Available for freelance work

Hi, I'm Eric Phan

Full-Stack Developer & Digital Transformation Consultant

Former founder & project manager turned developer. I build production SaaS platforms, government digital services, and AI-powered tools — leading digital transformation projects from strategy to deployment.

630+

API Routes

Live Projects

20K+

Users Served

50+

DB Tables

View My Work Live Demo

// Featured Projects

What I've Built

Production applications serving real users — from multi-tenant SaaS to government digital services.

SaaS Platform

ChoGiaKiem.vn

Multi-Tenant SaaS Marketplace Platform

Visit Site

A production multi-tenant marketplace powering POS, inventory management, accounting, e-invoicing, HR/payroll, and vendor storefronts — all with automatic subdomain routing and role-based access.

630+

API Routes

397

Components

50+

DB Tables

15+

App Modules

Multi-vendor marketplace with auto subdomain routing

Full POS system with barcode scanning & receipt printing

Real-time inventory tracking across warehouses

E-invoicing integration with Vietnamese tax authority

HR dashboard: payroll, attendance, leave management

Role-based access: Admin → Vendor → Shipper → Public

Next.js 15TypeScriptSupabaseTailwind CSSVercel

Government

XaGiaKiem.gov.vn

Government Commune Digital Portal

Visit Site

Official government website for Gia Kiem commune serving 20,000+ residents. Features 34+ public sections, an AI chatbot, digital transformation dashboard, and online public service requests.

34+

Public Sections

20K+

Residents Served

Admin Modules

AI chatbot for citizen Q&A on administrative procedures

Digital transformation dashboard with live data

Online public service requests (TTHC)

Election 2026 information portal

OCOP product showcase for local economy

Industrial zone investment portal

Next.jsSupabaseTailwind CSSCypressAI Chatbot

AI / Automation

VanBanPlus

AI-Powered Document Drafting Tool

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An intelligent administrative document generator that uses AI to draft official Vietnamese government documents. Includes PDF extraction with OCR and template-based generation.

AI-powered document drafting from templates

PDF text extraction with multiple OCR fallbacks

Vietnamese administrative document standards compliance

Template library for common government documents

Auth-protected workspace for document management

Next.jsAI/LLMPythonOCRPDF Processing

Business Tools

GiaKiemSo.com

Business Tools & AI Document Processing

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A suite of business tools featuring Google Document AI integration for OCR, Vietnamese ID card (CCCD) extraction, loan calculators, tax calculators, and VietQR payment generation.

AI Processors

100+ pages

Documentation

Google Document AI for structured data extraction

Vietnamese ID card (CCCD) auto-extraction

Multi-config document processors

Loan & tax calculators for businesses

VietQR payment code generation

Invoice management system

Next.jsGoogle Document AIVision OCRSupabaseVietQR

Healthcare

Clinic Management System

Healthcare Dashboard Platform

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A comprehensive medical clinic management platform covering patient registration, doctor queues, examination workflow, pharmacy dispensing, insurance processing, and revenue reporting.

Dashboard Modules

Workflow Steps

Patient registration & queue management

Doctor examination workflow with prescriptions

Pharmacy dispensing & inventory tracking

Insurance (BHYT) claim processing

Revenue analytics & reporting dashboard

Multi-role: Reception → Doctor → Pharmacy → Cashier

Next.jsSupabaseTypeScriptTailwind CSS

// Tech Stack

Technologies I Use

A modern, production-tested stack focused on performance, type safety, and developer experience.

🎨

Frontend

Next.js 15

React 19

TypeScript

Tailwind CSS v4

⚙️

Backend & Database

Supabase

PostgreSQL

Node.js

REST APIs

🚀

DevOps & Hosting

Vercel

Docker

GitHub

CI/CD

🔧

Tools & Integrations

Puppeteer

Google AI

Stripe/VietQR

SMTP/Email

// Services

How I Can Help

From greenfield builds to production optimization — I deliver end-to-end solutions.

SaaS Development

Multi-tenant platforms with auth, billing, dashboards, and API design from scratch.

Full-Stack Web Apps

End-to-end development with Next.js + Supabase — from DB schema to production deploy.

Government & Enterprise Portals

Public-facing portals with admin panels, AI chatbots, and digital transformation tools.

AI Integration

Document AI, OCR, LLM-powered tools, and automation integrated into your workflow.

Deployment & DevOps

Vercel, Docker, CI/CD pipelines, domain setup, SSL, and production hardening.

Performance & Security Audit

Lighthouse optimization, RLS policies, rate limiting, and penetration testing.

// Writing & Case Studies

How I Build Things

Deep dives into real projects — architecture decisions, technical challenges, and lessons learned.

Case Study

const build = () => {

Building a Multi-Tenant SaaS Platform from Scratch

How I architected ChoGiaKiem.vn — a marketplace serving multiple vendors with 630+ API routes, auto subdomain routing, POS, inventory, and e-invoicing — using Next.js, Supabase, and Vercel.

Mar 15, 20268 min read

Next.jsSupabaseMulti-TenantSaaS

Read Case Study

Case Study

const build = () => {

Digitizing Government Services: Building a Commune Portal for 20K+ Residents

How I built XaGiaKiem.gov.vn — a government digital portal with AI chatbot, online public services, and digital transformation dashboard — transforming how 20,000+ residents interact with local government.

Feb 20, 20266 min read

GovernmentAI ChatbotDigital TransformationNext.js

Read Case Study

// Get In Touch

Let's Build Something Great

Have a project in mind? I'm available for freelance work and always excited to discuss new opportunities.

Email

ericphan28@gmail.com

Chat with me

Response Time

Usually within 2-4 hours (UTC+7)