Open Source & Side Projects
Projects
Things I build in my own time — exploring AI, tools for developers, and apps that solve real problems for real people.
github.com/pernastefanoFeatured
LLM-Sim
Educational Python project that simulates the internal behavior of a Large Language Model — including prompt construction, tokenization, a reasoning agent with tool use, and token-by-token probabilistic generation.
YaAICV
Yet Another AI CV — a Flask web application to create, manage, optimise, and compare CVs against job offers. Combines ATS-safe HTML templates, server-side PDF export, and a multi-provider AI pipeline for intelligent suggestions and job-match scoring.
PocketKid
Mobile-first Python PWA for managing a virtual wallet for children. Parents define challenges (chores, reading, learning tasks) and approve completion requests. Kids earn coins, save for goals, and learn real financial habits — gamified and kid-friendly.
Other Projects
Image Server
A lightweight Node.js image serving application, forked and extended. Handles image upload, storage, retrieval, and basic transformations. Useful as a self-hosted image CDN for small projects.
This Website
Personal website with built-in microblog system. Flask backend with SQLite, Jinja2 templates, server-side Markdown rendering, full admin panel, and a dark/light design system. Deployed on nginx with gunicorn.