Linux Audio QA Engineer

Job Title

Experience

Location :

Job Summary

We are hiring a Linux Audio QA Engineer to validate and certify embedded audio subsystems across various platforms. The candidate will ensure audio quality, latency, and integration with voice assistants, multimedia, and telecom stacks.

Key Responsibilities

• Develop and execute manual and automated test cases for ALSA, PulseAudio, PipeWire, and audio middleware.
• Validate use cases including A2DP, HFP/HSP, TDM, I2S, PCM, HDMI, USB Audio.
• Test audio performance (latency, jitter, sync) and codec functionality.
• Work closely with audio driver and HAL developers to debug issues.
• Use tools such as Audacity, arecord/aplay, alsa-info.sh, and latency profilers.
• Develop test automation using scripting languages and frameworks like Python and PyTest.
• Document test results and drive closure of audio-related bugs.

Required Skills

• Deep understanding of Linux audio stack: ALSA, PulseAudio, PipeWire.
• Hands-on experience with embedded audio routing and device tree configurations.
• Familiarity with Bluetooth audio profiles and hardware interfaces.
• Proficient in test automation and scripting.
• Good knowledge of audio test methodologies and standards (e.g., THD, SNR).