fullstack
I build complete web and mobile applications, from database to UI.
<api>
I design backend systems, APIs and AI pipelines that hold up in production.
Hi, I'm Harold Rhey Pisos.
Full-stack software engineer based in the Philippines, working remotely with teams worldwide. I build web and mobile apps, the APIs behind them, and the AI features inside them — from healthcare tools to recruitment platforms and SaaS.
- 5+
- years shipping production software
- 6
- teams across the US, Australia, Canada and PH
- 5
- LLM providers in one scan pipeline
- 700+
- commits as lead contributor on XRAYAI
Selected work
Things I've built recently
XRAYAI
AI-powered website-diagnostics SaaS that turns a scan into plain-English health scores, AI-visibility metrics and revenue-impact reports.
24x7 Careers
Global recruitment platform — web app plus iOS and Android apps — with AI candidate matching and real-time recruiter messaging.
Resibo
BIR tax and invoicing tool for Filipino online sellers, freelancers and creators. My own product, live.
Ayla AI
AI-powered healthcare automation tools used by healthcare professionals, built on FastAPI.
Client workVisit Assist
Records medical visits, then transcribes and summarizes the conversation for providers and patients.
Client workVeent
Event ticketing and registration platform with seat reservations, payments and attendee accounts.
Where I've worked
Proact Resources (24x7 Careers)
Fullstack Developer · USA · Remote
Aug 2025 – Present
Ascarma — XRAYAI
Senior Full-stack Engineer (Contract) · Australia · Remote
Mar 2026 – Jul 2026
AylaAI
Fullstack Developer · New York · Remote
Oct 2023 – Dec 2025
Veent.com
Fullstack Developer (Internship) · Cagayan de Oro, PH
Feb 2025 – Apr 2025
AFGpool
Fullstack Developer · Canada · Remote
Sep 2022 – Jun 2023
Pianogod.com
Fullstack Developer · New York · Remote
Mar 2020 – Aug 2022