Senior Software Engineer - Firmware + Audio
Core
Technical authority owning end-to-end audio delivery, driver ingestion, and validation for flagship Windows-based Surface devices.
Role type
Senior IC firmware/software engineer (audio subsystems)
Builds
High-volume consumer audio hardware (Surface devices)
Domain
Consumer electronics / Windows embedded systems / Audio DSP
Deliverable
production ML models | product features | infrastructure
Required skills
C/C++ kernel-mode driver development, Windows audio architecture (APO/WDM/WDF), DSP firmware interaction, audio signal processing, root-cause analysis of audio issues, cross-team technical leadership, automation tooling for validation
Preferred skills
AI/ML audio feature integration (noise reduction, echo cancellation), Bluetooth audio profiles, UEFI/firmware familiarity, open-source contributions
Technologies
Windows kernel-mode drivers (WDM/WDF), APO framework, Qualcomm ADSP, WinDbg, WPR/WPA, ONNX Runtime, Azure AI, Bluetooth (A2DP/HFP/LE Audio), I2S/SoundWire/I2C
Responsibilities
Architect audio solutions spanning hardware endpoints to user-mode services; lead audio bring-up and endpoint validation; develop and maintain Windows audio/media class drivers; drive partner engagements for driver ingestion; perform root-cause analysis of complex audio quality issues; mentor team members and establish debugging best practices; drive automation for driver validation and bug triage workflows
Seniority
Senior, hands-on IC with mentorship responsibilities
