---
title: 'Agent Experience Engineer at AgentMail'
canonical: 'https://feeny.ai/job/agent-experience-engineer-agentmail-san-francisco-x2gzg5c28249'
type: 'job'
last_seen: '2026-09-09'
---

# Agent Experience Engineer at AgentMail

- **Company:** AgentMail
- **Location:** San Francisco, CA
- **Employment:** full-time
- **Work type:** onsite
- **Posted:** 2026-08-10
- **Last confirmed live:** 2026-09-09
- **Apply:** https://jobs.ashbyhq.com/agentmail/3918f5f4-8246-4c65-bf63-8a77798a03cf

## Job description

AgentMail is building the identity layer for AI agents, starting with email. Our most important user is an agent: it discovers us through model answers and docs, then signs up and integrates on its own. We're looking for an Agent Experience Engineer to own how AI models and agents discover and use AgentMail. That means AEO, evals, benchmarks, agent traces, docs, and llms.txt.

AgentMail has raised $6M from investors including General Catalyst, Y Combinator, Paul Graham (founder of YC), Karim Atiyeh (founder of Ramp), Paul Copplestone (founder of Supabase), and Dharmesh Shah (founder of HubSpot).

You'll work on:

- Answer-engine presence: when someone asks an LLM about email or identity for agents, AgentMail is the recommendation. You measure share of voice on the prompts that matter and move it
- Original research: evals and benchmarks on how well frontier models, open source models, and agent harnesses use AgentMail
- Agent traces: running agents against our docs and site, reading their reasoning, and fixing what confuses them. A stray Reddit thread once convinced LLMs we have a feature that doesn't exist
- The agent-facing surface: llms.txt, MCP descriptions, docs structure, and the error messages agents hit at 3am with no human watching
- The AEO content engine: steering and verifying our automated page pipeline, briefing freelancers, and doing backlink outreach to the pages models already cite
- The weekly AEO briefing's action queue, from freshness debt to competitor watch

You're a fit if:

- You build with agents daily and have opinions about what makes a product easy or miserable for an agent to use
- You work cross functionally by default
- You express your opinion early, and you'll publish an honest writeup even when the result is inconvenient
- You go deep on messy technical problems. You'd rather spend a day reading agent traces than guess
- You understand retrieval: models pull chunks, not pages, and you write accordingly

Strong preference for published technical writing or benchmarks people actually cited. SEO or AEO experience helps, as do contributions to docs or MCP servers in the wild.

Compensation: $110K to $175K, plus 0.2% to 0.5% equity.

## About AgentMail

## Company Overview
- **One-liner**: AgentMail provides an API-first email inbox service built specifically for AI agents, enabling them to send, receive, and manage emails autonomously.
- **Entity Type**: Private (YC S25, Seed-stage)
- **Headquarters**: San Francisco, California, United States
- **Founded**: 2025
- **Founders**: Haakam Aujla, Adi Singh, Michael Kim

## Core Business
- **Primary industry**: Email infrastructure / AI agent tooling
- **Target customers**: B2B – developers and platform builders creating AI agents that need to communicate via email
- **Mission or purpose**: To give every AI agent its own email inbox, enabling identity, communication, and persistent memory on the internet.

## Products & Services
- **AgentMail API**: REST API to programmatically create inboxes, send/receive emails with full threading, attachments, and multi-party support. Includes webhooks, WebSockets, custom domains (DKIM/SPF/DMARC), and semantic search. [agentmail.to](https://www.agentmail.to/)
- **SDKs & MCP Server**: Python and TypeScript SDKs, plus an MCP (Model Context Protocol) server for AI tool integration. [agentmail.to](https://www.agentmail.to/)
- **IMAP & SMTP Access**: Legacy protocol support alongside the API for compatibility. [agentmail.to](https://www.agentmail.to/)
- **Multi-tenant Pods**: For platform builders who need to manage inboxes across many customers. [agentmail.to](https://www.agentmail.to/)

