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Founding AI Engineer

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Founding AI engineer building a real-time voice agent for B2B SaaS sales conversations. Build agent reasoning, evaluations, browser demos, and end-to-end product features. Requires 4-7 years of AI engineering experience and proficiency in TypeScript, Node.js, and Next.js.

Key Highlights
Founding AI engineer for a real-time voice sales agent
Build reasoning, tool use, memory, and recovery for live conversations
Ship end-to-end product work with TypeScript, Node.js, and Next.js
4-7 years of AI engineering experience required
On-site in New York with visa sponsorship available
Key Responsibilities
Build the agent's reasoning, tool use, memory, and ability to recover when live conversations go off script while meeting strict latency requirements.
Develop evaluation pipelines and use real sales-call data to drive measurable improvements, including fine-tuning where useful.
Improve the reliability of browser-based product demonstrations conducted during live calls.
Ship end-to-end product work using TypeScript, Node.js, and Next.js.
Work directly with customers and design partners to shape the product and guide decisions about models, architecture, and build-versus-buy tradeoffs.
Technical Skills Required
TypeScript Node.js Next.js
Benefits & Perks
Visa sponsorship
Nice to Have
Familiarity with WebRTC, LiveKit, Playwright, LLM APIs, and agent evaluation methods
Customer-facing engineering, design partner collaboration, sales technology, or startup experience

Job Description

About the Role

Join an early-stage B2B SaaS team as its founding AI engineer, building the core of a real-time voice agent that conducts sales conversations, demonstrates products in a browser, and follows up with prospects. You will lead the agent's technical direction and help shape its next capabilities.

What You'll Do

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