I will build custom ai agents, rag systems and langchain workflows

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johnsamuel536
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johnsamuel536
John Samuel N

About this gig

Looking to build a custom AI agent, RAG system, or intelligent workflow?

I can help you turn your AI idea into a working application using modern LLM technologies.

What I can build:

AI agents and agentic workflows

RAG (Retrieval-Augmented Generation) systems

AI-powered document processing and extraction

Document Q&A and knowledge-base systems

LLM workflows and automation

API and database integrations

Custom AI backend services and APIs

AI evaluation and observability

Technologies I work with:

Python & FastAPI

LangChain

LangGraph

LlamaIndex

OpenAI / ChatGPT APIs

Vector databases and embeddings

Docker

React

GCP

AI Evaluation & Observability

I can also integrate evaluation and observability into AI applications using tools such as DeepEval and Langfuse, helping you evaluate responses, inspect traces, and understand your AI workflow's performance.

What you can expect:

Clean and maintainable implementation

Proper API integration

Well-structured AI workflows

Documentation

Testing and debugging

Deployment assistance when included in the package

Whether you need a simple RAG feature or a more advanced agentic workflow, I can help build a solution tailored to your requirements.

Please messa

Get to know John Samuel N

John Samuel N

AI Engineer

  • FromIndia
  • Member sinceJul 2026
  • Avg. response time1 hour
  • Languages

    English
AI Engineer and Software Developer with 2+ years of experience building scalable backend systems and AI-powered applications. • AI Chatbots using OpenAI and LLMs • RAG (Retrieval-Augmented Generation) applications • AI Agent workflows using LangChain and LangGraph • Document ingestion and intelligent search systems • Python & FastAPI backend development • REST API development and third-party integrations • Full-stack web applications using React and FastAPI • Dockerized and production-ready deployments