Resume
Ryan Vince Castillo
Also known as Ryan Castillo · Davao City, Philippines
Full-stack & AI developer helping business owners ship software that saves time and money.
Summary
Full-stack developer based in Davao City, Philippines. I build web apps, mobile apps, backend systems, and AI-assisted workflows for business owners — from local delivery platforms to multi-tenant SaaS. I work directly with clients end to end: design, build, deploy, and maintain.
Current role
Jairosoft Inc.
2021 — PresentSoftware Developer / Line Manager
Enterprise full-stack development for client deployments. Currently on Stevenson Systems — building and maintaining TruSpace and related commercial property / space-accounting applications (Next.js, .NET, Azure, SQL Server).
Selected work
Products and client builds outside my day job. View portfolio →
RYNXPLAY
PresentFull-stack engineer
Multi-tenant SaaS for PisoNet and device rental shops — web console, Windows/Android agents, realtime device control, and branch-level reporting.
Visit siteSUGOLA
2021 — PresentFull-stack engineer
Local delivery and errands platform for Sto. Tomas, Davao del Norte — web booking, rider dispatch, and mobile apps serving 3K+ customers.
Visit siteADe Garage
2025 — PresentFull-stack engineer
Multi-channel brand hub for a motorcycle parts shop in Tagum City — product catalog, Shopee/TikTok/Messenger ordering, and Shopify-ready architecture.
Visit siteIndependent / client work
OngoingFull-stack developer
Websites, mobile apps, and internal tools for business owners — including Reynalyn Grace, automations, and AI-assisted workflows.
View all work
Background
Earlier roles include Marsman Drysdale Agribusiness Group and Southwood Mindanao Corporation. Full employment history and technical detail are in my downloadable CV.
Highlights
TruSpace platform development
2024Full-stack work on Stevenson Systems' TruSpace refresh — property management, space accounting, and internal reporting (Next.js, .NET, Azure).
Shipped RYNXPLAY to production
2024Live multi-platform SaaS with NestJS API, Next.js console, Windows and Android agents, and realtime device management.
Shipped SUGOLA platform
2021Built and maintained a neighborhood delivery platform in Sto. Tomas, serving 3K+ customers since 2021.
Launched ADe Garage brand hub
2025Client site for a Tagum City motorcycle parts shop — catalog, marketplace channel links, and logo-aligned brand experience.
End-to-end product delivery
Designed, built, and deployed client websites and mobile apps across Flutter, Next.js, and .NET.
Education
University of Southeastern Philippines
Bachelor of Science in Information Technology
2014 — 2018
Skills
Core stack for client work. See the PDF for the full technical list.
- TypeScript
- React
- Next.js
- Node.js
- .NET
- PostgreSQL
- AI-assisted development
- LLM / agent integrations
- Cursor / Claude Code / Codex
- Flutter
- Docker
- Azure
- Vercel