Expert Embedded Audio Firmware Developer

11 hours ago

Chennai, Tamil Nadu, India beBeeAudio Full time ₹ 2,00,00,000 - ₹ 2,50,00,000
High-Performance Audio Firmware Engineer

We are seeking an experienced engineer with expertise in audio codec development and Rust programming.

The ideal candidate will design, implement, and optimize low-level firmware for audio codec solutions, ensuring high performance, reliability, and compliance with multimedia and embedded standards.

  • Key Responsibilities:
  • Design and develop firmware modules for audio codec drivers (encode/decode, signal processing, streaming).
  • Implement low-level firmware in Rust for real-time audio pipelines.
  • Work on audio data paths, DSP integration, and codec algorithms.
  • Develop and maintain device drivers, HAL (Hardware Abstraction Layer), and board support packages.
  • Optimize memory, performance, and power consumption for embedded audio solutions.
  • Debug and troubleshoot firmware issues using JTAG, logic analyzers, oscilloscopes.
  • Collaborate with hardware, DSP, and system teams to integrate codecs into target platforms.
  • Perform unit, integration, and system-level testing for audio firmware components.
  • Contribute to architecture design, code reviews, and documentation.
  • Ensure compliance with industry standards (ALSA, AV frameworks, A2DP, VoIP, Dolby, AAC, MP3, etc.).

Requirements:

  • Bachelor's/Master's degree in Electronics, Computer Engineering, or related field.
  • 8–14 years of experience in embedded firmware development, with at least 3+ years in audio codec domain.
  • Strong expertise in Rust programming for embedded systems (memory safety, concurrency, async programming).
  • Experience with C/C++ for low-level embedded development (interfacing with Rust).
  • In-depth knowledge of audio codecs: AAC, MP3, SBC, Opus, Dolby, FLAC, PCM.
  • Experience in I2S, I2C, SPI, DMA, USB Audio, ALSA/ASoC (Linux Audio Subsystem).
  • Strong knowledge of RTOS/Linux kernel driver development for audio.
  • Hands-on with debugging tools (JTAG, Lauterbach, GDB).
  • Familiarity with version control (Git), CI/CD pipelines, and automated testing.
  • Strong problem-solving and performance optimization skills.

Good to Have:

  • Experience with cross-compilation toolchains and build systems (CMake, Cargo, Yocto).
  • Knowledge of real-time audio streaming frameworks (PulseAudio, PipeWire, JACK).
  • Familiarity with DSP programming or ARM Cortex-M/A architectures.
  • Exposure to Rust embedded ecosystem (e.g., embedded-hal, no_std, RTIC).
  • Knowledge of Audio Quality testing methodologies (MUSHRA, PESQ, POLQA).
  • Prior experience with Dolby/DTS certification processes.

Soft Skills:

  • Strong collaboration and communication skills.
  • Ability to work in cross-functional teams with hardware, software, and QA.
  • Proactive in problem-solving and mentoring junior engineers.

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