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ritzzh/README.md

Hi, I'm Ritesh Singh 👋

Full Stack Developer · MERN & MEAN Stack · TypeScript

I build production-ready full-stack web applications, from database schema design and API architecture to polished, responsive frontend interfaces. Currently focused on Angular, React, Node.js, and cloud-connected systems with real-time capabilities.


Portfolio LinkedIn Email


🛠 Tech Stack

Languages

JavaScript TypeScript HTML5 CSS3

Frontend

React Angular Redux Tailwind CSS

Backend

Node.js Express NestJS

Databases

MongoDB PostgreSQL SQLite

Tools & Platforms

Git Docker AWS Postman


🚀 Featured Project

🧾 Invoicer — Medical & Business Invoice System

React TypeScript Node.js Express SQLite Nodemailer

A self-hosted invoicing platform built for pharmacies and small businesses, covering the full billing workflow from inventory to printed invoices.

Feature Details
🖨️ Print Templates 4 templates (Modern, Classic, Minimal, Medical) — compact enough to fit 20 line items on a single A4 page, including mobile print
💊 DL Compliance Drug License numbers stored in user profile and auto-stamped on every invoice
📅 Flexible Expiry Supports both full date and Month/Year-only selection modes
🔁 Duplicate Guard Detects duplicate products in the invoice editor and prompts to increase quantity instead
✉️ Email Delivery Sends invoices via Gmail App Password (Nodemailer), with a mailto: fallback
🛡️ Admin Panel View all users, invoice counts, last activity, and toggle admin status
⚙️ Per-User Settings Company profile, DL numbers, doctor name autofill, email configuration


📫 Let's connect — always open to interesting full-stack, real-time, or cloud-native projects.

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    A place for book readers to search their favourite books, join chat rooms and chat with fellow readers. This MERN stack app uses socket.io to create bi-directional data channel between frontend and…

    JavaScript 1