Founding Product Engineer
Hybrid (San Francisco, CA)$150k - $300k + equityFull-timePosted 2mo ago
About the role
Founding engineer role at Proliferate, an open-source, self-hostable AI IDE focused on human-agent collaboration. Early-stage startup with fast-paced, high-ownership culture in San Francisco.
Responsibilities
- Design a new interface for human-agent collaboration made possible by a model capability that landed recently
- Turn repeated engineering or company processes into fully agent-owned workflows
- Take a sharp customer pain point from rough idea to polished product surface in days
Qualifications
- Any (new grads ok)
Skills
Required:Engineering
Nice to have:Product designCustomer-driven delivery
Benefits
- Free wearable (Whoop, etc.)
- Free gym (Equinox or comparable gym)
- Free meals at the office (Sweetgreen)
- Mornings are protected deep work time – no meetings if we can avoid them
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Proliferate
The autonomous engineering organization
Proliferate gives coding agents production-grade infrastructure- sandboxed environments, event triggers, and verification workflows- so they can ship code end-to-end, not just write it.
Artificial IntelligenceDeveloper ToolsSaaSB2B
