Founding Product Engineer

San Francisco, CA · In-person

AgentMail is building the communication infrastructure for AI agents.

Today, AI agents can write code, browse the internet, and take actions on behalf of people—but they still struggle to communicate and operate independently across the services humans use every day. AgentMail gives agents their own email identities and infrastructure to send, receive, and act on email programmatically.

We’ve processed hundreds of millions of emails and serve developers building some of the most ambitious agentic products.

We’re looking for a Founding Product Engineer to help define what using AgentMail actually feels like.

What you’ll do

You’ll own products from an ambiguous customer problem to something developers use every day.

That means you’ll:

• Build products end-to-end. Work across polished frontend experiences, APIs, backend services, data models, and infrastructure when the product calls for it.

• Talk directly to customers. Interview developers, watch them use AgentMail, dig through support conversations and usage data, and understand where they’re getting stuck.

• Turn customer problems into produc