## Market Standing
- **Valuation/Market Cap**: Not publicly available (private company)
- **Key Metric**: Total Funding – $6.625M (as of March 2026) [linkedin.com](https://www.linkedin.com/company/agentmailto)
- **Notable Investors/Partners**: Y Combinator (S25), General Catalyst (lead in later seed round), Paul Graham, Paul Copplestone (Supabase founder), Karim Atiyeh (Ramp founder). [ycombinator.com](https://www.ycombinator.com/companies/agentmail)
- **Growth Signals**: Team size ~10 (up from 8, +200% YoY); 5,800+ LinkedIn followers (+5.4% monthly); 3 active job postings; backed by top-tier investors. [linkedin.com](https://www.linkedin.com/company/agentmailto)

## Competitive Advantages
- **First-to-market for AI-native email**: Built from scratch for agent use cases, unlike legacy providers (Gmail, Outlook) that lack API-first inbox creation and impose restrictive rate limits.
- **Fully managed persistent inboxes**: Handles parsing, threading, labeling, searching, and replying – agents get the same email experience as humans without building custom logic.
- **Developer-first design**: Simple API key auth, no OAuth headaches, built-in permissions and guardrails, semantic search across all inboxes.
- **Scalable infrastructure**: Usage-based pricing without per-inbox monthly fees, designed to handle high volumes of emails and inboxes.

## Strategic Focus
- **Current priorities**: Scaling the platform to meet growing demand from AI agent builders; expanding SDK support and integrations; hiring engineering, GTM, and operations talent to accelerate product development and market adoption. [ycombinator.com](https://www.ycombinator.com/companies/agentmail/jobs)
- **Direction**: Become the default email infrastructure layer for the AI agent ecosystem, enabling agents to communicate, authenticate, and transact via email just like humans.

## Why Work Here
- **Culture**: Small, YC-backed team (10 people) working on hard infrastructure problems at the intersection of email protocols and AI. Founders have backgrounds at Optiver, NVIDIA, and Accel. [ycombinator.com](https://www.ycombinator.com/companies/agentmail)
- **Remote/Hybrid**: Based in San Francisco; likely in-office given the early-stage startup nature, but not explicitly stated.
- **Perks & Engineering Culture**: Competitive salary ($110K–$400K depending on role) plus meaningful equity (0.20%–2.00%). Opportunity to shape the product from the ground up, work with cutting-edge AI tooling, and join a fast-growing company backed by top investors. [ycombinator.com](https://www.ycombinator.com/companies/agentmail/jobs)

## Sources
1. [agentmail.to](https://www.agentmail.to/) – Company website, product description, and career page
2. [ycombinator.com](https://www.ycombinator.com/companies/agentmail) – Y Combinator company profile (funding, founders, team size, open roles)
3. [linkedin.com](https://www.linkedin.com/company/agentmailto) – LinkedIn company page (funding rounds, headcount growth, investors, executive team)

## Other roles at AgentMail

- [Founding PLG & Community Lead](https://feeny.ai/job/founding-plg-community-lead-agentmail-san-francisco-hxwsf3nnqjq6) — San Francisco, CA
- [Founding GTM & Operations Lead](https://feeny.ai/job/founding-gtm-operations-lead-agentmail-san-francisco-yw31f1tp18z0) — San Francisco, CA
- [GTM Engineer](https://feeny.ai/job/gtm-engineer-agentmail-san-francisco-eehm2x1gjdc3) — San Francisco, CA
- [Senior Engineer, Backend/Infra](https://feeny.ai/job/senior-engineer-backend-infra-agentmail-san-francisco-5z8yf46hk0fw) — San Francisco, CA
- [Founding Engineer](https://feeny.ai/job/founding-engineer-agentmail-san-francisco-e4apbq47g5qj) — San Francisco, CA
- [Agent Experience Engineer](https://feeny.ai/job/agent-experience-engineer-firecrawl-san-francisco-vzk5eax5yxrg) — San Francisco, CA
- [Agent Experience Engineer](https://feeny.ai/job/agent-experience-engineer-reducto-san-francisco-71sk9awf0040) — San Francisco, CA