Founding Research Scientist - Diffusion

Nuance Labs is an early-stage deep tech startup. We’re building the first real-time human foundation model — unifying text, speech, and vision — to make AI socially and emotionally intelligent. Imagine an AI that can understand a quirked eyebrow, a shift in tone, or a hesitant pause, and respond in a way that feels truly human.

Key Facts

• $10M seed round backed by Accel, South Park Commons, Lightspeed, and angel investors including the former Chief Product Officer of Synthesia.
• In-person collaboration, 5 days a week, Seattle HQ (with plan to expand to San Francisco)

This is for you, if you:

• Have a PhD (or equivalent experience) in diffusion models, image/video/3D generation, or related fields, with a track record of pushing the research frontier
• Know deep learning inside out and can run the whole ML pipeline, from data wrangling and rapid prototyping to large-scale training, benchmarking, and evaluation
• Love blank-page problems, chart your own course, and make progress without waiting for someone to hand you a task list
• Move quickly from research breakthroughs to practical, real-world applications
• Write code that’s clean enough your future self will thank you for
• Play well with other brilliant minds from different domains

What you’ll be building

The first human foundation model that operates across text, speech, facial expression, and body language in real time. This unified model:

• Understands fine-grained human signals — from a quirked eyebrow to a subtle change in voice — and infers meaning in context
• Generates lifelike, responsive avatars whose expressions, gestures, and tone evolve frame-by-frame to deliver genuine responses

The landscape is ripe for innovation. While voice AI systems have made great strides in capturing prosody, and avatar platforms can generate compelling visuals, existing solutions remain fragmented. Real-time, multimodal interaction — where voice, facial expression, and contextual perception converge — is still an unsolved problem. This role offers the rare opportunity to shape foundational technology in a space where the boundaries are still being defined.

Why now?

As IQ in AI becomes a commodity, EQ is emerging as the key differentiator.

• Market - Social interaction is increasingly virtual, across work, healthcare, education, and entertainment. Millions already engage daily with AI companions in text. The leap to rich visual and emotional interaction is inevitable.
• Technology - Breakthroughs in expressive avatars, streaming speech, and real-time video generation now make this vision achievable at human speed.

Why this team?

We’re former Apple research scientists who’ve spent years advancing AI avatar and audio-visual generation — publishing at top conferences and shipping ultra-low-latency ML products to millions. We combine frontier research with the ruthless engineering needed for consumer-grade, real-time systems.

• Fangchang Ma: CEO. MIT PhD in Robotics and ML. Previously Research Manager at Apple, with experience at DJI. Published in top AI conferences with 2400+ citations.
• Edward Zhang: CTO. UW PhD in Computer Graphics. Previously Senior research scientist at Apple, with experience at Google, Microsoft.
• Karren Yang: Founding Research Scientist. MIT PhD. Previously senior research scientist at Apple, with experience at Niantic Labs, Meta Reality Labs, Bosch Center for AI, and Adobe Research. Published in top AI conferences with 1800+ citations.

We’re a small, fast-moving research team with an exceedingly high bar — bringing on only the very best talent. Every member has massive ownership, deep trust, and the opportunity to shape both the technology and the company from the ground up.

Cultural Values

• Doing right by people — integrity and respect aren’t negotiable.
• Transparency — we communicate openly and share context so everyone can make informed decisions.
• Relentless speed — we bias toward action, iterate fast, and learn quickly.
• In-person collaboration: the best ideas and strongest teams happen face-to-face. Being together fuels our energy, accelerates problem-solving, and sparks creativity.

How to Apply

Email with your CV and a short note on why this role excites you.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

• Industries

  Software Development

Referrals increase your chances of interviewing at Nuance Labs by 2x

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