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DSP Software Test Engineer, Audio

Department: Software

Location: Boston

Req#: 5349

At Sonos we are passionate about building and delivering the finest HiFi audio experiences to our customers. Our products stream all the music on earth, in every room, wirelessly, and you control it all from the palm of your hand. It’s easy to use, but keeping things simple and bug free is hard work.

As a DSP Software Test Engineer working as part of the hardware organization, you will be responsible for developing effective test plans as well as automating them across our family of audio products. This will require collaboration with your partners in development and test to ensure the high quality bar of our audio and voice features. You will work independently as well as with a team of industry leading innovators in other engineering fields such as acoustics, mechanical, application software, hardware, and user experience. If you love music, solving challenging problems, and doing things the right way every time, we would like to talk to you!

About You

More than a candidate that checks every box, we’re looking for people who are excited to work, learn, and grow at Sonos—no matter their background or how they identify. If that’s you, we hope you’ll apply for this role.

You want to be part of a team.

You come with new ideas and a unique point of view. You look forward to collaborating with a diverse team of individuals. You assume everyone’s best intentions, welcome a healthy debate, and embrace differing opinions. You eagerly seek and give help. Transparency tops your list of values, and you proactively contribute to a culture of respect and inclusion.

You enjoy a challenge.

Inquisitive and focused, you see every challenge as an opportunity. You’re ambitious and comfortable making mistakes because you learn from them and bounce back quickly. You would rather create the future than wait for it. You prioritize long-term value over short-term objectives.

You love to listen.

You approach every interaction with curiosity and a desire to understand. You want to make a positive impact in the world. You’re passionate about culture and know the power that music, film, podcasts, games, and stories have to bring people together.

What You’ll Do
•  Understand the end-to-end signal processing pipeline and how to test.
•  Collaborate with audio systems and DSP teams to deliver features that are implemented, tested, and documented at the end of each sprint.
•  Deliver efficient and thorough automated testing.
•  Develop tools for rapid prototyping of audio systems.
•  Investigate and triage bugs to determine root cause and establish prioritization.
•  Shape test processes to ensure exceptional sound quality.
•  Mentor and guide the work of junior DSP test engineers.
•  Be a passionate advocate for software quality.

Skills You’ll Need
•  B.S. or M.S. in Electrical Engineering, Computer Science, or Acoustic Engineering
•  5+ years of audio software test experience with strong background in DSP
•  Solid understanding of audio test and measurement methods
•  Solid understanding of time domain and frequency domain processing fundamentals
•  Experience with audio codecs (e.g. AAC, MP3, OGG, WAV, Dolby Digital) and metadata
•  Proficient in MATLAB, C/C++, and/or Python
•  Experience with psychoacoustics and room acoustics
•  Loves music and is passionate about high quality sound
•  Sound engineering or audio background
•  Experience with Unix/Linux

More About Sonos

Sonos is a sound experience company. We pioneered multiroom wireless audio, made it sound amazing, and changed the way people listen, making it effortless for them to enjoy what they want, where they want, how they want.

Today we continue empowering listeners by developing new technologies, thoughtfully designing products, expanding our software platform, and crafting brilliant sound experiences while participating in a culture that values respect, transparency, collaboration, and ownership.

Together we’re working to positively impact the world and inspire everyone to listen better—because listening brings people together, builds understanding, drives change, and makes us happier.

Notice to European Job Applicants: Information you submit as a part of your job application will be used in accordance with Sonos EU Job Applicant Privacy Notice.

Notice to U.S. Job Applicants: Sonos is an equal opportunity employer. We evaluate qualified applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other legally protected characteristics.

Follow the links to review the EEO is the Law poster and its supplement. The pay transparency policy is available here. Sonos is committed to working with and providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please send an e-mail to and let us know the nature of your request and your contact information.