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Fullstack Web Developer · AI Agents & Technical SEO

Hector Romero

I've spent more than 7 years writing software with teams in Mexico and the United States. I build fast, bilingual websites and AI-agent workflows that I test on my own projects first.

Hector Romero, web developer

Latest writing

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Web performance, technical SEO, and building with AI agents, tested on real projects.

How to Buy an AI Sales System Without Getting Burned
EN

How to Buy an AI Sales System Without Getting Burned

Demos are the vendor's best case; what you're buying is the Tuesday-afternoon case. This final post is the checklist for seeing it before you pay: five contract-level questions, the red flags, a fair pilot design — and, since I sell these systems, the scenario where the honest answer is don't buy from me.

Speed to Lead: The Sales Metric AI Actually Fixes
EN

Speed to Lead: The Sales Metric AI Actually Fixes

You can't verify most AI sales claims without buying first. Speed to lead is the exception: how long a new lead waits for a real answer is a number, and you can measure yours this week with a stopwatch. I build these systems for a living, and this is the one part of my pitch you don't have to take on trust.

What an AI Receptionist Actually Does All Day (and Where It Breaks)
EN

What an AI Receptionist Actually Does All Day (and Where It Breaks)

Vendors sell the term 'AI receptionist' on warmth. Here's the shift log instead: what one actually handles in a day for a clinic or a contractor, what a good handoff to a human looks like, and the four places where it breaks. I build these systems, so the failure modes come first.

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Selected work

A selection of things I have built and shipped, from client sites to a Rust marketplace.

Marketplace.city

A local-services marketplace with a Rust backend (sqlx + PostgreSQL) and a web frontend. In active development.
Rust · PostgreSQL · TypeScript

Agency site + AI concierge

My web-dev agency site, being rebuilt on Astro 6 and Tailwind v4 with an AI concierge that answers visitor questions.
Astro 6 · Tailwind v4 · TypeScript · AI

SEO Dojo

A tool for learning SEO through instrumented daily practice on a live site: scoreboard, streaks, and real case studies.
JavaScript · SEO

heroweb.dev

This very site: a bilingual developer blog built with Astro, plus a showcase of the AI tooling I use to code.
Astro · Tailwind · TypeScript

Mind Games

An interactive web platform of brain-training games, built with Astro, Tailwind, and TypeScript.
Astro · Tailwind · TypeScript

Ubuntu Cycling Camp

Brand, prototype and landing page for a spinning gym's cycling camp, with automatic deploys.
Landing · Branding · Vercel

Now

Engineering

Software engineer at a California company.

The agency

My own agency: fast, bilingual sites with AI built in.

Beyond the code

Talks about AI agents. And the bike.

Let's create your next project together

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