Audio Firmware Engineer

The role

You will own and develop firmware for gaming peripherals. You will design, implement, and debug wireless connectivity features and audio drivers across the product ecosystem.

What you will do

• Design, implement, and debug Bluetooth/BLE features across RTOS, kernel drivers, and systemd/D-Bus services
• Deliver robust pairing, bonding, and provisioning flows GATT/GAP, LE Audio/LC3
• Optimize end-to-end audio latency, buffer sizing, and low-power paths
• Reconcile wireless link clock against codec’s I2S clock
• Instrument and analyze with packet captures and tooling
• Drive interoperability and certification readiness for Bluetooth SIG, USB-IF, and Microsoft HLK
• Contribute to OTA-safe configuration, telemetry, and diagnostics
• Support manufacturing builds and per-unit acoustic calibration
• Support products post-launch

Required qualifications

• Highly proficient in C/C++ with scripting experience (Python or shell)
• Systems debugging experience (gdb, strace, logs, packet traces)
• Deep knowledge of Bluetooth Classic/BLE (HCI, L2CAP, GATT/GAP, profiles)
• Hands-on experience with BlueZ
• Driver bring-up on ARM64 or x86 platforms
• Experience with A2DP, HFP, AVRCP, and BAS/ASCS/PACS for LE Audio
• Codec familiarity – SBC, AAC, aptX, LDAC, LC3
• Deep experience shipping wireless features on Mac, Windows or Linux-based and/or Console SDK experience
• Bluetooth audio SoC vendor stacks – Qualcomm QCC, Airoha, Realtek, Nordic RnF
• Proprietary 2.4Ghz link design (custom TDMA, low latency dongle protocols)
• Proven track record of improving real-world performance and reliability under RF constraints

Nice to have

• DSP feature integration: AEC, noise suppression, beamforming, sidetone, spatial audio/HRTF
• Host-side audio: WASAPI/APOs on Windows, CoreAudio on MacOS
• Secureboot, signed images, key management for OTA
• Battery life profiling and power-state tuning
• Yocto or buildroot
• Direct ODM/CM engagement in Asia

Benefits

• Medical
• Dental
• Vision
• Matching 401(k)
• Paid time off
• Wellness program
• Employee discounts for Sony products
• Possible bonus package

Before you apply

• Sony Interactive Entertainment conducts background checks at the offer stage

About the company

Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. It is a dynamic technology company and an entertainment leader.