Description
Founding AI Engineer
Location: New York
Department: Founding Team
Location Type: IN_OFFICE
Employment Type: FULL_TIME
📍 NYC — Open to Relocation
đź’Ľ 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
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