Believe in the Bitter Lesson — let AI discover, not discover for it.

You build and deliver concrete agent features and system modules on top of the architecture designed by the Founding Engineer. You turn specific requirements into production-ready code — new agent skills, tool integrations, verification workflows, and backend services. This role emphasizes high-quality execution and rapid iteration.

You’ll join a small, elite core team, pairing with the Founding Engineer to rapidly grow your agent system design skills. This is a role with a clear growth trajectory — you’ll accumulate deep experience in production-grade agent systems.

• Build new skills, tool integrations, and product features on the existing agent framework
• Independently deliver product features end-to-end — frontend, API layer, and agent backend as a complete chain
• Build and maintain verific...