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Full-Stack React Native Developer | Expo · Firebase · Supabase · Laravel
I build and ship mobile apps that work in the real world — not just in demos.
I'm a full-stack developer specializing in React Native and Expo, with hands-on experience delivering production systems used by real users at scale. From a real-time geospatial mobile app to a QR attendance system handling 1,600+ concurrent students, I've built things that had to work — and they did.
Currently leading mobile development at Riverside Medical Center, where I architected a patient onboarding app integrated with legacy hospital databases, built secure OTP and QR authentication flows, and developed RESTful APIs from the ground up.
What I bring to your project:
React Native + Expo (EAS Build, cross-platform iOS & Android)
Firebase & Supabase (Auth, Firestore, real-time data)
TypeScript, Laravel, REST APIs, Google APIs, GIS
AI-native workflow — I use Claude Code and Cursor daily to ship faster and cleaner
Clean code, clear communication, and daily progress updates — no ghosting, no excuses
I don't take on work I can't deliver. If I'm on your project, I'm accountable for it.
Notable wins:
Champion — DOST Brains & Breakthroughs Pitching Competition 2025
National Finalist — AFP Ideathon 2025
Dean's Lister, BS Information Technology (GWA: 94)
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julesalfonzpecaoco.site
