I will build an ai chatbot rag system or ai agent using python

Y
yunusmdarfat
Y
yunusmdarfat
Arfat
build an ai chatbot rag system or ai agent using python
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build an ai chatbot rag system or ai agent using python

About this gig

Are you looking to build an AI chatbot, RAG system, AI agent, or LLM-powered application?

Im an AI/ML and Full-Stack Developer experienced in building AI applications using Python, LangChain, LangGraph, FastAPI, vector databases, and modern LLM APIs.

I can help you turn your AI idea into a working application with reliable retrieval, tool integration, backend APIs, and a user-friendly interface.

What I can build:

  1. RAG (Retrieval-Augmented Generation) applications
  2. AI chatbots and document Q&A systems
  3. AI agents and agentic workflows
  4. PDF/document-based AI assistants
  5. LLM API integration
  6. FastAPI AI backends
  7. AI features for existing web applications
  8. Tool calling and external API integration

Technologies I work with:

  • Python
  • LangChain
  • LangGraph
  • FastAPI
  • PostgreSQL / pgvector
  • Next.js / React
  • Gemini and other LLM APIs

What you can expect:

  • Clean and maintainable implementation
  • Proper document processing and retrieval
  • Relevant and grounded AI responses
  • API-based architecture
  • Clear communication and progress updates
  • Deployment assistance when required

Please message me before placing an order so I can understand your requirements and recommend the appropriate architecture.

  • AI engine

    • ChatGPT
    • Claude
    • Gemini
    • DeepSeek
    • Hugging Face

  • Tools & frameworks

    • LangChain
    • LangGraph
    • LlamaIndex
    • n8n

  • AI solution type

    • AI agent
    • AI chatbot
    • Rag system
    • AI workflow
    • AI copilot
    • AI assistant

  • Purpose

    • Research
    • Document processing
    • Project management
    • It support
    • Ecommerce
    • Finance
    • Education
    • Healthcare

Get to know Arfat

Arfat

Full Stack Developer and AI ML Engineer

  • FromBangladesh
  • Member sinceMay 2025

  • Languages

    Bengali, English
Hi! I'm Arfat, a Full-Stack Developer and AI/ML Engineer specializing in Next.js, React.js, TypeScript, Node.js, FastAPI, Python, MongoDB, and PostgreSQL. I build modern full-stack applications and AI solutions, including RAG and agentic AI systems. My projects include ResearchMind-AI, an agentic multimodal RAG system, and CareerForge, an AI-powered SaaS platform. I focus on reliable, user-friendly solutions and quality delivery. Let's work together!

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