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intermediate ~20 hours

Enterprise Chatbot

Production-grade RAG chatbot with hybrid search, re-ranking, and evaluation metrics for enterprise knowledge bases.

Overview

Production-grade RAG chatbot with hybrid search, re-ranking, and evaluation metrics for enterprise knowledge bases.

Architecture

A intermediate-level project using Python, LangChain, Pinecone, FastAPI, React. The architecture follows a modular design with clear separation between data ingestion, AI processing, and user interface layers.

Tech Stack

Python · LangChain · Pinecone · FastAPI · React

Features

  • Hybrid search (BM25 + vector)
  • Cross-encoder re-ranking
  • Citation tracking
  • Evaluation dashboard

Resume Points

  • Architected enterprise RAG chatbot serving 10K+ documents with hybrid search
  • Implemented re-ranking pipeline improving retrieval precision by 35%

Interview Questions

How would you architect this project for production?
Discuss: API design, error handling, observability (tracing, logging), cost optimization (caching, model routing), security (input validation, rate limiting), and deployment strategy (Docker, CI/CD, auto-scaling).
What were the biggest challenges building this?
Focus on AI-specific challenges: prompt reliability, hallucination handling, latency optimization, cost management, and evaluation of AI output quality.