Available for work

Architecting
the Fullstack.

Focused on building performant, scalable systems with clean architecture. From pixel-perfect interfaces to resilient APIs.

terminal
Career

Experience

Senior Front-End Developer

AETO
Feb 2025 – Present

Led the architectural definition for the company's largest system using Vue.js, TypeScript, and Nuxt.js, reducing system load time from 5 seconds to under 500ms. Championed Docker adoption for 50% faster environment setup and led Unit/E2E testing strategies, cutting critical production bugs by 45%. Built a full-stack reporting solution (NestJS/pdfmake) that reduced report generation time by 67%. Developed a vehicle inspection app with Expo/React Native that decreased inspection time by 30% and improved deployment speed via Expo OTA updates and Sentry integration.

Vue.jsNuxt.jsTypeScriptNestJSReact NativeExpoDockerTurborepo

Front-End Developer

AETO
Jun 2022 – Feb 2025

Designed and delivered a React Native MVP (camera, Bluetooth, mapping) within a 2-month deadline, reducing operator task completion time by 25% and serving 150+ active users. Developed multiple web applications with React, Next.js, and Google Maps using MUI. Established visual consistency with a CSS-variable design system and defined a GitHub Workflow strategy that reduced merge conflicts by over 80%.

ReactNext.jsReact NativeGoogle MapsMUIGitVercel

Javascript Developer

AETO
Feb 2021 – Jun 2022

Advanced from Trainee to Developer within 6 months, mastering front-end development with vanilla HTML, CSS, and JavaScript. Designed a library of 12 reusable vanilla JS components that increased feature development efficiency by an estimated 25% across 4 projects.

JavaScriptHTMLCSS
Technologies

The Stack

Tools and technologies I use to build reliable, scalable systems.

Frontend

React
React Native
Next.js
Vue
Nuxt
TypeScript
Tailwind
Shadcn

Backend

NestJS
Node.js
Python
Postgres
MongoDB
Redis

Tools & DevOps

Git
Docker
AWS
Vercel
Railway
GitHub CI/CD
Turborepo
Vitest
Storybook
Selected Work

Projects

A selection of engineering projects focused on performance, reliability, and developer experience.

En todos aplico:CI/CD con GitHub ActionsTesting automatizadoIA y agentes en el flujo de desarrollo
Captura de pantalla de JobTracker

JobTracker

El proyecto más grande hasta ahora

App de búsqueda de empleo que combina web scraping con inteligencia artificial. Un scraper en Python/FastAPI (Jobspy) recolecta vacantes, y un motor de IA (Gemini) califica qué tan bien encaja cada oferta con el perfil del usuario. Soporta múltiples perfiles de búsqueda por usuario, cada uno con su propio scoring.

pnpm WorkspacesNestJSTypeORMNeon (Postgres)PythonFastAPINuxt 4JWT / PassportGemini
Sin demo ni repositorio público por ahora
Captura de pantalla de Codetaria

Codetaria

Plataforma para aprender programación y SQL con mecánicas de videojuego (puntos, retos, recompensas). Incluye editor de código interactivo y ejecución real de SQL en el navegador vía SQLite/WASM.

Next.jsHeroUISupabaseSQLite/WASMPWA
Captura de pantalla de Subscription Manager

Subscription Manager

Administra suscripciones a servicios digitales, ya sea de forma individual o compartida con familiares/grupos.

Next.jsshadcn/uiNestJSNeonFly.io
Sitiodemo@valen.com / 1234567890
Captura de pantalla de Cotizador para negocios pequeños

Cotizador para negocios pequeños

Herramienta para registrar productos y servicios y generar cotizaciones profesionales listas para imprimir, pensada para pequeños negocios.

Nuxt 3DrizzleSupabaseNeon
Sin demo ni repositorio aún