Systems Engineering

A terminal showing BM25 retrieval scores alongside a RAG pipeline diagram

Build a RAG Pipeline with From-Scratch BM25: A Hands-On Portfolio Project

A hands-on guide to building a Retrieval-Augmented Generation pipeline with a from-scratch BM25 scorer. Covers architecture, real Python code, testing, and a senior-level roadmap for extending it into a production-grade system.

A code editor displaying a Python BPE tokenizer implementation with terminal output showing tokenization results.

Build a BPE Tokenizer From Scratch in Pure Python

A hands-on build guide for a Byte Pair Encoding tokenizer in pure Python — complete with architecture diagrams, runnable code, testing strategy, and a senior-level extension roadmap.

Build a Production-Grade Inference Pipeline: A Hands-On CV Project

A step-by-step guide to building a real-time ML inference service with async processing, request batching, and observability — designed to demonstrate production systems engineering on your CV.

A visualization of INT4 weight tensors being dequantized and multiplied in a fused GEMM kernel

Build a Blockwise INT4 Inference Engine: A Hands-On Portfolio Project

A hands-on build guide for a blockwise INT4 inference engine with packed-nibble weights, per-group scales/zero-points, and fused dequantizing GEMM — a portfolio project that demonstrates real systems and ML engineering depth.

A diagram of a neural network merging LoRA weights

From Scratch: Building a LoRA Weight Merger in PyTorch

This tutorial walks you through implementing a LoRA weight merger in PyTorch, giving you a concrete portfolio piece that highlights systems thinking and ML engineering prowess.