airCFO (https://aircfo.com)
Founding Engineer | Remote, UTC -8 - UTC +2
hn · Remote, UTC -8 - UTC +2
Jose is an exceptional founding engineer match with proven 0→1 product shipping experience, deep expertise in production RAG/LLM agents (LangGraph, LangChain, OpenAI), and a strong full-stack foundation (Python/FastAPI, TypeScript/Node, React, PostgreSQL). His architecture-first mindset, experience scaling AI systems in production, and comfort with both infrastructure and product decisions align perfectly with airCFO's need for someone to build retrieval layers and internal tools. His only minor gap is no explicit accounting/finance domain experience, but his rapid domain learning track record and generalist capabilities make this easily surmountable.
Hook: Your experience architecting LangGraph agents at scale and shipping full-stack AI products from zero resonates perfectly with building airCFO's RAG platform and internal applications.
Missing: accounting/finance domain knowledge, MCP (Model Context Protocol) experience
Sent (1)
Hi Yair, The founding engineer role is exactly the kind of work I do best: building AI products from an empty repo to production, owning architecture and infrastructure at once. At Addie I'm the sole engineer behind a LangGraph agent system serving students across 10+ countries, built on the same stack you're using — TypeScript/Node, Python/FastAPI, React, Postgres. I've shipped production agents and made the build-vs-buy calls across model and tooling providers. Your point about driving coding agents hard without losing the plot resonates. I lean on agents heavily but keep a real mental model of the whole system — twelve years across Twilio, emergency-response infrastructure, and an 8M-user wallet taught me that clean architecture matters most where failure is expensive. Building a RAG context layer over all your tools is a problem I'd enjoy owning. Happy to share more or chat. Jose Oliveros chinnno15@gmail.com
Posting
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.