Senior Firmware Engineer

3 weeks ago

Thane, India Qode.world Full time

Description : 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.Role Overview : 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.Key Responsibilities : - Design and enhance embedded audio firmware in C/C++, with a focus on real-time processing, low-latency performance, and energy efficiency.- Implement and optimize Bluetooth Classic and BLE audio protocols (A2DP, AVRCP, HFP, HAP, TMAP, HAS, PBP).- Integrate and tune audio codecs such as SBC, AAC, aptX, and LC3.- Work with hardware teams to integrate and validate audio peripherals microphones, amplifiers, speakers, etc. over interfaces like I2S, UART, and SPI.- Contribute to DSP optimizations, ANC/ENC algorithms, and real-time audio streaming pipelines.Technical Expertise Required : - Expert in Embedded C/C++ and real-time programming on constrained devices.- Strong grasp of Bluetooth architecture, audio profiles, and advanced positioning techniques (AoA/AoD).- Deep knowledge of noise reduction and audio enhancement techniques.- Experience in debugging, profiling, and system optimization for embedded platforms.Preferred Experience : - Exposure to RTOS or Embedded Linux environments.- Hands-on experience with Qualcomm CSR, Nordic nRF52, or Broadcom Bluetooth stacks.- Understanding of audio streaming, latency optimization, and buffer management.- Familiarity with Agile practices, Git-based workflows, and CI/CD pipelines.Bonus Skills : - Use of Ellisys, Frontline, or similar tools for Bluetooth packet analysis.- Experience in audio quality measurement (latency, jitter, fidelity).- Low-power design experience for wearable or portable devices.Other Details : Joining timeline : Within 20 daysLocation : Thane (ref:hirist.tech)

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