Founding Platform Engineer — Autonomy & Equity (Seed AI)

CoffeeSpace; San Francisco (CA); On-site; USD 225,000 - 300,000; Full time

Job summary

CoffeeSpace, an anonymous seed-stage AI-agent data and workflow platform, is recruiting for a Founding Engineer, Platform in San Francisco. You’ll own the backend engine behind every customer workflow, including scheduling, queues, integrations, and ensuring scalability and data consistency at high volume.

You will work closely with the technical co-founder on production-grade infrastructure using a modern stack (TypeScript, Effect, Postgres, Redis, React, Vite).

Qualifications

• 5+ years of production engineer experience.
• Experience with Effect or functional TypeScript.
• Experience building production job systems, queues, or data pipelines at scale (high-volume data infrastructure).
• Experience at an early-stage startup (seed to Series A/B, ex-founder, or Founding Engineer)

Responsibilities

• Own the core of the workflow engine, addressing real scale and uptime demands.
• Design and implement features from scoping through delivery.
• Collaborate with the technical co-founder on infrastructure and architecture.
• Utilize a modern tech stack: TypeScript, Effect, Postgres, Redis, React, Vite, TanStack, ElectricSQL

Skills

Production engineering

Effect (functional TypeScript)

Data pipelines

Job queues

Tools

TypeScript

Effect

PostgreSQL

Redis

React

Vite

TanStack

ElectricSQL

Job description

CoffeeSpace, an anonymous seed-stage AI-agent data and workflow platform, is recruiting for a Founding Engineer, Platform in San Francisco. You’ll own the backend engine behind every customer workflow, including scheduling, queues, integrations, and ensuring scalability and data consistency at high volume.

You will work closely with the technical co-founder on production-grade infrastructure using a modern stack (TypeScript, Effect, Postgres, Redis, React, Vite).