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Founding Engineer at Sunspell

New York, NY💼 Full-time🗓 2026-09-01 → 2026-09-27

Core

Own the production application around the company's intelligence layer, including architecture, data-heavy interfaces, and durable execution state.

Role type

Founding Engineer (Full-stack)

Builds

Production application, intelligence layer, MCP servers, and data-heavy interfaces

Domain

SaaS / AI / Data Engineering

Deliverable

production ML models | product features

Required skills

React, TypeScript, Node.js, Python, Postgres, system architecture, durable execution, idempotency, permissions management, deployment automation

Preferred skills

Experience building and shipping own products, MCP server development, Claude Code integration

Technologies

React, TypeScript, Node.js, Python, Postgres, MCP servers, Claude Code

Responsibilities

Design and implement full-stack architecture for the intelligence layer, build data-heavy interfaces for daily operations, develop and maintain MCP servers, manage deployment pipelines and state durability

Seniority

Senior, hands-on IC

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