Founding Engineer (Full-Stack / AI)
Core
Building an AI system that automatically re-engages cold property leads via WhatsApp by generating personalized follow-ups and qualifying leads while agents retain control.
Role type
Founding Full-Stack Engineer (AI/LLM)
Builds
AI message pipeline, lead understanding interpreter, messaging infrastructure, and React/Supabase product surface for property agents.
Domain
PropTech / AI / LLMs
Deliverable
production ML models | product features
Required skills
TypeScript, React, backend/data engineering, LLM integration, prompt engineering, system design, database design, async communication
Preferred skills
Supabase, Postgres, WhatsApp API integration, prompt evaluation frameworks, early-stage startup experience
Technologies
React 18, TypeScript, Vite, Tailwind, Supabase, OpenAI, Claude, pnpm
Responsibilities
Design and build the AI message pipeline (classify, select strategy, write, guardrail), develop lead understanding interpreters, integrate multi-provider WhatsApp APIs, build evaluation harnesses for LLM reliability, and develop the React/Supabase product interface.
Seniority
Founding, hands-on IC with strategic ownership
