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Who we are

In a life without sound, our work provides meaning. As a leading provider of innovative hearing care solutions, we are not just a company that makes products: we are a team on a mission to help people enjoy the delight of hearing. To enable a life without limitations, we – through our core business brands Phonak, Unitron, Hansaton, Advanced Bionics and AudioNova – develop, manufacture and distribute solutions that push the limits of technology and redefine the future of our industry.

Valencia (CA), United States

Senior, Product Firmware Engineer

Covid Protocol:

Upholding the company values is extremely important to Sonova, we take the health and safety of our employees, patients, customers and their families very seriously. To that end, we have concluded that the best way to ensure the safety of these individuals is to mandate that all of our newly-hired employees be fully vaccinated for COVID-19. Therefore, when considering whether to apply for this position, please know that in order to become employed by Sonova (if otherwise eligible), you must provide satisfactory proof, such as a vaccine card or other documentation, that you are fully vaccinated for COVID-19. You will not be required to provide this proof unless and until you receive a formal job offer from Sonova. Please also know that Sonova will provide accommodations to qualified individuals who cannot receive the COVID-19 vaccination because of a sincerely held religious belief or due to a medical issue or pregnancy.


What you’ll do:

The Firmware Engineer will develop embedded software for the Product Firmware team.  The Product Firmware team designs and develops software applications that run on Behind the Ear (BTE) hearing instruments. 


•        Contribute to codebases written in C/C++, Python, and C#.

•        Perform software testing, included automated testing and unit testing

•        Provide root-cause analysis for issues reported by QA and recipient feedback

•        Collaborate with large firmware team in distributed version control repository

•        Support QA, electrical, ASIC design, and other engineering teams

•        Analyze data obtained in clinical tests

•        Perform technical documentation, including generating software specifications

•        Adhere to strict international medical device regulatory standards


Travelling Requirement    NA


What you bring to the team:

Basic Education    

Bachelor in Computer Engineering, Electrical Engineering, or related field.

Master’s degree


Work Experience    2+ years of experience in software development

2+ years of experience in embedded software development for consumer electronic products


Personal Competencies   

•        Motivated self-starter

•        Keen eye for quality

•        Exceptional technical problem solving skills


Social Competencies       

Team player


Professional Competencies       

•        Strong background in analog, digital, and embedded systems design

•        Skills in C or C++ languages

•        Familiarity with ARM Processors

•        Understanding of RTOS and bare metal development environments

•        Knowledge of modern IDEs, version control, and automated builds

•        Strong documentation and writing skills

•        Proficiency in C++, familiarity with assembly

•        Experience in one or more of the following: Bluetooth, other wireless communication protocols, cyber security

•        Familiarity with Test-Driven Development and automated testing

•        Skills in Python and C#


Language(s) / Level        English/ Advanced


Our offer:

  • Exciting and challenging work environment
  • Comprehensive benefits package
  • Training and development opportunities – we believe every employee deserves a development plan. Come, learn, and grow with us!


Don't meet all the criteria?  If you’re willing to go all in and learn we'd love to hear from you! 


We love to work with great people and strongly believe that a diverse team makes us better.  We guarantee every person equal treatment in regard to employment and opportunity for employment, regardless of race, color, creed/religion, sex, sexual orientation, marital status, age, mental or physical disability.

We thank all applicants in advance; however only individuals selected for an interview will be contacted.  All applications will be kept confidential. Sonova is an equal opportunity employer. Applicants who require reasonable accommodation to complete the application and/or interview process should notify the Director, Human Resources.




Sonova is an equal opportunity employer

We team up. We grow talent. We collaborate with people of diverse backgrounds to win with the best team in the market place. We guarantee every person equal treatment in regard to employment and opportunity for employment, regardless of a candidate’s ethnic or national origin, religion, sexual orientation or marital status, gender, genetic identity, age, disability or any other legally protected status.