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Hey, I'm Dharmendra Kumar 👋

Senior Backend & AI Engineer · 4+ years building production systems
Currently shipping Generative AI products — LLM pipelines, RAG chatbots & AI agents

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🧭 My Journey

2016  🎓  B.Sc. Computer Science — Gurukula Kangri University, Haridwar
2021  🎓  MCA — Gurukul Kangri Vishwavidyalaya, Haridwar
2021  💼  Started career as Backend Engineer (Campus Placement)
2021  🚀  Scaled backend systems for 100K+ users on AWS
2023  🔥  Moved into AI/GenAI — leading LLM and RAG product development
2024  🤖  Shipped multiple production AI systems — extraction engines, chatbots, AI agents
2025  📈  5+ AI systems live, 99.95% uptime, 50K+ records processed daily

🔧 Tech Stack

Backend   Node.js NestJS TypeScript Express Next.js Python PHP Laravel

AI / GenAI   AWS Bedrock OpenAI LangChain Claude

Databases   PostgreSQL MongoDB Redis DynamoDB MySQL

Cloud & DevOps   AWS Docker GitHub Actions Jenkins

📊 GitHub Stats

🏆 Certifications

  • ☁️ AWS Cloud Practitioner Essentials — Amazon Web Services (2024)
  • 🤖 Generative AI with Large Language Models — Coursera / DeepLearning.AI (2024)
  • ⚙️ Advanced Node.js Design Patterns — Udemy (2023)

"First, solve the problem. Then, write the code." — John Johnson

Dharmendra Kumar's Projects

admin-multivender icon admin-multivender

Multi-vendor admin panel backend - Node.js, MongoDB, role-based access control

ai-rag-chatbot icon ai-rag-chatbot

Production-ready RAG chatbot with LangChain, OpenAI, Pinecone vector search, and document ingestion pipeline. Supports PDF, DOCX, and web scraping with source citations.

n8n icon n8n

N8N workflow automation setup and custom node integrations

node-mf-poc icon node-mf-poc

Micro-frontends proof of concept with Node.js module federation

settlement icon settlement

Payment settlement processing system - Node.js backend

tally-api icon tally-api

RESTful API integration with Tally ERP - Node.js, Express, TypeScript

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