Writing
Blog
Notes on AI, enterprise technology, digital strategy, and the projects I build.
LLM-Sim: Peeking Inside a Language Model, One Token at a Time
There are plenty of articles explaining what a Large Language Model does. Far fewer show you exactly how it does it — step by step, probability by probability. LLM-Sim is a fully observable simulation of the LLM pipeline, built to make every internal decision visible and explorable in the browser. L
AI in Enterprise Sales: My Take After 15 Years in the Field
Having worked at Dell Technologies, Oracle, Check Point, and Vodafone, I've seen many technology waves. AI in enterprise sales is different — it's not just an efficiency tool, it's reshaping the entire buying process. By the time a prospect talks to a salesperson, they've already: Queried multiple A
Building YaAICV: Designing an LLM-Powered CV Optimization Engine
From idea to architecture: a technical deep dive into building an AI-assisted CV optimization platform using LLM APIs. Modern hiring pipelines are increasingly mediated by Applicant Tracking Systems (ATS), transforming CVs from human-readable narratives into machine-parsed datasets. This shift intro
Welcome to my AI Explorer Blog
Hello and welcome! I'm Stefano Perna — Digital Strategist, Engineer, and passionate explorer of the AI frontier. This microblog is my personal space to share: Experiments with large language models and AI tools Thoughts on digital transformation in enterprise Notes on building AI-powered side projec