William Sergio Minozzi

Senior Systems & Security Consultant | Linux Infrastructure | WordPress Backend & Security Expert | Malware Removal

European Union | Citizenship: Italian (EU) | Get in Touch

Professional Summary

As a Senior Technical Consultant and WordPress Specialist with over 25 years of international experience, I integrate robust Cybersecurity with a valuable strategic perspective to help organizations navigate today's AI-driven landscape with confidence.

My deep technical expertise allows me to solve your most immediate threat: neutralizing the malicious bots that destroy server performance. This is a rescue mission that has successfully kept thousands of user sites online by preventing server overloads and significantly reducing page load times , a success backed by hundreds of direct testimonials.

In the field of cybersecurity, I developed the only WordPress plugin that integrates with Fail2Ban and provides a graphical interface with real-time charts and tables for monitoring suspicious activity—bringing server-level protection into the WordPress.

In the area of error control, I created the only plugin that captures JavaScript errors and displays them in a dynamic, filterable table—enabling efficient analysis. It integrates AI to deliver an in-depth diagnostic of the server environment.

With your digital assets finally secure, my strategic business acumen (MBA) provides the lens for what comes next. We then proactively harness the wave of new AI to build the innovative, automated services—focused on ROI and competitive advantage—that will define your future.

I am focused on forming lasting technical partnerships and am currently available for new projects. Let's discuss how I can bring this unique blend of stability, security, and strategic growth to your business.

The Skills section provides further technical details and the strategic advantages they bring to your business.

Services Offered

Generative AI Integration

Architecting and developing custom AI chatbot solutions and diagnostic tools with the Gemini and ChatGPT APIs to enhance user engagement and create new services.

Server Management & Security

Proactive administration, security hardening (iptables, WAF, bot mitigation), and performance tuning for your entire LAMP/LEMP stack. Expertise in CSF Firewall, ModSecurity, and Fail2ban.

Custom WordPress Development

Building secure, scalable, and high-performance custom themes and plugins from the ground up to meet specific business needs.

Technical Support & Troubleshooting

Fast, expert-level diagnosis and resolution for complex Linux server and WordPress issues, backed by 6 years of high-volume ticket management for Envato.

Core Competencies

  • Generative AI Integration (via PHP & REST APIs): Architecting full-stack diagnostic chatbots using Gemini & ChatGPT, built upon a custom PHP back-end and interactive front-end solutions.
  • Back-End Development: PHP, MySQL, JSON, API Creation
  • Building debug tools: Developed custom debugging tools for WordPress and non-WordPress web applications, logging error details (type, severity, script, line, timestamp) in a database for efficient troubleshooting.
  • Front-End Development: JavaScript, HTML5, CSS, jQuery, Bootstrap, DataTables, Forms (reCaptcha and CloudFlare Turnstyle)
  • CMS & Frameworks:Build CMS, WordPress (Expert Level): Custom Plugin & Theme Development, Performance Optimization, Shopping Cart and eCommerce.
  • Payment Methods: Paypal, Stripe and others payment Processing, Financial Reporting, Fraud Detection
    • Servers & Infrastructure:
    • Full-Stack Linux Server Administration (from bare-metal setup)
    • LAMP/LEMP Stack Configuration, Performance Tuning & Maintenance
    • Server Installation and Administration (cPanel, Control Web Panel - CWP)
    • AWS and Contabo API, Object Storage, eBay API
    • Bare-Metal and VPS Linux Install and management
    • email deliverability:SPF, DKIM, DMARK, Reverse DNS
    • Server Backup
  • Security Architecture & Hardening:
    • Multi-layered security strategy (Server, Network & Application)
    • Firewall Configuration & Management (CSF, ModSecurity, Fail2Ban, iptables)
    • Cyber Security: Intrusion Prevention, Malware Scanning
    • Advanced Bot and DDoS protection, Anti-Spam
  • Technical Support & Troubleshooting:
    • Custom Technical Support
    • Ticket System Build and Management
    • Troubleshooting
    • Linux Server performance and Checkup, Dashboard Creation
  • Strategy & Management:
    • Strategic Software Development Lifecycle (SDLC) Management
    • Business Consulting, Project Management, Requirements Analysis
    • End-to-End Technical Ownership & Problem-Solving
    • Client Partnership & Strategic Planning
    • Analytics Solution Development & Data Analysis
    • Adwords and Google APIS
    • SEO
    • X and Youtube API
  • Custom Debugging & Error Management:
    • Developed a proprietary system with seamless integration into Chrome DevTools for enhanced console debugging.
    • Developed a robust system that works via API to capture, log, display, filter, and sort application errors (including JavaScript), consolidating results from multiple websites into a single location and report to enhance debugging efficiency.
  • Development Tools & Version Control:
    • Integrated Development Environments (IDEs): Microsoft Visual Studio Code
    • Version Control Systems (VCS) Clients: kdesvn (Subversion)

Professional Experience

Founder & Lead Developer

Online Software Product Business | Europe 2015 - Present

  • Architected and managed a proprietary suite of over 30 premium security and infrastructure solutions, delivering enterprise-grade protection and advanced bot mitigation to a global client base through independent distribution.
  • Managed the entire product lifecycle, from initial concept and architecture to ongoing maintenance, security updates, and customer support.

Envato (ThemeForest) Ecosystem: Expert in Web Deployment, Server Config, and Client Support. 280 customer feedback responses were 99% positive.

Remote Worldwide 2017 -2023

  • With a six-year track record as a trusted service provider for the Envato community, I possess a deep understanding of web deployment and server management. My expertise lies in taking websites from development to a live environment, ensuring a seamless and professional launch for a diverse range of clients. I am proficient in the necessary technical skills to bring creative web projects to life.

IT Consultant & Senior Web Developer

Various Clients | Italy 2005 - 2014

  • Partnered with small and medium-sized enterprises to deliver end-to-end web solutions, acting as the primary technical and strategic point of contact.
  • Engineered corporate and e-commerce websites with a focus on performance, scalability, and security.
  • Implemented web marketing and SEO strategies to increase online visibility and drive customer acquisition for client businesses.

Entrepreneur & Consultant

Business Ventures in the USA & Brazil 1972 - 2000

  • USA (5 years): Founded and operated a Florida-based e-commerce business specializing in computer hardware and peripherals, managing all operations, marketing, and logistics.
  • Brazil (28 years): Established and directed three successful companies in the IT, Publishing, and Business Consulting sectors, leading teams and defining growth strategies.
  • Brazil (5 years): Served as a University Professor, teaching General Administration courses and sharing practical business management expertise with aspiring professionals.

Education

Master of Business Administration (MBA)

Fundação Getúlio Vargas (FGV) - Brazil

Languages

  • Portuguese: Native
  • Italian: Fluent
  • English: Professional Proficiency
  • Spanish: Familiarity With

Get in Touch

Have a project, a question, or just want to connect? Click the button below to send me a message.