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I will build rag based ai chatbots with python fastapi backend PDF, docs, websites
Umair Abbasi
About this gig
Enhance your product or business with AI-driven chatbots, RAG systems, and intelligent applications built using OpenAI, GPT, LangChain, and open-source LLMs.
Hi, I'm an experienced AI Engineer specializing in building custom RAG pipelines, conversational agents, and AI-powered apps that deliver fast, accurate, and reliable results from your data.
What I Can Build For You
Document-Aware AI Chatbots (RAG)
- Convert your PDFs, Word files, CSVs, or knowledge base into an AI chatbot.
- Fast, precise answers using embeddings + vector search.
- Supports Pinecone, ChromaDB, Milvus, FAISS & others.
Smart AI Web Interfaces
- Clean, responsive apps built with Streamlit, FastAPI, or custom UI.
- Smooth integration with LLM APIs & databases.
- Perfect for demos, MVPs, and production tools.
Custom AI Use Cases You Can Request
- SEO or blog generation tools
- Financial or business advice assistants
- AI for customer support
- Recipe or learning assistants
- Tech troubleshooting bots
- Multi-agent AI automations
- Got a custom idea? I can build it from scratch.
Tech I Work With
AI & LLMs: OpenAI GPT, Llama, DeepSeek, Gemini, LangChain, LlamaIndex
Vector DBs: Pinecone, ChromaDB, FAISS, Milvus
Frameworks: Python, Streaml
Get to know Umair Abbasi
Umair Abbasi
Python FastAPI Backend Developer AI, RAG LLM Systems
- FromPakistan
- Member sinceOct 2016
- Avg. response time3 hours
- Last delivery10 months
Languages
Urdu, English, French, Italian
Looking for production-grade Python backends and AI systems?
I am a Full Stack AI & Backend Engineer specializing in scalable FastAPI REST APIs RAG pipelines and automated Docker CI/CD deployments. I build production grade microservices that integrate directly with databases web apps, and vector stores.
Core Expertise:
• FastAPI & Async Python Microservices
• Custom RAG Systems (LangChain, FAISS, Chroma, Pinecone)
• LLM Integrations (LLaMA, OpenAI, Gemini)
• Containerization & CI/CD (Docker, AWS, VPS)
Let's build a secure, production-ready AI solution. Send a message to discuss your project!
Other Chatbot Development Services I Offer
FAQ
What kind of AI chatbot or RAG system will I get?
You will receive a fully functional LLM-powered chatbot that can read your documents, search your knowledge base, and generate accurate answers using a RAG pipeline. Depending on your package, it may include conversation memory, advanced UI, multi-agent logic
Do I need to provide anything before you start?
Your documents or dataset (PDFs, Word files, CSVs, etc., if your project requires them) API key for the model you want to use (OpenAI, Gemini, Llama, etc.) A short description of the type of bot you want (support bot, knowledge bot, automation bot, advisor bot, etc.)
Can you deploy the chatbot to my website or integrate it with other tools?
Absolutely. I can deploy your chatbot to a web interface, Streamlit app, custom website, or API endpoint. I can also connect it with tools like n8n, CRMs, databases, etc, or your workflow system depending on your package.
