Audio Embedded Firmware Engineer

Job Title: Audio Embedded Firmware EngineerLocation: Redmond, WA (Preferred) or Burlingame, CADuration: 12 months (strong possibility of extension)Our client is seeking an experienced Audio Embedded Firmware Engineer to support the development of next‑generation audio systems for innovative consumer hardware products. In this hands‑on role, you will work close to the hardware, integrating and optimizing embedded firmware that enables advanced audio features in a novel form factor.You will collaborate with system architects, hardware engineers, software developers, and test teams to bring high‑quality audio experiences from concept through production.Required Qualifications4+ years of experience developing embedded firmware using C/C++Strong experience with RTOS or bare‑metal firmware developmentExperience with multi‑core and multi‑threaded embedded systemsSolid understanding of audio signal processing conceptsHands‑on experience with audio and control interfaces such as I2S, PDM, I2C, SPI, UARTProven ability to debug on real hardware using lab tools (oscilloscope, logic analyzer, etc.)Experience flashing, validating, and running firmware on embedded hardware boardsStrong problem‑solving skills and ability to work independently in ambiguous environmentsExcellent communication and collaboration skillsPreferred QualificationsExperience working with audio DSPs (e.g., HiFi‑class DSPs or similar)Knowledge of low‑power firmware design and power management techniquesExperience using Audio Precision or similar audio measurement toolsFamiliarity with Bluetooth audio, USB audio, or wireless audio protocolsAbility to read and review hardware schematics and PCB designsExperience working in an Agile development environmentResponsibilities:Develop, integrate, validate, and optimize embedded firmware for audio subsystems on custom hardware platformsImplement and debug audio features and algorithms on embedded systems (ARM Cortex‑M class MCUs, DSP cores)Support board bring‑up, system integration, and hardware validation using lab equipment (oscilloscopes, logic analyzers, etc.)Collaborate cross‑functionally with hardware, software, and QA teams to define system requirements and ensure robust integrationDebug complex system‑level issues spanning firmware, hardware, and audio pipelinesWrite clean, maintainable, well‑documented C/C++ code and technical documentationParticipate in code reviews and help improve firmware development best practicesSupport manufacturing and test engineering teams with firmware‑related issuesEducation:Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field