Founding Engineer

airCFO · Accounting & Finance

unknownRemote (UTC -8 - UTC +2)

Salary Range (USD)

Negotiable

Location

Location N/A

Visa Support

Not mentioned

Funding Stage

Unknown

Job Responsibilities

  • Build systems behind the platform
  • Develop a retrieval/RAG context layer
  • Create internal apps for teams

Required Skills

Clean architectureMental model of the whole system

Engineering Culture & Tech Stack

TypeScriptNode.jsPythonFastAPIReactPostgreSQLClaudeMCP
High autonomy
Small team

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airCFO (https://aircfo.com) | Founding Engineer | Remote, UTC -8 - UTC +2 | Full-time, part-time possible for the right candidate airCFO is an AI-powered accounting & finance services partner to 300+ startups (current/former clients include Anthropic, Replit, Harmonic), and we are building a platform to supercharge our service's capabilities. We're hiring a founding engineer to build the systems behind it: a retrieval/RAG context layer over all our tools, and the internal apps (TypeScript, Node, Python/FastAPI, React, Postgres, Claude + MCP) our teams use daily. We want someone senior who drives coding agents hard but refuses to lose the plot — clean architecture and a real mental model of the whole system. Production RAG/agents a plus, not a requirement. You'd report to a hands-on fractional CTO; small team, high autonomy. Email me at yair [dot] aviner {at} aircfo.com with "HN - Founding Engineer" in the subject.

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