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I will build ai agents using langgraph and rag systems
Obaid Khan
About this gig
Build Production-Grade AI Systems
Stop building demosstart building AI that works. I am a Stanford & DeepLearning.AI
certified AI Engineer specializing in Agentic Workflows and Advanced RAG architectures. I bridge the gap between AI research and production software by building stateful, reliable systems.
What I Offer:
- Agentic Workflows: Multi agent systems using LangGraph for complex, multi-step tasks.
- Advanced RAG: High accuracy retrieval from your private data (PDFs, Docs, Databases).
- Custom AI Agents: Autonomous agents for automation, data analysis, and support.
- Backend Integration: Connecting AI to Django and optimized SQL databases.
- Tool Calling: Enabling LLMs to interact with your APIs securely.
Technical Stack:
- LangChain, LangGraph, Python
- OpenAI (GPT-4o), Anthropic (Claude 3.5), Llama 3
- Django, FastAPI, MySQL, Pinecone/ChromaDB
Why Choose Me?
Currently an AI Engineer at Data Function Inc., I focus on scalability, reliability, and data integrity. I dont just write scripts; I build systems designed to grow.
- Please message me before ordering to discuss your project requirements!
Get to know Obaid Khan
Obaid Khan
AI Engineer
- FromPakistan
- Member sinceMay 2022
Languages
English
I am an AI Engineer specializing in building intelligent, production grade AI systems using Large Language Models (LLMs), agentic workflows, and Retrieval Augmented Generation (RAG) architectures.
I have hands on experience designing agent based systems using LangGraph, where multiple AI agents collaborate through structured workflows, state management, and decision logic to solve complex tasks reliably and at scale.
I combine strong AI system design with backend engineering, enabling seamless integration of AI models into real world applications.
FAQ
What is the difference between a chatbot and an AI Agent?
A chatbot simply responds to prompts. An AI Agent (using LangGraph) can "reason," break down a complex goal into steps, use external tools (like searching the web or querying a database), and correct its own mistakes until the task is complete.
What do I need to provide to get started?
will need a clear description of your goal, access to the data you want the AI to use (if it's a RAG project), and your preferred LLM provider (OpenAI, Anthropic, etc.).
Do you handle the backend integration?
es. Unlike many AI sellers, I am a full-stack AI Engineer. I can build the Django API and SQL database logic required to make your AI work within a web application.
Will I need my own API keys?
Yes, you will need to provide your own API keys for services like OpenAI or Anthropic. I will guide you on how to set this up securely.
Can the AI Agent work with my existing SQL database?
Absolutely. I can design "Tool Calling" functions that allow the AI to safely query or update your SQL database based on natural language instructions
