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Hark

Audio Software Engineer

San Jose, CA · On-site

$170K - $400K/yr

One that is proactive, multimodal, and capable of interacting with the world through speech, text ... Familiarity with WebRTC internals (the Audio Processing Module, AEC3, Opus) and voice-agent ...

COGENCY GLOBAL INC.

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Corporate Fulfillment Specialist

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$40K - $45K/yr

Fulltime - Non-Exempt Hours: 9:00 a.m. to 5:00 p.m. Are you looking for a company committed to ... Doing the Right thing even when no one will know and walking the talk. Fairness: We have an open ...

Ensono

Hardware Tech

Downers Grove, IL

Week 1 - SUN, WED, THUR / Week 2 - MON, TUE, FRI, SAT. The schedule will rotate week 1 and 2 ... Downers Grove, IL - Opus, Illinois Additional Locations (if applicable): Ensono is an Equal ...

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Efficiently document all billable interactions into OPUS, utilizing DAP note formatting ... If in recovery, one year of continuous sobriety prior to hire and active and continuing ...

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What is the difference between Full Time Opus One vs Full Time Sommelier?

AspectFull Time Opus OneFull Time Sommelier
Required CredentialsWine certifications, hospitality experienceSommelier certification, wine knowledge
Work EnvironmentLuxury winery, fine dining restaurantsUpscale restaurants, wine cellars
Employer & IndustryWine production, luxury hospitalityRestaurants, wine retail

Full Time Opus One roles typically focus on wine production and winery operations, requiring wine certifications and experience in luxury hospitality. Full Time Sommeliers primarily work in fine dining settings, specializing in wine service and customer education. While both roles involve wine expertise, Opus One positions are more production-oriented, whereas Sommeliers focus on wine service and customer interaction.

What are the most commonly searched types of Opus One jobs? The most popular types of Opus One jobs are:
What job categories do people searching Full Time Opus One jobs look for? The top searched job categories for Full Time Opus One jobs are:
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Audio Software Engineer

Audio Software Engineer

Hark

San Jose, CA • On-site

$170K - $400K/yr

Full-time

Posted 20 days ago

Job description

About Hark
Hark is an artificial intelligence company building advanced, personalized intelligence. One that is proactive, multimodal, and capable of interacting with the world through speech, text, vision, and persistent memory.
We're pairing that intelligence with next-generation hardware to create a universal interface between humans and machines. While today's AI largely operates through chat boxes and decade-old devices, Hark is focused on what comes next: agentic systems that interact naturally with people and the real world.
To get there, we're developing multimodal models and next-generation AI hardware together - designed from the ground up as a single, unified interface for a new era of intelligent systems.
About the Role
We're hiring a Member of Technical Staff (Real-Time Audio) to join our Product Engineering team. Hark's voice agent holds real-time, full-duplex conversations with people in homes, cars, and noisy rooms. That experience is only as good as the audio underneath it.
This role owns the real-time audio that makes conversations feel natural (echo cancellation, noise suppression, and voice activity detection) as production code in our live client. This is not a research role and not a DSP theory role. We're looking for someone who can do both: understand the signal processing and ship the code.
Responsibilities
  • Own audio quality on the client: echo, self-interruption, dropouts, and clipping
  • Build and tune the browser audio pipeline with the Web Audio API, AudioWorklet, and getUserMedia constraints
  • Work the WebRTC audio path end to end: AEC, noise suppression, and VAD
  • Ship DSP to the client as C++/Rust compiled to WebAssembly, and as TypeScript in the audio pipeline
  • Tune endpointing, interruption, and turn-taking so the agent listens like a person
  • Reduce conversational latency and artifacts across the streaming pipeline
  • Work in our React/TypeScript client where audio meets the UI
  • Manage features end-to-end from prototyping through production
  • Collaborate with designers, platform engineers, and our speech team.

Requirements
  • 5+ years of software engineering experience
  • Shipped real-time audio into a product used by real users
  • Hands-on experience with WebRTC, AEC (echo cancellation), noise suppression, and VAD
  • Strong DSP fundamentals: adaptive filtering, STFT, resampling, and gain control
  • C/C++ or Rust for production DSP, and experience shipping it to the browser via WebAssembly
  • Working knowledge of the browser audio stack: Web Audio API, AudioWorklet, and MediaStream constraints
  • Comfort with latency, buffering, and sample rates in a streaming audio pipeline
  • Owns features end-to-end and works comfortably in a shared production codebase.

Bonus Qualifications
  • Experience working at a voice, speech, or video-conferencing company
  • ML for audio: noise suppression, VAD, or source separation (e.g. RNNoise, DeepFilterNet, Silero VAD), and on-device inference (ONNX Runtime, Core ML)
  • Familiarity with WebRTC internals (the Audio Processing Module, AEC3, Opus) and voice-agent frameworks (LiveKit, Pipecat)
  • TypeScript and React, and comfort working across the product frontend
  • Experience with target-speaker isolation, diarization, or barge-in and turn-detection systems for conversational AI.

Compensation
The US base salary range for this full-time position is between $170,000-$400,000 annually.
The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience. The total compensation package may also include additional components/benefits depending on the specific role. This information will be shared if an employment offer is extended.

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