Fullstack Engineer
About Phoebe
Phoebe is building AI coordination layer for in-home care, one of the one of the largest labor markets in the country.
We've grown from $0 to $800k+ ARR in 4 months with zero churn. We're backed by great investors like Slow, Quiet, Roar, and Moxxie.
What you'll do
Build voice and SMS agents to automate this 24/7 logistics industry end-to-end
Design and improve our LLM orchestration layer - prompt engineering, tool use, context management, and evaluation
Build internal tooling so our ops team can monitor agent performance, handle edge cases, and onboard new customers faster
Improve reliability and observability across our voice and messaging infrastructure
Ship features end-to-end: data model to API to UI
Our tech
React / TypeScript / Vite on the frontend
FastAPI / Python on the backend
Postgres (RDS)
Twilio for voice and SMS
LLMs throughout
AWS
Linear, Notion
You're a good fit if
You're a strong generalist who can work across the stack
You stay on the cutting edge of AI dev workflows and love using coding agents to automate engineering, observability, and the entire development workflow.
You ship fast and iterate based on real usage
You're comfortable with ambiguity and figuring things out as you go
You've worked with LLMs in production (or are eager to)
You want to be early at a company that's growing very quickly
You have 2+ years of professional engineering experience
What we offer
Interesting, high-leverage work at a company growing very fast
$180k+ base salary with above-market equity
Small team where your work ships to customers immediately
In-person in NYC (Chinatown / LES) - we work in the same room
Multiple second-time founders to learn from - Justin (CEO) sold Bayes (YC S19) to Airtable. Dave built and sold Kamana, an app for travel nurses.
Average salary estimate
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