I will build ai agents using langchain, openai, llama, rag, genai, fastapi, python

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About this Service

Want to build intelligent AI agents that can reason, use tools, search your data, and automate workflows?


I will develop advanced AI agent systems using LangChain, OpenAI GPT, Llama, and other GenAI frameworks with RAG architecture and FastAPI backend. These agents can interact with your data, APIs, documents, and external tools to deliver real-world automation and intelligence.


Perfect for SaaS products, enterprise automation, AI assistants, and custom AI workflows.


Services I Offer:


✔ AI agent development (single & multi-agent systems)

✔ LangChain-based workflow automation

✔ OpenAI GPT integration (ChatGPT-style agents)

✔ Llama / open-source LLM integration

✔ RAG (Retrieval-Augmented Generation) systems

✔ Tool-using AI agents (API + function calling)

✔ Memory-enabled conversational agents

✔ Document / PDF / website AI assistants

✔ Web search + knowledge-based agents

✔ FastAPI backend development for AI systems

✔ REST API integration for AI agents

✔ AI orchestration pipelines

✔ Prompt engineering and optimization


Technologies Used:

Python

LangChain

OpenAI API

Llama / Mistral / DeepSeek

Hugging Face Transformers

FastAPI

Flask (optional)

FAISS / ChromaDB / Pinecone (vector DBs)

LlamaIndex

Docker

PostgreSQL / MongoDB

AWS / Azure / GCP

Use Cases:

AI chatbot assistants

Customer support automation

Document Q&A systems

AI research assistants

Business workflow automation

SaaS AI agent platforms

Knowledge base AI systems

API-based AI automation tools

What You Will Receive:


✅ Fully working AI agent system

✅ FastAPI backend with REST APIs

✅ LangChain / LlamaIndex pipeline

✅ RAG implementation with vector database

✅ Clean and documented source code

✅ Deployment support

✅ Setup instructions

✅ Technical documentation


Packages

Basic – Simple AI Agent


$150


Single AI agent

OpenAI GPT integration

Basic tool usage

Simple FastAPI backend

3-day delivery

Standard – Multi-Tool AI Agent System


$450


Multi-tool AI agent (API + knowledge base)

LangChain workflow setup

RAG system with vector database

FastAPI backend

Basic frontend/chat UI

7-day delivery

Premium – Enterprise AI Agent Platform


$1,200


Advanced multi-agent system

RAG + memory + tool orchestration

Multi-model support (OpenAI + Llama + others)

Scalable FastAPI architecture

Authentication + user dashboard

Cloud deployment support

Production-ready AI SaaS setup

14-day delivery

Gig Extras

Express Delivery

Starting at $100

Vector Database Setup

$120

Multi-Agent Workflow System

$150

Custom AI Tools Integration (APIs)

$100

RAG System Upgrade

$120

Frontend Dashboard

$150

Cloud Deployment (AWS/Azure/GCP)

$150

AI Memory System

$100

Service Features

  • Project Task
  • Software Files

About the Seller

From

Singapore

Member Since

Aug 2025

Skills:

data science python panda design database

Compare packages

Package
$90.00
Basic
$500.00
Standard
$1,400.00
Premium
Revisions 1 1 1
Delivery Time 3 Days 7 days 7 days
Project Task
Software Files
Total $90.00 $500.00 $1,400.00
Basic
Standard
Premium
$90.00

Basic

3 Days delivery
1 Revision
Project Task
Software Files

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