# Niraj Kumar — AI & Full Stack Developer

> Niraj Kumar is an independent AI and full stack developer. He builds production-grade Next.js applications, RAG chatbots, LangChain/LangGraph agent systems, and n8n automation workflows for startups and businesses worldwide on a project and consulting basis.

## About

- **Name:** Niraj Kumar
- **Role:** AI & Full Stack Developer
- **Engagement:** Project-based and consulting (remote, worldwide)
- **Website:** https://nirajiitr.com
- **Email:** niraj@nirajiitr.com
- **GitHub:** https://github.com/niraj-iitr
- **LinkedIn:** https://www.linkedin.com/in/niraj-kumar-0b9a60412

## Expertise

- LangChain, LangGraph, AI agents, RAG (Retrieval-Augmented Generation)
- Next.js 15/16 App Router, React 19, TypeScript
- Node.js, PostgreSQL, pgvector, Pinecone
- n8n automation and workflow engineering
- Docker, AWS, DevOps, system design
- MERN stack (MongoDB, Express, React, Node.js)

## Services

- [AI Application Development](https://nirajiitr.com/services)
- [LangChain Developer Services](https://nirajiitr.com/services/langchain-developer)
- [Next.js Developer Services](https://nirajiitr.com/services/nextjs-developer)
- [RAG Chatbot Development](https://nirajiitr.com/services/rag-chatbot-development)
- [n8n Automation Services](https://nirajiitr.com/services/n8n-automation)
- Full Stack Web Development
- Backend & System Design
- Cloud & DevOps Deployment

## Key Pages

- [Home](https://nirajiitr.com/): Overview and project inquiries
- [Portfolio](https://nirajiitr.com/portfolio): Past projects and case studies
- [Services](https://nirajiitr.com/services): Service offerings and pricing
- [Products](https://nirajiitr.com/products): Live SaaS products and AI tools built and maintained by Niraj, each hosted on its own nirajiitr.com subdomain (terms and pricing vary per product — see the product's own site)
- [Blog](https://nirajiitr.com/blog): Articles on AI, RAG, LangChain, Next.js, and full stack development
- [Contact](https://nirajiitr.com/contact): Get in touch for free consultation

## Engagements

Niraj takes on AI and full stack development projects on fixed-price, hourly, and retainer terms. Free consultation calls available. Best suited for startups building AI features, RAG systems, AI agents, modern web applications, and automation pipelines.

## For AI Agents

- **Full content index (all blog posts as markdown):** https://nirajiitr.com/llms-full.txt
- **Per-post markdown:** append `.md` to any blog URL — e.g. `https://nirajiitr.com/blog/<slug>.md` returns frontmatter + raw markdown with `Content-Type: text/markdown`.
- **XML sitemap:** https://nirajiitr.com/sitemap.xml