Job Description

Position: Audio Embedded Firmware Engineer III
Location: Redmond, Washington Or Burlingame, CA (Onsite) 
Duration:12+ months Contract
Job ID: 175482
Pay range: $60-$65/hour on W2

Job Overview:
Our cllient is seeking a talented Audio Embedded Firmware Engineer (Contingent Worker) to join our team focused on advancing audio technologies for next-generation products. In this role, you will integrate, validate, and optimize embedded firmware for next-generation audio products. You will collaborate closely with cross-functional teams including architecture, hardware, software, and product design to deliver high-quality audio systems and experiences.

Responsibilities:

• Develop, validate, and optimize embedded firmware for audio subsystems on custom hardware platforms.
• Integrate and debug audio features and algorithms on embedded systems (e.g., ARM Cortex-M, DSP cores).
• Collaborate with hardware, software, and QA teams to define requirements, validate designs, and ensure robust system integration.
• Conduct board bring-up, hardware validation, and troubleshooting using oscilloscopes, logic analyzers, and other lab equipment.
• Write and maintain clear, well-documented code, validation procedures, and technical documentation.
• Participate in code reviews and contribute to continuous improvement of firmware development processes.
• Support manufacturing and test engineering teams with firmware-related issues.

Qualifications:

• Proficiency in C/C++ for embedded systems.
• Experience with RTOS or bare-metal firmware development.
• Experience with distributed compute (multi-core, multithread) development.
• Familiarity with audio signal processing concepts and hardware interfaces (I2S, PDM, I2C, SPI, UART).
• Strong debugging and problem-solving skills using lab equipment and software tools.
• Excellent communication and teamwork skills.
• Experience with audio DSPs, ideally HiFi and Qualcomm Hexagon.
• Experience with power management and low-power firmware design.
• Knowledge of Audio Precision equipment and tools.
• Familiarity with Bluetooth audio stacks, USB audio, or wireless audio protocols.
• Knowledge of hardware design and schematic/PCB review.
• Experience working in an Agile development environment.

Years of Experience:
4+ years of experience in C/C++ embedded systems development, RTOS/bare-metal firmware, audio DSP integration (HiFi/Hexagon), hardware bring-up and debugging, and multi-core/multithread distributed compute.

Degrees/Certifications Required:
Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or related field.

About PTR Global: PTR Global is a leading provider of information technology and workforce solutions. PTR Global has become one of the largest providers in its industry, with over 5000 professionals providing services across the U.S. and Canada. For more information visit www.ptrglobal.com

At PTR Global, we understand the importance of your privacy and security. We NEVER ASK job applicants to:

• Pay any fee to be considered for, submitted to, or selected for any opportunity.
• Purchase any product, service, or gift cards from us or for us as part of an application, interview, or selection process.
• Provide sensitive financial information such as credit card numbers or banking information. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.

Pay Range: $60 - $65/hour on W2

The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Our full-time consultants have access to benefits, including medical, dental, vision, and 401K contributions, as well as PTO, sick leave, and other benefits mandated by applicable state or localities where you reside or work.

If you receive a suspicious message, email, or phone call claiming to be from PTR Global do not respond or click on any links. Instead, contact us directly at +1 214-740-2424. To report any concerns, please email us at [email protected]

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Job Tags

Full time, Contract work

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