Audio Firmware Engineer
Core
Design, implement, and optimize wireless connectivity and audio firmware for gaming peripherals (headsets, dongles) in the PlayStation ecosystem.
Role type
Senior IC audio firmware engineer (connectivity protocol)
Builds
Wireless audio peripherals (PULSE series, PlayStation Link) and fleet-scale connectivity infrastructure
Domain
Consumer electronics / Gaming hardware / Wireless audio
Deliverable
production ML models | product features
Required skills
C/C++, Bluetooth Classic/BLE protocols (HCI, L2CAP, GATT/GAP), RTOS/kernel drivers, ALSA/ASoC, codec drivers (SBC, AAC, aptX, LDAC, LC3), systems debugging (gdb, strace, packet traces), ARM64/x86 driver bring-up
Preferred skills
LE Audio/LC3, DSP integration (AEC, noise suppression, beamforming), Host-side audio stacks (WASAPI, CoreAudio), OTA security, Yocto/Buildroot, ODM engagement
Technologies
BlueZ, Qualcomm QCC, Airoha, Realtek, Nordic RnF, ALSA, PipeWire, btmon, logic analyzers
Responsibilities
Design and debug Bluetooth/BLE features across RTOS and kernel drivers; Optimize end-to-end audio latency and jitter buffer behavior; Reconcile wireless link clock against codec I2S clock; Instrument and analyze firmware with packet captures and audio analyzers; Drive interoperability and certification readiness (Bluetooth SIG, USB-IF, Microsoft HLK); Support manufacturing builds and per-unit acoustic calibration
Seniority
Senior, hands-on IC