Navid Hejazi

Data Science Portfolio

Hi I'm Navid, and I'm a Data Scientist. My portfolio focuses on interesting projects I've recently undertaken, with a strong emphasis on business impact. Please visit my Github & LinkedIn pages (or download my Resume) by using the links below!

2 minute read

GenAI RAG LLMs n8n Pinecone OpenAI

iOS 18 Documentation Chatbot Using RAG (n8n + Pinecone + OpenAI)

In this project, I built an end-to-end Retrieval-Augmented Generation (RAG) system that allows users to ask natural-language questio...

3 minute read

NLP Semantic Search Vector Databases BERT Pinecone Streamlit

Building a Semantic Course Search Engine Using Weighted BERT Embeddings

In this project, we build a production-style semantic search system for online course content. The system allows users to search for...

10 minute read

GenAI SQL Agents Python LangChain PostgreSQL

Building an AI SQL Agent On A Live Cloud-Based Database

In this project we build a practical SQL AI Agent for our grocery retail client, capable of taking natural-language questions and tu...

9 minute read

GenAI RAG LLMs Python LangChain

Building an AI Help-Desk Assistant Using RAG (Retrieval Augmented Generation)

In this project we build a real, production-style AI assistant for our grocery retail client, capable of answering customer help-des...

less than 1 minute read

Tableau Data Viz

Earthquake Tracking Dashboard Using Tableau

This is a Tableau Dashboard that tracks global Earthquake activity across a 30-day period Open Earthquake Tracker Dashboard

15 minute read

Deep Learning CNN Data Science Computer Vision Python

Creating An Image Search Engine Using Deep Learning

In this project we build a Deep Learning based Image Search Engine that will help customers find similar products to ones they want!...

Older projects