The Devices and Services org at Amazon has been the innovation engine of consumer electronics at Amazon with industry‑leading devices such as Kindle e-readers, Fire tablets, Fire TV, Echo, and Alexa, the world’s most popular smart speaker and AI assistant.
We are looking for a Senior Applied Scientist – Audio to join the Edge Technology team, responsible for all Echo audio features, including Spatial Audio and Home Theater. Your work will impact the lives of Echo customers as music listening is the most popular feature.
Key Job Responsibilities
- Be the champion of Echo music processing technology innovation from ideation, proof of concept to productization.
- Propose new research projects, secure stakeholder buy‑in, and lead the team for successful execution.
- Work closely with an interdisciplinary product development team, including outside partners, to bring prototype algorithms into commercialization.
- Be a team leader in an open and collaborative environment.
Basic Qualifications
- 5+ years of industry or academic research experience.
- Experience in embedded development in C/C++ or full software development life cycle, including coding standards, code reviews, source control, build processes, testing, and operations.
- Strong written and oral communication skills, able to communicate with all levels (technical, business, executive).
- Proven track record in commercializing innovative audio (music processing, especially spatial audio) algorithms.
- Passion for high‑fidelity music rendering and skilled in critical listening.
- Expert knowledge of music signal‑processing theory and applications—filter design optimization, limiter/compressor, dynamic‑range compression, up‑mixing, binaural rendering, etc.
- Proficient with real‑time audio programming in C/C++ and Python/Matlab.
Preferred Qualifications
- Peer‑reviewed scientific contributions in premier journals and conferences.
- Experience with machine‑learning applications in music processing—generative models (diffusion or auto‑encoder) for source separation, up‑mixing, and 3D audio applications.
- Basic understanding of physical acoustics, room acoustics, and transducer theory.
- Good understanding of a full smart audio system design—microphone array, loudspeaker, ADC, gain stages.
- Familiarity with voice processing—beamforming, echo cancellation, noise reduction, etc.
- Understanding of music production processes—stereo and multichannel audio formats, mixing/mastering, and reproduction.
- Experience mentoring junior researchers and graduate interns.
Amazon is an equal‑opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.
Los Angeles County applicants: Job duties for this position include working safely and cooperatively with other employees, supervisors, and staff; adhering to standards of excellence despite stressful conditions; communicating effectively and respectfully; and following all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider qualified applicants with arrest and conviction records.
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Salary ranges: USA, CA, Sunnyvale – $192,200.00 – $260,000.00 USD annually.
USA, MA, Cambridge – $167,100.00 – $226,100.00 USD annually.
USA, WA, Bellevue – $167,100.00 – $226,100.00 USD annually.
Benefits include health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance, and optional supplemental life plans), EAP, mental health support, medical advice line, flexible spending accounts, adoption and surrogacy reimbursement coverage, 401(k) matching, paid time off, and parental leave.
Company: Amazon.com Services LLC
Job ID: A