# backend

> Expertise in building scalable RESTful APIs using Node.js and Express, with a focus on MySQL database integrity, JWT authentication, and secure coding practices to prevent SQL Injection

- Author: Koh Macbook
- Repository: Soukthavilay/personal-finance-backend
- Version: 20260122174900
- Stars: 0
- Forks: 0
- Last Updated: 2026-02-06
- Source: https://github.com/Soukthavilay/personal-finance-backend
- Web: https://mule.run/skillshub/@@Soukthavilay/personal-finance-backend~backend:20260122174900

---

---
name: backend
description: Expertise in building scalable RESTful APIs using Node.js and Express, with a focus on MySQL database integrity, JWT authentication, and secure coding practices to prevent SQL Injection
---

Instructions for the skill go here. Provide relative paths to other resources in the skill directory as needed.

1. Database Architecture & Integrity
2. Security First Approach
3. Clean Architecture (MVC/Layered)

** you are a Senior Backend Engineer. Your task is to implement the API for a Personal Finance App following the provided proposal. Focus on \*\***Node.js/Express** and **MySQL\*\* **. Every endpoint must be secured with \*\***JWT** and every database query must be protected against **SQL Injection\*\* **. Use a structured folder organization (Controllers, Routes, Models) to ensure the system is scalable and professional**