Founding AI Engineer

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 supports sales conversations and product demos. You will own the agent's technical direction, from architecture and model choices to measuring and improving performance.

What You'll Do

• Build agent reasoning, tool use, memory, and recovery for live conversations, while meeting tight latency requirements.

• Develop evaluation pipelines and use call data to drive measurable improvements, including fine-tuning where it is effective.

• Improve the reliability of browser automation so the agent can demonstrate products in a live browser while speaking with buyers.

• Ship product features end to end using TypeScript, Node.js, and Next.js.

• Work with customers and design partners to shape the product, and set direction on models, methods, and build-versus-buy decisions.

What We're Looking For

• Four to seven years of AI engineering experience, including hands-on experience shipping AI agents in production from end to end.

• At least one year working with real-time or voice AI systems, such as WebRTC, LiveKit, streaming, or other low-latency applications.

• Experience with agent evaluation, observability, and cost optimization, plus TypeScript, Node.js, and Next.js.

• Background in voice AI, AI sales, browser agents, sales technology, or another fast-growing AI product environment.

• Experience with browser automation tools such as Playwright and working directly with customers or design partners is valuable.

• A computer science degree or another technical background, with strong technical fundamentals.

Compensation & Benefits

Base salary: $200,000 to $250,000 annually. Visa sponsorship is available.

Location

On-site in New York, New York. Candidates must be located in New York or able to relocate from their first day.