Websites that are fast,
secure and that sell.
I'm MT3K — a full stack developer in Puerto Rico with a master's in IT focused on information security and an MBA in digital marketing. I don't just build your site: I secure it and design it to convert.
What I do
I build
Modern full stack: Vue, Laravel, Astro. Fast, custom sites and apps.
I secure
Master's in information security + networking. Your site protected from day one.
I convert
MBA in digital marketing. Built to rank on Google and sell.
What I can do for your business
Websites
Fast, responsive, SEO-optimized landing pages and corporate sites.
Online stores
Full e-commerce with catalog, cart, payments and admin panel.
Web apps & platforms
Custom applications with Vue and Laravel to automate your operations.
Mobile apps
Native apps published on the App Store and Google Play, from idea to store.
Security & networking
Auditing, hardening and security best practices for your project.
SEO & marketing
Google optimization and digital strategy so your site brings in clients.
Live work

SAENGÉ
Korean skincare store: PDRN serums and collagen creams, shipping to the US and Puerto Rico.

Zuly Fashion
Full online store with catalog, cart and admin panel.

BeKlassic
Boutique site with catalog and a polished brand experience.

BestBuds
Operations and management platform for a dispensary, in production.

Schedule
Fast, responsive weekly scheduling system for teams.

Bestco Scratch
Instant scratch-and-win promo — play for cash and prizes.

El Tranque PR
App published on the App Store and Google Play.

Impostor Boricua
Social game published on the App Store and Google Play.

MT3K Mac Tools
Native macOS utility to set up your Mac: install curated apps and CLIs, manage Homebrew, voice dictation and security hardening — all in one clean interface.

BeKlassic App
Boutique app, built and under Apple review.
I'm absolutely thrilled with the store — it turned out beautiful and we're selling a lot.
Technical, strategic and full stack
I combine full stack development with a solid foundation in cybersecurity and networking, plus business sense from my MBA in digital marketing. That means your project not only looks good: it is fast, secure and built to grow.
I work with local clients in Puerto Rico and remotely. I also teach development and artificial intelligence on my YouTube channel.
Education
I teach dev & AI
Development, artificial intelligence and tech tutorials on my channel.
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Got a project in mind?
Tell me what you need and I reply within 24 hours.