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Founding Engineer
Sierra
San Francisco, CAOn-siteFull-timeSenior6+ years$220,000 - $280,000 + equity
Early enough that your architecture decisions become the foundation. Heavy customer contact, real ambiguity, no playbook.
Requirements
- 6+ years of software engineering, with at least one 0-to-1 product built
- Comfortable owning ambiguous problems with no existing playbook
- Strong product instincts — this role isn't just implementation
Responsibilities
- Build the conversational agent platform from the ground up
- Work directly with early customers shaping the product roadmap
- Make architecture calls that the next 20 engineers will live with
Skills
- Python
- TypeScript
- LangChain
- RAG
- AWS