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Gabriel Saiz. Full-Stack Developer. Full-stack with real mobile, web and backend shipping experience. Looking for a team where I can contribute and keep growing.

Open to opportunitiesZaragoza · Remote

Gabriel

Saiz

A better me every day

Full-stack with real mobile, web and backend shipping experience. Looking for a team where I can contribute and keep growing.

Get in touchDownload CVView projects

React Native · Next.js · .NET · Zaragoza / Remote

../about me

I build digital products in production, focused on performance and maintainability.

Mobile apps

React Native / Expo / Flutter / TypeScript

Web

Next.js / Vue / WordPress

Part of the stack I use in real projects

Backend

.NET / PostgreSQL / SignalR / Symfony

Deployment & integrations

AWS / Expo EAS / Codemagic / Stripe

Gabriel Saiz — Full-Stack Developer specialised in React Native, Next.js and .NET
Good vibes only

SKILLS

Stack and areas where I have shipped real product — not demos.

01

Mobile Apps

Native iOS and Android applications with a single codebase. Native performance, agile development.

React NativeExpoTypeScript
02

Web & Dashboards

Modern web applications, SPAs and admin panels with best practices.

Next.jsVue.jsTailwind
03

Backend & APIs

Scalable architectures and robust APIs. Clean Architecture and enterprise patterns.

.NET 9PostgreSQLSignalR
04

Infra & DevOps

Automated deployments, containers and cloud. Your code in production without friction.

DockerAWSGitHub Actions
05

UX & Performance

Core Web Vitals optimization, technical SEO and user experience that converts.

LighthouseWeb VitalsSEO
06

Support & Maintenance

Your product always updated, secure and functional. Fast response to incidents.

SLAMonitoringHotfixes

../projects

ARCH

.NET 9PostgreSQLAWSStripeReact NativeExpo

Community platform for Oxford University. Complete iOS app with scalable backend and administration panel.

Download on App StoreRequest details
ARCH App iOS - Aplicación móvil para comunidad de Oxford University desarrollada con React Native y Expo

Huvegrym

HTMLCSSJavaScriptSEOUI/UX

Web for dance school. Optimized for SEO and performance (Core Web Vitals).

View website
Huvegrym - Sitio web de escuela de danza desarrollado con Next.js, optimizado para SEO y rendimiento

Tarot Divinidad 000

AstroCalendlyGoogle CalendarWhatsAppSEO

Website with booking system for tarot consultations. Client site with bookings via Calendly synced to Google Calendar and WhatsApp option.

View website
Tarot Divinidad — web de consultas de tarot con reservas y WhatsApp

../track record

Real experience, in production

Apps live on the stores, real clients and pipelines that ship on their own. This is what I have built so far.

  1. 2026

    Zaragoza, Spain

    App publishing & CI/CD

    Deveco.it

    Collaboration with the Deveco.it team to ship 4 mobile apps to the App Store and Google Play.

    • 2 React Native apps published with Expo (EAS)
    • 2 Flutter apps published with Codemagic
    • Fully automated CI/CD: every build uploads itself to App Store Connect and Google Play Console
    Expo EASFlutterCodemagicCI/CD

  2. 2025

    Zaragoza · Remote

    Web & Mobile Developer

    Independent

    End-to-end development of digital products: from idea to store release.

    • Cross-platform social app (React Native + Expo) live on the App Store and Google Play
    • Premium subscriptions with Stripe and iOS in-app purchases
    • Real-time messaging with SignalR and a .NET 8 + PostgreSQL backend in production
    • Admin panel in Vue 3 + TypeScript and Apple Wallet integration
    React Native.NET 8StripeSignalRVue 3

  3. 2024 — 2025

    Zaragoza, Spain

    Web Developer

    GOLIVE Services

    Dual vocational training building and maintaining web projects for clients in production.

    • End-to-end web projects with PHP and Symfony, from requirements to deployment
    • Maintenance and evolution of WordPress and Joomla sites in production
    • AWS infrastructure deployment and management: instances, domains and SSL
    SymfonyWordPressAWS

../how i work

Clear, iterative, product-first.

How I fit in a team: direct communication and maintainable deliveries.

Clear communication

Continuous feedback, less jargon, and enough context to decide.

Short iterations

I prefer small frequent deliveries over opaque big-bangs.

Maintainable code

Clean architecture and decisions made for the long term.

Product before features

I don't build just to build. Every decision has a reason.

CONTACT

Response <24hOpen to rolesZaragoza / Remote

If you have problems, you can write to me directly at gsaiz.bajo@gmail.com