Hi there 👋 I'm Ân (ph4n4n)

Backend Developer & Database Enthusiast who enjoys building developer-first tools with clean architecture and reliable logic.

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🚀 Spotlight Project

🛠️ The Andb

"Git for Database Schemas" — Database Migrations, Reimagined. A powerful, open-source ecosystem (Core, CLI, GUI) built to restore trust and visibility in your database migrations. Experience the most intuitive way to visualize, compare, and sync schemas.

• andb-core: Universal engine for atomic DDL comparison & migration generation.
• andb-ui: Premium macOS desktop app with Master Password protection and real-time visualization.
• Tech: TypeScript, Node.js, SQLite, MySQL, PostgreSQL.

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🛠️ Tech Stack

• Backend: Node.js, NestJS, Express, Worker Threads
• Databases: MySQL, PostgreSQL, SQLite (local metadata)
• DevOps: Docker, CI/CD, Shell Scripting

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📌 Featured Projects

⚡ ZTools.site

Your Digital Toolbox, Simplified.
A privacy-first, 100% client-side collection of 28+ essential utilities. Optimized for speed with a 99+ Lighthouse score.

🧮 vietnam-pit

Vietnam Personal Income Tax Calculator
Parallel comparison between 2025 and 2026 tax laws, supporting region-based minimum wages and year-end tax refunds.

📑 andb-logger

Minimalist Logger for TS/Node.js
Clean, color-coded, and structured logging optimized for CLI tools and backend services.

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📊 GitHub Stats

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📫 Contact Me