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$
USD
I will build ai chatbot using rag, llm, langchain and python
Muhammad Usman
About this gig
Looking for an intelligent AI chatbot that can understand your business data and deliver accurate, context-aware responses?
I will build a custom AI chatbot using RAG, LLMs, LangChain, and Python for your website, application, documents, or business knowledge base.
What I can build:
Custom AI & RAG Chatbots
PDF and Document Q&A Assistants
Website Knowledge Base Chatbots
Customer Support AI Assistants
LLM-powered Applications
OpenAI GPT, Claude & Gemini Integrations
LangChain & RAG Applications
Vector Database & Embeddings Integration
REST API / Backend Integration
Custom Python AI Solutions
Tech Stack: Python, LangChain, OpenAI, GPT, Claude, Gemini, RAG, LLMs, FastAPI & Vector Databases.
Your chatbot can work with PDFs, Word/CSV/TXT files, FAQs, websites, databases, product data, and internal documentation.
You will receive a clean, scalable, and customized solution built around your requirements.
Have a custom AI idea? Message me before ordering to discuss your project.
Get to know Muhammad Usman
Muhammad Usman
I will build full stack web apps with react nextjs python AI agents and n8n
- FromPakistan
- Member sinceOct 2023
- Avg. response time1 hour
Languages
Urdu, Punjabi, English
Full Stack Developer specializing in React, Next.js, Node.js & Python. 2+ years building fast, SEO-friendly web apps + AI agents, LangChain chatbots & n8n automation workflows.
✅ React/Next.js responsive UI + Tailwind CSS
✅ SSR — faster load, better SEO
✅ Node.js & Python (FastAPI/Flask) REST APIs
✅ AI chatbots & agents (OpenAI, Claude, LangChain)
✅ n8n automation — CRM, email, API workflows
✅ Secure auth, clean scalable code
Built: seller dashboards, 1000+ user apps, brand websites (+30% engagement).
Let's build your web app — message me before ordering!
My Portfolio
FAQ
What information do you need to start the project?
Please share your project requirements, chatbot purpose, preferred AI model, data sources (PDFs, websites, databases, etc.), required integrations, and deployment preferences. If you are unsure, message me and I can help define the requirements.
Can you build a RAG chatbot using my own documents or business data?
Yes. I can build a RAG-based chatbot that retrieves relevant information from your PDFs, documents, FAQs, websites, databases, or other knowledge sources before generating responses.
Which LLMs and AI models can you integrate?
I can work with OpenAI GPT, Claude, Gemini, and other suitable LLMs depending on your project requirements.
Can you integrate the AI chatbot into my existing website or application?
Yes. I can integrate the chatbot with an existing website, web application, backend, or API depending on your current technology stack.
Do you provide source code?
Yes. Source code is provided according to the selected package, along with the agreed project deliverables.
Can you integrate a vector database for RAG?
Yes. I can integrate an appropriate vector database and embeddings solution to store and retrieve relevant knowledge for your RAG application.
Can you build a chatbot for customer support?
Yes. I can build AI-powered customer support assistants that answer questions using your business knowledge base, FAQs, documentation, or product information.
Can you deploy the chatbot or AI application?
Yes. Deployment can be provided depending on the selected package, hosting environment, and project requirements.
Will I need my own API keys?
For paid third-party services such as OpenAI, Claude, or Gemini APIs, you may need to provide your own API credentials and cover the provider's usage costs.
Should I contact you before placing an order?
Yes, especially for RAG or custom LLM projects. Please message me before ordering so we can confirm the requirements, integrations, scope, timeline, and suitable package.
