Firmware Audio Engineer

3 days ago

Mumbai, Maharashtra, India The Value Maximizer Full time ₹ 20,00,000 - ₹ 25,00,000 per year

We are seeking a highly experienced Firmware Engineer with 8+ years of hands-on experience inembedded audio software development, including Bluetooth audio, low-power design, andaudio signal processing. This is a critical role in our hardware-software co-development team,where your expertise will directly impact the performance and user experience of our AR/VR smartglasses and immersive systems.

In this role, you will work on Bluetooth audio protocols, embedded DSP optimization, noisecancellation algorithms, and real-time streaming pipelines, while collaborating closely withhardware, product, and design teams. Your work will drive the core embedded intelligence ofour' next-generation devices.

Top 3 Daily Tasks

  • Develop and optimize embedded audio firmware using C/C++, ensuring efficientperformance, low power consumption, and real-time audio processing
  • Work on Bluetooth audio protocols (A2DP, AVRCP, HFP), BLE profiles (HAP, TMAP,HAS, PBP), and audio codec integration (SBC, AAC, aptX, LC3)
  • Collaborate with hardware and systems teams to integrate microphones, speakers,amplifiers, and other peripherals via interfaces such as I2S, UART, and SPI. Full-Stack AwarenessWhile your primary focus will be firmware and embedded systems, awareness of system-levelsoftware integration, cloud/BLE connectivity, and app-level coordination will be a plus indelivering robust end-to-end solutions. Must haves-
  • Strong command of Embedded C/C++, including memory management, real-timeprogramming, and hardware abstraction
  • Deep understanding of Bluetooth architecture, audio profiles (A2DP, AVRCP, HFP), BLEfeatures (HAP, TMAP, HAS), and advanced Bluetooth technologies like Angle of Arrival(AoA) and Angle of Departure (AoD)
  • Hands-on experience with audio codecs: SBC, AAC, aptX, and LC3
  • Familiarity with noise reduction techniques such as ENC (Environmental NoiseCancellation) and ANC (Active Noise Cancellation)
  • Proficiency with tools and methods for debugging, testing, and performance optimizationof embedded systems. Nice to haves-
  • Working with embedded Linux or RTOS-based environments
  • Integrating Bluetooth stacks from Nordic (nRF52), Qualcomm (CSR), or Broadcomchipsets
  • Handling audio streaming, buffer management, latency reduction, and audio qualityassurance. We need someone who can join in 20 days max
  • Bluetooth sniffing and traffic analysis using tools like Ellisys, Frontline, or similar
  • Audio quality testing: Evaluating latency, jitter, and fidelity across Bluetooth audio profiles
  • Power optimization and low-power system design for wearable/portable applications
  • Working in Agile teams, using Git, CI/CD, and writing clear technical documentation andtest automation scripts

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