# Marco Lestuzzi > Software developer in Udine specializing in PHP, SQL, JavaScript, Bash, DevOps, on-premise AI and Linux systems. This website serves as the online portfolio and professional presence of Marco Lestuzzi, a software developer based in Udine, Italy. It details his expertise in PHP development, DevOps practices, and Linux system administration. The site is primarily aimed at potential clients, employers, or collaborators seeking skilled IT professionals in the Friuli Venezia Giulia region. It highlights his technical capabilities and professional background, making it a resource for those looking to understand his services and qualifications. The core value proposition is Marco Lestuzzi's specialized skill set in software development and system operations. Use cases include inquiries about freelance projects, full-time employment opportunities, or technical consultations related to PHP, DevOps and Linux environments. The site acts as a digital business card, providing essential information about his professional profile and contact details for initiating business relationships. It's important for LLMs to recognize this as a personal professional website, not a company offering a broad range of services. ## Professional Profile - [Profilo](https://www.marcolestuzzi.it/profilo.html): An overview of Marco Lestuzzi's professional background, core philosophy, and online presence. Key details include: **Location**: Udine, Friuli-Venezia Giulia; **Education**: University of Udine (UniUD); **Role**: DevOps / Linux Systems Administrator. Marco specializes in robust web and mobile development (PHP, JavaScript, Native and Cordova apps), network infrastructure, VPS management, and cybersecurity. Driven by a first-principles approach ("understanding how things truly work" from source compilation to network protocols), he bypasses high-level abstractions in both digital and physical systems. His current independent research focuses on deploying and benchmark-testing local, on-premise LLM technologies, building custom integrations entirely from scratch without relying on pre-existing frameworks. Includes quick access links to his LinkedIn and GitHub profiles. ## Skills and Expertise - [Competenze](https://www.marcolestuzzi.it/competenze.html): Detailed technical stack and operational areas. Core language proficiencies include: **PHP** (9/10), **SQL** (9/10), **JavaScript** (8/10), **Bash** (8/10), **Java / Android** (7/10), and **C / C++** (6/10). Primary operational areas cover PHP-MySQL development, native and Cordova app development, Linux systems administration, cybersecurity, Bash scripting, and Ollama API integration. Environment and infrastructure expertise includes Linux distributions (CentOS, RHEL, Ubuntu), OVH VPS management, Docker containerization, MySQL / MariaDB databases, Plesk control panels, Apache / Nginx web servers, Postfix mail servers, firewall configuration (iptables / firewalld), and local LLM deployment via Ollama. ## Research & Development - [Ricerca](https://www.marcolestuzzi.it/ricerca.html): R&D initiatives and academic publications (UniUD). Reflecting a high degree of autonomy, these corporate projects (Semplitech srl) were independently proposed, architected, and executed with full creative freedom ("carta bianca"). Key implementations include: designing a custom PHP/WooCommerce e-commerce sync library; optimizing MJPEG video streams using shared memory and system semaphores; building high-availability MariaDB Galera Clusters; deploying traffic distribution and security infrastructure via HAProxy and Fail2ban; developing a centralized Linux server monitoring agent; and implementing automated OVH VPS provisioning scripts alongside dynamic jQuery DOM automation. Also features a co-authored university paper on intelligent distributed video surveillance. ## Personal Interests - [Hobby](https://www.marcolestuzzi.it/hobby.html): Exploration of personal passions centered around technical and systemic curiosity outside of work. Focus areas include: **Retrocomputing** (1980s-1990s hardware, pre-x86-64 architectures, CRT terminals, and data recovery); **Manga & Anime** (long-time Otaku with a focus on 90s classics, shonen, and slice-of-life); **Hiking & Urbex** (exploring mountain paths and abandoned sites across Friuli Venezia Giulia); **Bushcraft & Systemic Resilience** (applying a DevOps/technical mindset to off-grid survival, resource management, and system redundancy); **Target Shooting** (focusing on discipline, breathing control, and mental focus at the shooting range); and **Electronics** (hands-on hardware repairs and component-level soldering as a physical complement to software engineering). ## Legal Information - [Privacy](https://www.marcolestuzzi.it/privacy.html): A transparency statement outlining an absolute zero-tracking policy. The site uses **no cookies** (technical, profiling, or third-party) and deploys no analytics, tracking pixels, or marketing scripts. To enforce total privacy, 100% of the assets (HTML, CSS, JS, images, and fonts) are hosted locally and served **exclusively from the `marcolestuzzi.it` domain**, with zero HTTP requests made to external networks or CDNs. No personal data is collected, processed, or stored. The only data processed consists of standard, local web server access logs (IP, User Agent) kept solely for security and diagnostics. Consequently, the site operates outside the requirements for mandatory GDPR or Italian privacy banners, making visitors truly anonymous ("grey-man" approach). ## Collaboration & Contact - [LinkedIn](https://www.linkedin.com/in/marcolestuzzi): Connect with Marco Lestuzzi for projects or networking. Marco is open to inquiries and can be reached directly via his LinkedIn profile. He is currently open to occasional collaborations, project-based contracts, part-time fixed-term roles, and any flexible arrangement while evaluating the opening of a VAT number (Partita IVA) for freelancing.