Linux Audio Quality Assurance Engineer - ALSA/PulseAudio

Job Title : Linux Audio QA Engineer

About The Role

Key Responsibilities

• Develop and execute manual and automated test cases for Linux audio stacks including ALSA, PulseAudio, and PipeWire.
• Validate end-to-end audio use cases : A2DP, HFP/HSP, TDM, I2S, PCM, HDMI, USB Audio, etc.
• Measure and analyze audio performance metrics : latency, jitter, synchronization.
• Debug and collaborate with audio driver, HAL, and platform software teams.
• Utilize tools like Audacity, arecord/aplay, alsa-info.sh, and latency profilers.
• Design and maintain test automation frameworks using Python and PyTest.
• Document results, log issues, and ensure timely resolution of audio-related bugs.
  

Required Skills & Qualifications

• Deep understanding of the Linux audio stack ALSA, PulseAudio, PipeWire.
• Experience with embedded audio routing, device tree configurations, and hardware interfaces.
• Familiarity with Bluetooth audio profiles (A2DP, HFP/HSP).
• Strong in test automation, scripting, and debugging.
• Sound knowledge of audio test standards and methodologies (e.g., THD, SNR).
• Excellent problem-solving, communication, and cross-team collaboration skills.
  

Bonus / Nice To Have

• Experience with Android Audio HAL or embedded multimedia stacks.
• Knowledge of real-time audio processing and audio codec behavior.
• Exposure to continuous integration (CI) systems for QA pipelines.