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Kunal Brahma

@kunalbrahma

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Full-stack developer and AI engineer at Sitemaker Lab who built PostPilot, an AI workspace for business messaging.

India

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At Sitemaker Lab, I built PostPilot from the ground up: an AI workspace that automates Instagram, WhatsApp, and Google Business Profile. I developed its WhatsApp AI commerce agent, auto-reply engine, and multi-tenant backend.

I navigated Meta's App Review and Tech Provider verification, along with Google's Business Profile API approval process. My work at Sitemaker Lab also spans marketplaces, ERP platforms, and CRM and billing systems.

Previously, at India Web Designs, I built a car rental web application and the backend for an astrology consultation application. I also published three React Native apps to the Apple App Store and Google Play Store.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer & AI Engineer

Current

Sitemaker Lab

Aug 2024 - Present (2 years 2 months)

Design and build full-stack web platforms, SaaS products, and AI-powered automation systems, including multi-tenant marketplaces, ERP platforms, and AI agents using RAG for context-aware customer interactions. Built PostPilot, an AI workspace automating Instagram, WhatsApp, and Google Business Profile, from the ground up, and delivered 50+ projects.

TypeScript Next.js React NodeJS Prisma ORM PostgreSQL Pgvector Redis BullMQ Docker Nginx CI CD RAG LLM APIs OpenAI API Gemini API Claude APIs Meta API Google Business API

Full-Stack Developer

India Web Designs

Sep 2023 - Feb 2024 (5 months)

Developed and maintained WordPress-based websites and custom web applications. Built the backend for an astrology consultation application, a full-stack car rental web application, and published 3 cross-platform mobile apps using React Native (Expo) to the Apple App Store and Google Play Store.

WordPress React Native Expo NodeJS Payment Gateways Dodo Payments Cashfree