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rkoalsi/README.md

Hi, I'm Rohan 👋

Full Stack Developer | Building systems that scale

PortfolioLinkedIn


About Me

Full stack developer with 4+ years building production systems that solve real business problems. I specialize in business automation, inventory systems, and workflow integrations—transforming complex operations into elegant, scalable software.

Currently: Available for new projects

What I've Built

  • 🏗️ Government Metro Ticketing Platform — Billeasy | Served 50,000–100,000 daily users across 4 cities
  • 🛒 Complete Business Operating System — Pupscribe | Powers sales, inventory, and team operations end-to-end
  • 📊 Multi-channel Analytics Dashboard — Pulls live data from 4+ sales channels into unified procurement intelligence

Key Impact

80% Processing time cut through automation
75% Operations cost reduction
100k+ Daily active users supported

Tech Stack

Frontend — React, Next.js, TypeScript, Tailwind CSS, Framer Motion, React Native

Backend — Node.js, Express, Python, FastAPI, REST APIs

Database — MongoDB, PostgreSQL, MySQL, Redis

Cloud & DevOps — AWS (EC2, S3), Vercel, Docker, GitHub Actions, CI/CD

Integrations — Zoho APIs, Zoho CRM, Zoho Inventory, Amazon SP-API, WhatsApp Business API, Blinkit API

Data & Analytics — Pandas, NumPy, Chart.js, Recharts, Excel exports, Data modelling


Featured Projects

Automated Order Form System

A real-time order management platform synced with Zoho inventory. Features a 22-module admin panel running the entire business operation—from HR to analytics and multi-channel marketing.

Impact: 80% processing time cut | 55% faster payments

Purchase Tracker

Multi-channel analytics platform pulling live data from Amazon Vendor Central, Amazon Seller, Blinkit, and Zoho into a unified dashboard for data-driven inventory decisions.

Coverage: 4 sales channels | Auto-reorder intelligence

Pupscribe & Barkbutler

Lead generation and content marketing sites with integrated CMS, SEO optimization, and automated job syncing from the admin panel.

Explore more on my portfolio →


My Approach

Full Stack Ownership — End-to-end delivery from data models to deployment

Automation-First — Eliminate manual workflows at the root with APIs and intelligent systems

Systems Thinking — Scale-ready architecture (handled PostgreSQL → MongoDB migration serving 100k+ daily users)


What I Can Help With

  • Internal tools & business automation
  • Zoho / CRM integrations
  • Inventory & order management systems
  • Data dashboards & reporting
  • Full stack web applications

Education

🏫 B.Sc. Information Technology — Mumbai University


Let's build something that scales

Looking to change the world one PR at a time.

Get in touch | View my work

Pinned Loading

  1. React-Card React-Card Public

    A Simple Card Package for React made in TypeScript

    TypeScript

  2. Posenet Posenet Public

    Building pose detection using ML and python posenet and tensorflow.

    Python

  3. Todo-Electron Todo-Electron Public

    A Todo Electron Desktop App

    JavaScript

  4. Vue-Weather Vue-Weather Public

    A Weather App built with Vue

    Vue

  5. crypto-dashboard crypto-dashboard Public

    A Dashboard built with chakra ui and Coin Gecko api client

    TypeScript

  6. Employee-Invoice Employee-Invoice Public

    An application that allows employees, admins to create and share invoices

    TypeScript 1