Hi, I'm RainyinSaiGon

Year 3 IT student at VNUHCM – University of Science and Software Engineer Intern at i-stech, building full-stack platforms and cloud data pipelines.

This is where I share my projects and thoughts on backend engineering, cloud infrastructure, and databases.

My blog My projects
rainyinsaigon@vnu-hcm:~

Recent works

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HomeStay Dorm
HomeStay Dorm
A dormitory and homestay management system built with TypeScript, Next.js, Supabase, and VietQR. Features 15+ UML diagrams, real-time WebSocket payment sync, and automated banking transactions via the VietQR API.
Code Demo
Hospital Data Security System
A secure hospital database built on Oracle with Role-Based Access Control (RBAC) across 10+ user roles and Oracle Label Security (OLS) for strict patient data compartmentalization. Technologies: Oracle Database, .NET, Oracle Label Security.
Code
PEP Project Management Platform
Full-stack project management platform built with FastAPI, Next.js, Supabase, and Stripe. Features automated billing lifecycle, bidirectional Stripe event sync, and complex refund logic — saving an estimated 10 hours of manual work per week.

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