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About the Role
Join an early-stage AI sales automation team building multimodal agents that communicate across voice, SMS, and email. You will own a core product or infrastructure domain end to end, work directly with customers, and help shape product decisions as the team grows.
Responsibilities
- Own a domain from architecture through daily production releases.
- Talk with customers, synthesize feedback, and make product decisions without relying on a dedicated product manager.
- Build and optimize agents across voice, SMS, and email, including low-latency voice experiences and persistent conversation state.
- Set quality practices for non-deterministic systems, including evaluations, prompt versioning, guardrails, and drift detection.
- Work across React and Next.js frontends, Node.js backends, and Python services.
Requirements
- Three to eight years of full-stack engineering experience, with a track record of shipping zero-to-one products at startups, large technology companies, or as a founder.
- Strong production experience with TypeScript, Node.js, React, and Next.js, plus experience with Python services.
- Hands-on experience building production systems with LLM APIs or agent SDKs.
- Depth in at least one area such as voice or SMS agents, agent state and memory, evaluations and guardrails, or B2B2C and marketplace products.
- Experience with low-latency systems, customer discovery, and making product decisions independently.
- Strong computer science fundamentals; founder experience with demonstrated traction is also valued.
- Availability for occasional intense work periods during launches or major customer milestones.
Skills
- TypeScript
- Node.js
- React
- Next.js
- Python
- LLM APIs
- Agent SDKs
- Low-latency systems
Location
- On-site in New York, New York, United States
Work Type
- On-site
- Full-time
Experience Level
- 3-8 years of full-stack engineering experience
Salary/Compensations
- $180,000 to $250,000 USD annually