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Pavan49450/README.md

Hey, I'm Pavan Kumar Kattula 👋

Full Stack & AI Integration Engineer based in Hyderabad, India.
I build production-grade SaaS platforms, RAG-powered AI agents, and complex payment systems — across EdTech, FinTech, and renewable energy.


🚀 What I Build

  • RAG Pipelines & Agentic AI — Pinecone · LangChain · OpenAI · Node.js
  • Multi-Tenant SaaS Platforms — React · TypeScript · NestJS · MongoDB
  • Payment Architecture — Stripe Webhooks · UPI · Net Banking · PCI-compliant APIs
  • Real-Time Systems — Socket.IO · WebSockets · Event-driven architecture

🏆 Highlights

  • 🛡️ Official appreciation from the Indian Air Force for defense-grade software delivery
  • 🥇 Ranked #1 of 50+ engineers in TCS software development training
  • 🤖 Built a production RAG AI Helpdesk (LangChain + Pinecone + OpenAI) → 90% drop in support queries
  • ⚡ Stripe webhook pipeline → invoice processing from 3–5 days to under 5 seconds

🛠️ Stack

Frontend → React · Next.js · React Native · TypeScript · Tailwind CSS · Redux Backend → Node.js · NestJS · Express · REST APIs · Socket.IO AI / ML → LangChain · Pinecone · OpenAI API · RAG Pipelines · Prompt Engineering Databases → MongoDB · PostgreSQL · MySQL Payments → Stripe · Razorpay · UPI · Net Banking · Webhook Pipelines DevOps → Docker · GitHub Actions · Azure · CI/CD


📫 Connect

Portfolio LinkedIn Email

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  1. Portfolio Portfolio Public

    TypeScript