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Founding AI Engineer
Founding AI EngineerThe Interface • New York, New York, United States, 10011
Founding AI Engineer

Founding AI Engineer

The Interface • New York, New York, United States, 10011
1 day ago
Job type
  • Full-time
Job description

📍 NYC — Open to Relocation💼 Full-time or Contract-to-hire💸 Competitive salary + equity — based on experience

About our Company We’re a small team of engineers, creatives, and researchers building new kinds of interactive experiences powered by AI. We’re launching The Interface : a platform for expressive, real-time characters that people can talk to and explore shared worlds alongside. It’s a mix of entertainment and social.

We just wrapped up YC (S25) and raised a sizeable seed round from top investors. Max (CEO) studied MechE at MIT, previously led AI initiatives at McKinsey; Peyton (CTO) is an MIT CS grad and former quant at Citadel. We’re setting up in NYC — a hacker house-style space — and moving quickly toward launch.

About the Role We’re looking for a Founding AI Engineer to build the intelligence layer behind our real-time characters. You’ll be developing low-latency, expressive AI systems — powering voice, personality, and narrative consistency — so that users can have rich, dynamic interactions with characters.

This is a highly creative engineering role : you’ll run experiments across voice models, prompting strategies, and generative systems; help define how characters maintain memory and personality; and ensure everything runs in real time with minimal latency.

What You’ll Do

  • Build and optimize real-time voice models and pipelines for natural, low-latency speech
  • Develop personality systems, context management, and narrative consistency tools
  • Experiment with prompting, fine-tuning, and custom model integration
  • Explore generative techniques (e.g. diffusion, multimodal tools) to launch new product features
  • Collaborate with rendering engineers to tightly connect voice, visuals, and behavior
  • Create metrics and frameworks for evaluating reliability, latency, and engagement
  • Prototype and ship AI features directly into the product with fast iteration cycles

You Might Be a Fit If You

  • Have 3–6+ years of experience in ML / AI engineering (especially real-time systems)
  • Are comfortable with voice models / conversational AI
  • Have worked with prompting, fine-tuning, or custom model deployment
  • Understand how to balance performance, cost, and latency in production AI systems
  • Have experience with generative models (text, voice, image, or multimodal)
  • Are excited by fast-paced, hands-on experimentation in new AI applications
  • Enjoy building at the intersection of engineering and creativity

    • Why Join Us

  • You’ll be one of the first 5 team members
  • You’ll work directly with the founders (MIT backgrounds, bias to action)
  • We just raised a sizeable seed round and are backed by top investors
  • You’ll own the intelligence layer of our characters and product
  • We’re building an entertainment platform and want to have fun doing it
  • You’ll help shape the foundation of how AI feels, sounds, and interacts in real time

    • PI40082f4eb224-30511-38711097

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    Founding Ai Engineer • New York, New York, United States, 10011