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I will build custom ai agent, chatbot with rag, gpt, and langchain
Fahad
About this gig
Build a Custom AI Agent with GPT-4, LangChain & RAG | Document-QA Chatbot | SaaS AI Systems
Do you have data-PDFs, websites, internal documents that you wish you could query instantly?
I develop custom AI agents and chatbots using GPT-4, LangChain, and RAG technology and integrate intelligent systems that answer questions directly from your data-PDFs, websites, internal docs-delivering accurate, context-aware responses instantly.
What You Will Get:
- Document Q&A Chatbot: An AI that reads your PDFs, Word docs, and CSVs to answer complex questions.
- Custom AI Agent: Autonomous agents that perform tasks, reason, and execute workflows.
- Vector Database Integration: Implement semantic search with FAISS, Chroma, or Pinecone for fast data retrieval.
- Full-Stack AI Apps: From Streamlit MVPs to production apps with React, Next.js, and FastAPI.
- Workflow & Voice AI: Integrate with n8n, Vapi, or Synthflow for voice agents and automation.
My Tech Stack:
- AI Frameworks: LangChain, LlamaIndex
- LLMs: OpenAI GPT-4, GPT-3.5-Turbo
- Core Tech: RAG, Vector Embeddings, Python, JavaScript
- Backend: FastAPI, Flask
- Frontend: Streamlit, React, Next.js
- Vector Databases: FAISS, Pinecone, ChromaDB
Get to know Fahad
Fahad
- FromPakistan
- Member sinceDec 2023
Languages
Urdu, English, French, Spanish
Professional dot NET Full Stack Developer & AI Chatbot Specialist
With 4+ years of professional experience, I specialise in dot NET full-stack development, Python Django AI chatbot solutions, and enterprise-grade web applications that combine performance and scalability.
I help startups, SaaS companies, and enterprises build intelligent digital systems — from custom AI chatbots and REST APIs to cloud-ready ASP dot NET Core applications. My solutions are built to deliver measurable results, seamless functionality, and long-term reliability.
FAQ
What do you need to start my AI project?
A clear goal and your data (PDFs, docs, etc.). I will build your custom AI agent or RAG chatbot.
What kind of AI solutions do you build?
I specialize in building AI agents and AI chatbots, including powerful RAG chatbots for documents.
What technology powers the AI?
I use OpenAI (GPT-4) and LangChain to create advanced AI agents and intelligent AI chatbots.
Can you make an AI for my website?
Yes, I can build a custom AI website chatbot or integrate a full AI agent into your existing site.
What files can the AI chatbot read?
My RAG chatbot can process PDFs, Word docs, CSVs, and website content to answer your questions.
Do you offer ongoing support and updates?
Yes, I provide support and maintenance to keep your OpenAI-powered AI agent running perfectly.
Do I own the source code?
Yes, you receive full ownership of the source code for your AI chatbot or AI agent upon delivery.
Can you build a voice AI or n8n automation?
Absolutely. I can create voice agents or an n8n AI agent for workflow automation.
What's the main difference in your packages?
The MVP is a fast prototype. The Advanced package is a production-ready AI website application.
Do you help deploy the final AI agent?
Yes, I provide the necessary files and support to deploy your AI agent on your server or cloud.
