Audio Firmware Engineer

1 day ago

San Mateo, CA, USASenior

H1B sponsor

Base Salary

$234k - $351k/yr

Responsibilities

Design, implement, and debug Bluetooth/BLE connectivity features, RTOS or kernel drivers, systemd/D-Bus services, audio drivers, codecs, and DSP drivers.
Develop pairing, bonding, provisioning, GATT/GAP, and LE Audio/LC3 functionality.
Optimize audio latency, buffering, clock synchronization, sample-rate conversion, jitter behavior, low-power paths, coexistence, and discovery.
Analyze connectivity and audio behavior using packet captures, debugging tools, tracepoints, performance tools, logic analyzers, and audio analyzers.
Drive Bluetooth SIG, USB-IF, and Microsoft HLK interoperability and certification readiness.
Develop OTA-safe configuration, telemetry, and diagnostics for fleet-scale operation.
Support manufacturing builds, per-unit acoustic calibration, product bring-up, post-launch products, and field issue resolution.
Provide technical leadership, firmware architecture, execution, and coordination with internal teams and external partners.

Highly proficient in C/C++ with scripting experience in Python or shell and systems debugging experience using tools such as gdb, strace, logs, and packet traces.
Deep knowledge of Bluetooth Classic, BLE, HCI, L2CAP, GATT/GAP, and Bluetooth profiles.
Hands-on experience with BlueZ and driver bring-up on ARM64 or x86 platforms.
Experience with A2DP, HFP, AVRCP, and LE Audio profiles including BAS, ASCS, and PACS.
Familiarity with SBC, AAC, aptX, LDAC, and LC3 codecs.
Deep experience shipping wireless features on Mac, Windows, or Linux-based systems and/or console SDKs.
Experience with Bluetooth audio SoC vendor stacks such as Qualcomm QCC, Airoha, Realtek, and Nordic RnF, or with proprietary 2.4 GHz link designs.
A proven track record of improving real-world performance and reliability under RF constraints.
Passion for gaming, digital entertainment, and consumer electronics.
Preferred experience integrating AEC, noise suppression, beamforming, sidetone, spatial audio, or HRTF DSP features.
Preferred experience with WASAPI/APOs on Windows, CoreAudio on MacOS, secure boot, signed images, OTA key management, battery profiling, power-state tuning, Yocto, Buildroot, or direct ODM/CM engagement.

Medical, dental, and vision benefits.
Matching 401(k), paid time off, and wellness program.
Employee discounts on Sony products.
The role may be eligible for a bonus package.
Hybrid working policy applies, with base pay varying by location and work arrangement.
Background checks are conducted at the offer stage for new employees.