Available for opportunities

Building the logicbehind the visual.

// Full Stack Engineer

Full Stack Engineer crafting real-time systems, AI-powered tools, and pixel-perfect UIs. From WhatsApp CRM to visual chatbot builders — I ship products that scale.

prayag@dev_

01. Journey

Experience & Education

From university labs to production systems serving thousands of users.

2019 — 2023

B.E. Computer Engineering

Gujarat Technological University·Ahmedabad, India

Graduated with focus on software engineering
Final year project: Real-time cryptocurrency market tracker with live watchlist

JavaScriptReactNext.jsNode.jsMongoDBTailwindCSS

2023 — PresentCurrent

Full Stack Engineer

Hellofy LLC·Ahmedabad, India

Architected a scalable WhatsApp CRM featuring a multi-agent inbox and automated broadcast systems.
Engineered a real-time messaging layer with Socket.io, handling 10k+ concurrent WebSocket connections.
Developed a visual automation engine using a trigger-condition-action model for complex message workflows.
Integrated multi-channel communication via WhatsApp Business AP

ReactNode.jsSocket.ioMongoDBWhatsApp APITypeScriptRedux Toolkit

02. Projects

Things I've Built

Real products, real users. From AI libraries to enterprise CRMs.

WhatsApp CRM

Enterprise Messaging & Automation Platform

A full-scale SaaS CRM built at Hellofy LLC. Handles thousands of concurrent users with a visual chatbot flow builder, WhatsApp template management, role-based access, and a trigger-condition-action automation engine — all synced in real time.

Broadcasting & campaign managerWhatsApp template builderAutomated response engineVisual chatbot flow builderAPI calls inside chatbot flowsRole-based access controlTicket & conversation managementUser & role managementReal-time multi-agent inbox

Socket.ioNode.jsMongoDBReactRedux ToolkitWhatsApp APITypeScript

Voca

AI-Powered PDF & Voice Intelligence

An intelligent library where you can chat with your PDFs or interact via real-time voice—powered by a custom RAG pipeline and Vapi AI integration.

Next.jsMongoDBVapi AIOpenAIVercel BlobClerk

Visual Chatbot Builder

Drag-and-Drop Flow Editor

A node-based visual editor for building complex chatbot conversation flows. Powered by React Flow for the canvas and @dnd-kit for state management.

React Flow@dnd-kitReactTypeScriptZustand

03. Tech Stack

Tools of the Trade

A curated set of technologies I reach for to build fast, scalable, and maintainable systems.

React

Frontend

Next.js

Framework

TypeScript

Language

Node.js

Backend

Socket.io

Real-time

MongoDB

Database

Redux Toolkit

State

Tailwind

CSS

04. Terminal

Ask Me Anything

An interactive terminal — type a command or explore with help.

terminal — prayag@dev

prayag@dev:~$

click anywhere to focus

05. Contact

Let's Build Something

Have a project in mind? Whether it's a real-time system, an AI product, or a complex UI — I'd love to hear about it.

sonagraprayag2@gmail.com

GitHub

github.com/prayagsonagra

linkedin.com/in/prayagsonagra

Location

Ahmedabad, India

Available Now

Open to full-time roles, freelance contracts, and interesting collaborations. Response within 24h.