithms, and real-time audio streaming pipelines.<br/><br/><b>Technical Expertise Required : </b><br/><br/>- Expert in Embedded C/C++ and real-time programming on constrained devices.<br/><br/>- Strong grasp of Bluetooth architecture, audio profiles, and advanced positioning techniques (AoA/AoD).<br/><br/>- Deep knowledge of noise reduction and audio enhancement techniques.<br/><br/>- Experience in debugging, profiling, and system optimization for embedded platforms.<br/><br/><b>Preferred Experience : </b><br/><br/>- Exposure to RTOS or Embedded Linux environments.<br/><br/>- Hands-on experience with Qualcomm CSR, Nordic nRF52, or Broadcom Bluetooth stacks.<br/><br/>- Understanding of audio streaming, latency optimization, and buffer management.<br/><br/>- Familiarity with Agile practices, Git-based workflows, and CI/CD pipelines.<br/><br/><b>Bonus Skills : </b><br/><br/>- Use of Ellisys, Frontline, or similar tools for Bluetooth packet analysis.<br/><br/>- Experience in audio quality measurement (latency, jitter, fidelity).<br/><br/>- Low-power design experience for wearable or portable devices.<br/><br/><b>Other Details : </b><br/><br/><b>Joining timeline : </b> Within 20 days<br/><br/><b>Location : </b> Thane</p><br/></p> (ref:hirist.tech)