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Onsite or remote • Boulder+12💼 Full-time🗓 2026-06-25 → 2026-08-15

Core

Architect and lead the development of an agentic infrastructure platform, building deep integrations with the modern growth stack and implementing AI-native features.

Role type

Founding Full-Stack Engineer (Rails + AI/LLM)

Builds

Scalable agentic platform integrating Atlassian, Stripe, HubSpot, Linear, Jira, and Google Suite

Domain

SaaS / AI Infrastructure / LLM Orchestration

Deliverable

production ML models | product features | infrastructure

Required skills

Ruby on Rails, API integration, LLM orchestration, system architecture, full-stack development

Preferred skills

Founder mindset, strategic decision-making, high-velocity environment navigation

Technologies

Ruby on Rails, Heroku, Atlassian, Stripe, HubSpot, Linear, Jira, Google Suite

Responsibilities

Architect the "Autonomous Engine" from Beta to scalable platform, build bi-directional integrations with growth stack tools, implement and optimize AI-native features, ship code across the entire stack

Seniority

Founding, hands-on IC

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