Hybrid DSP Software Engineer

at Sonos

• Job title: DSP Software Engineer
• Job type: Full Time
• Experience level: Junior
• Salary: $88,000 - $109,800 per year
• Degree requirement: Bachelor's Degree
• Tech skills: Linux, RTOS, Rust
• Location requirements: Hybrid, Boston, United States

About the role

• DSP Software Engineer developing audio processing and rendering software for Sonos products. Collaborating with cross-functional teams to enhance high-definition audio experiences.

Responsibilities

• Implement, extend, and maintain modular real‑time audio and DSP components in Rust and C.
• Contribute to integrating and optimizing machine learning models for audio , including classification, enhancement, or spatial processing workloads on embedded platforms.
• Collaborate on the design of hard real‑time software architectures for audio pipelines.
• Help integrate new multi‑channel audio formats, codecs, and DSP algorithms into Sonos platforms.
• Work with senior engineers to solve audio routing, timing, and synchronization challenges across wireless networks.
• Develop unit tests using GTest or Rust testing frameworks and contribute to continuous integration.
• Debug complex issues that may span DSP algorithms, embedded RTOS/Linux systems, wireless audio transport, or hardware interactions.
• Implement and document clean, maintainable, portable software that can run across processors and operating environments.

Requirements

• Exposure to or interest in machine learning for audio (e.g., model inference on embedded systems, audio feature extraction, basic ML/DSP hybrid techniques).
• 0–3 years of experience in embedded software, DSP, or systems programming (industry, academic, or project‑based experience).
• Proficiency in Rust and C programming.
• Foundational understanding of digital signal processing concepts (filtering, sampling, latency, numeric representation, etc.).
• Exposure to real‑time systems, embedded Linux, or RTOS environments.
• Familiarity with multichannel audio concepts, streaming formats, or codecs (e.g., AAC, FLAC, Opus, Atmos) is a plus.
• Ability to write unit tests and design for testability.
• Strong problem‑solving skills and willingness to work hands‑on at all layers of the audio stack.
• Interest in audio technology, DSP, music, or consumer hardware.

Benefits

• Medical, Dental, and Vision Insurance
• A 401(k) plan with company matching and immediate vesting
• An Open Time Off policy (OTO) so you have maximum opportunity to disconnect and recharge, with no tenure-based vacation accruals required
• 80 hours of sick time upon hire, refreshed annually
• Up to 12 paid holidays per calendar year
• Sonos offers a generous paid leave program for new parents or to care for a family member with a serious health condition, as well as short- and long-term disability for your own medical condition
• Company-paid Disability, Life, and AD&D Insurance
• Voluntary benefits, including Voluntary Life, AD&D, Accident, and Pet Insurance
• Mental health benefits to support your holistic well-being
• A generous employee discount program & Sonos Radio HD - on us!