Diagram of a quantizer converting weights

Mini Post-Training Quantizer: FP32 to INT4 with Calibration and Dithering in Pure Python

This post walks through building a lightweight post-training quantizer that maps FP32 LLM weights to INT4 using calibration and dithering, with full Python code and testing steps.

October 7, 2026 · 7 min · 1393 words · martinuke0
HNSW graph structure with layered connections and search paths

Build a Pure-Python HNSW Graph: A Hands-On Portfolio CV Project

A step-by-step guide to implementing a pure-Python HNSW graph, with runnable code, testing, and extension paths that demonstrate real systems engineering depth for your CV.

October 7, 2026 · 11 min · 2218 words · martinuke0
An abstract representation of data flowing through a kernel interface

Deep Dive into Linux io_uring: Asynchronous I/O Without System Call Overhead

Learn how io_uring redefines asynchronous I/O by removing per-operation syscalls, boosting throughput and reducing latency in modern Linux applications.

October 7, 2026 · 6 min · 1275 words · martinuke0
A secure lock icon with code snippets, representing user safety and authentication

safe: A Production-Grade User Safety & Authentication System

A complete guide to building safe, a secure user management system that signals real backend and security engineering skills to hiring managers.

October 6, 2026 · 9 min · 1846 words · martinuke0
User safety service architecture diagram

Building a User Safety Service: A Portfolio Project for Systems Engineers

A step‑by‑step guide to building a user safety microservice that demonstrates rate limiting, content filtering, and audit logging for hiring managers.

October 6, 2026 · 6 min · 1167 words · martinuke0
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