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