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gauranshahuja/README.md

Typing SVG

LinkedIn LeetCode Portfolio Email


๐Ÿ‘จโ€๐Ÿ’ป About me

const gauransh = {
  role: "Full-Stack Developer @ Nova Web Innovations",
  stack: ["React", "Node.js", "Express", "MongoDB", "Firebase"],
  cloud: ["Google Cloud Run", "Docker", "GitHub Actions"],
  ai: ["Google Gemini", "OpenAI", "Vosk (offline)"],
  builds: ["multi-tenant SaaS", "AI cataloging pipelines",
           "inventory systems", "offline voice AI"],
  education: "BCA โœ“  ยท  MCA โ€” AI/ML (in progress)",
  location: "Haridwar, India ๐Ÿ‡ฎ๐Ÿ‡ณ",
};

Iโ€™m a full-stack (MERN) developer who builds and ships real, deployed products. My repos arenโ€™t demos โ€” theyโ€™re live systems people use:

  • ๐Ÿงฉ Multi-tenant SaaS with server-side RBAC, JWT + social login and real-time collaboration
  • ๐Ÿค– AI-powered pipelines that scrape products and auto-generate SEO catalogs (Gemini / OpenAI)
  • ๐Ÿ“ฆ Multi-warehouse inventory with batch/expiry control, barcode scanning and 3D visualization
  • ๐ŸŽ™๏ธ A fully offline voice assistant (English + Hindi) with biometric auth and a sci-fi HUD

I care about clean REST APIs, solid auth & role-based access control, and code that actually makes it to production โ€” on Google Cloud Run and Firebase.


๐Ÿ› ๏ธ Tech Stack

JavaScript Python C++ SQL
React Vite Tailwind CSS Three.js
Node.js Express JWT
MongoDB SQLite Firebase
Google Cloud Docker GitHub Actions Gemini OpenAI


๐Ÿš€ Featured Projects

๐Ÿข ProjectHub

Multi-Tenant Project Management SaaS

Each company gets an isolated workspace with invite-based onboarding via role-scoped, expiring invite links. Four-tier RBAC (Owner / Admin / Manager / Member) enforced server-side on every route. Email/password (bcrypt + JWT) plus Google & GitHub social login with cross-provider account linking. Hardened with Helmet, rate-limited auth, and a centralized error handler.

React Node Express MongoDB JWT Firebase

๐ŸŒ Live Demo ยท ๐Ÿ“ฆ Repo

๐Ÿ›๏ธ Shopify Listing AI

AI-Powered Shopify Listing Generator

Scrapes Shopify and Amazon product data and outputs ready-to-import CSVs, enriching each product with Gemini-generated SEO copy, image alt text, and taxonomy-validated categories. Includes a human review-gate, full run history, browser scraper extensions, and admin-invite-only auth. Deployed on Google Cloud Run.

Node Express SQLite Gemini Cloud Run

๐Ÿ“ฆ Repo

๐Ÿ“ฆ StockFlow

Multi-Warehouse Inventory & Order Control

A web-based inventory + order-processing system with batch/expiry control, FEFO dispatch, barcode + GS1 2D scanning with OCR, warehouse transfers, returns, analytics, and live Google Sheets sync. Role- and location-scoped Firestore security rules. Includes 3D warehouse visualizations with Three.js.

React Firebase Firestore Three.js ZXing

๐Ÿ“ฆ Repo

๐Ÿค– Jarvis

Offline Voice Assistant (English + Hindi)

A desktop voice assistant with fully offline speech recognition (Vosk) in both English and Hindi โ€” 24 voice skills, optional AI conversation, face/voice biometric auth, hand & eye tracking, Doctor-Strange-style gesture magic, and a sci-fi holographic HUD.

Python Vosk OpenCV

๐Ÿ“ฆ Repo

โšก ScraperPro

Live Web-Scraping SaaS (Backend)

The Node.js + Express backend behind a live, monetized SaaS โ€” Razorpay payments (orders, verification, webhooks), a scrape-job pipeline, OpenAI-powered listing generation with a credit system, an AI Listing Agent, and a server-verified owner admin API. Deployed on Google Cloud Run.

Node Express Razorpay OpenAI Cloud Run

๐Ÿ“ฆ Repo ยท ๐ŸŒ Live

๐Ÿง  LeetCode

Data Structures & Algorithms

Sharpening problem-solving daily โ€” my solutions in C / C++ / Python, organized by topic and growing.

C C++ Python DSA

๐Ÿ“ฆ Repo ยท ๐Ÿ”— Profile

๐Ÿ”ญ More projects in active development โ€” this list keeps growing.


๐Ÿ“Š GitHub Stats

Gauransh's GitHub stats

Top Languages

GitHub Streak

๐Ÿง  LeetCode

LeetCode Stats


โšก Recent Activity

๐Ÿš€ Actively shipping โ€” see the pinned projects above and my public repositories.


๐Ÿ’ฌ Letโ€™s connect

Iโ€™m open to full-stack / software engineering opportunities. Building things that ship.

โญ Thanks for visiting โ€” feel free to explore my repos!

Pinned Loading

  1. stockflow stockflow Public

    Multi-warehouse inventory & order-processing system โ€” batch/expiry control, FEFO dispatch, barcode + GS1 scanning, transfers, returns & analytics. React 18, Firestore, Three.js.

    JavaScript 2

  2. leetcode-s_solutions leetcode-s_solutions Public

    My LeetCode solutions โ€” data structures & algorithms practice.

    C++ 2

  3. jarvis jarvis Public

    Offline voice assistant (English + Hindi) built with Python & Vosk โ€” 24 skills, AI conversation, biometric auth, sci-fi HUD. Fully offline, no cloud.

    Python 2

  4. shopify-listing-ai shopify-listing-ai Public

    AI-powered Shopify listing generator โ€” scrape products, auto-write SEO copy with Google Gemini, validate against Shopify taxonomy, and export an import-ready CSV. Node.js, Cloud Run, React.

    JavaScript 2