spf=pass · dkim=pass · dmarc=pass

An application, delivered.

I'm Gustavo. I've spent five years as the engineer customers trust in the room, and the last one in pre-sales. Before I say anything else about me, here's the tool I'd use before every Resend discovery call.

Try

Read-only DNS lookups straight from your browser, over Cloudflare DNS-over-HTTPS. Nothing is stored.

Résumé

Published as a zone file.

Hover any record to see what it means. Every claim matches my LinkedIn.

; gustavo.zone · Technical AE candidate

$ORIGIN gustavo.

Why Resend

Sales that feels like the product.

Why now, and three reasons, in plain words.

I want to be part of a product company. Consulting suited me because I love talking to people and understanding their problems. That's how I ended up leading teams, and then moving into pre-sales.

Every new customer brought something new, and that served me well for the last few years. Now I'm ready for depth: one product and its ecosystem to care about, in a role that's people first and still technical.

The product

Resend made email feel like modern software: an API you understand in a minute, React Email for templates, and an MCP server so agents can send too. I build developer tools myself, so I know how much work goes into making something feel that simple.

The handbook

"We treat every interaction as a reflection of the product." I've spent five years as the engineer on the buyer's side of the table. A sales team that's held to the same standard as the API is the one I want to be on.

The timing

Buyer Experience is a building role with no finished playbook. That's where I do my best work: start with a v0, write it down, measure it, and ship the next version.

First 90 days

A changelog I'd like to ship.

Learning first, then quota. Each experiment has a hypothesis and a number, and I'll write it all down.

  1. Weeks 1–4 · Experiment

    Speed-to-lead with a DNS brief

    If high-intent enterprise leads get a reply within one business hour that includes a custom deliverability brief for their domain, meeting rate goes up.

    metric: Meeting-booked rate, time to first reply

  2. Weeks 5–8 · Experiment

    Overages as a buying signal

    Customers who've paid overages for three or more months will move to a higher tier when they see that it's cheaper.

    metric: Upgrade rate, net revenue retention

  3. Weeks 9–12 · Experiment

    Deliverability-triggered outreach

    Domains that fail the Gmail, Yahoo and Microsoft sender rules convert better than lists built on company size alone.

    metric: Reply rate, qualified-pipeline rate (Clay plus the checker on this page)

Apply

Get the application in your inbox.

It's a React Email template sent through Resend. You can watch it go from sent to delivered to opened, and replies come straight to me.