Build a Pure‑Python Hybrid RAG Engine with BM25, HNSW, and Cross‑Encoder Reranking
Learn to stitch together BM25, HNSW, and a miniature GPT‑2 model in pure Python for a standout RAG project.
HNSW
Building a HNSW Vector Index from Scratch in Python
This guide walks you through building a hierarchical navigable small world vector index in pure Python. You’ll learn brute‑force construction, greedy graph search, and how to extend it for production.
From Scratch: Building an HNSW Vector Index in Pure Python
Build a working HNSW vector index in pure Python to showcase systems engineering skills to hiring managers.
Building a Pure-Python HNSW Index with IVF Clustering and Brute-Force Rescoring
A hands-on guide to building a pure-Python HNSW index with IVF clustering and brute-force rescoring. Learn how approximate vector similarity search works under the hood and create a portfolio project that signals deep systems expertise to hiring managers.
Build an HNSW Vector Index from Scratch in Python for RAG
Build an HNSW graph vector index from scratch in pure Python and integrate it into a RAG pipeline. This hands-on guide covers the full implementation, testing, and a roadmap to production-grade features.