Giancarlo Lodonia
Full Stack Developer & WordPress Specialist
Building robust web applications and custom WordPress solutions for 6+ years. Specialized in Laravel-based School Management Systems, custom plugin development, and e-commerce platforms serving 40+ institutions across the Philippines.
Core Expertise
Comprehensive full-stack development with specialized focus on enterprise-level applications and custom WordPress solutions
Full Stack Development
Building scalable multi-tenant web applications using Laravel, Next.js, and MySQL. Expertise in developing School Management Systems with enrollment, payroll, HR, billing, and document tracking modules.
WordPress & Custom Plugins
Developing custom WordPress plugins and themes with advanced functionality. Built solutions including mentor profile systems, multi-step registration forms, BookingPress integrations, and business calculators for international clients.
E-Commerce Development
Co-built Pinoy Global Supply, a B2B e-commerce platform using Next.js and Laravel. Experienced in payment gateway integration (Stripe Connect), inventory management, and complex e-commerce workflows.
Security & Infrastructure
Led VAPT remediation projects addressing SQL injection, XSS, and RCE vulnerabilities. Managed server infrastructure with Vultr, CloudPanel, Docker, and AWS EC2. Implemented Fail2Ban, WAF configurations, and forensic security investigations.
Database Management
Expert in MySQL database design, optimization, and management. Executed large-scale database operations, migration projects, and complex query optimization for high-volume educational systems.
DevOps & Deployment
Managing production servers, CI/CD pipelines with GitHub Actions, Docker containerization, and multi-site deployments. Experience with cPanel/WHM, CloudPanel, and PHP version management across multiple domains.
Featured Projects
Showcasing major platforms and solutions built from the ground up
School Management System
Multi-tenant web-based School Management System serving 40+ educational institutions across the Philippines. Comprehensive platform covering all aspects of school operations from enrollment to payroll.
- Enrollment and student registration modules with document tracking
- Financial management: billing, cashier, student ledger, collection tracking
- HR & Payroll system with SSS/PAG-IBIG/PHILHEALTH deductions
- RFID-based attendance system with tapping stations
- PDF/Excel report generation for finance and registrar modules
- Multi-tenant architecture supporting 40+ independent school instances
Pinoy Global Supply
Co-developed a B2B e-commerce platform connecting Philippine suppliers with international buyers. Full-stack solution with separate API and frontend deployments.
- Next.js frontend with server-side rendering for optimal performance
- Laravel REST API backend with comprehensive business logic
- Stripe Connect integration planning for multi-vendor payments
- CloudPanel deployment with PM2 process management
- Nginx reverse proxy configuration and CORS handling
- Product catalog, inventory, and order management systems
OzBiz Network
Complete WordPress site for Australian business network with custom plugins, booking system integration, and interactive business tools.
- Custom mentor profiles plugin (v3) with advanced filtering and search
- BookingPress Pro integration for mentor appointment scheduling
- Interactive Business Health Check Calculator with dynamic scoring
- Custom discussion/forum plugin for mentor-mentee communication
- Multi-step registration forms with conditional logic and validation
- Responsive design with Elementor Pro customization and mobile optimization
Skills & Technologies
Comprehensive technical skillset built through 6+ years of professional development
💻 Backend Development
🎨 Frontend Development
🔌 WordPress Ecosystem
🔧 DevOps & Infrastructure
🛡️ Security & Performance
🛠️ Tools & Version Control
Professional Experience
Full Stack Developer
Building and maintaining multi-tenant School Management Systems deployed across 40+ educational institutions. Developed comprehensive modules for enrollment, payroll, HR, billing, student ledger, document tracking, and RFID-based attendance. Enhanced financial modules including payroll computation, salary processing, and automated report generation. Collaborated directly with school administrators to implement system improvements and deliver user-focused solutions.
WordPress Developer
Designed and maintained client websites using WordPress and Elementor Pro, including projects for international clients such as OzBiz Network (Australia). Built custom plugins for mentor profiles, multi-step registration forms, BookingPress integrations, and interactive business calculators. Delivered responsive, SEO-optimized sites with advanced functionality tailored to client needs.
Co-Developer
Co-built a B2B e-commerce platform (pinoyglobalsupply.com) using Next.js frontend and Laravel API backend. Deployed on Vultr with CloudPanel infrastructure. Handled CORS configuration, PM2 process management, Nginx vhost setup, and Stripe Connect integration planning. Responsible for both frontend and backend development, deployment, and ongoing maintenance.
Notable Achievements
Security Remediation Lead
Led comprehensive VAPT security remediation project for School Management System codebase, addressing SQL injection, RCE via file upload, XSS, and source code disclosure vulnerabilities across multiple school deployments.
Forensic Investigation
Investigated and resolved live server security breach involving malware injection into Laravel public/index.php and student upload directories. Performed full forensic log analysis, cleanup, and implemented hardening measures.
PHP Migration Project
Managed PHP version migration across cPanel/WHM server hosting 40+ school sites. Implemented per-domain PHP version management to avoid breaking legacy PHP 7.2/7.3 applications while upgrading newer deployments.
Database Optimization
Executed large-scale database cleanup task involving safe batch deletion of ~35 million zero-amount rows from transaction tables without locking production databases, ensuring zero downtime.
Development Tools Setup
Set up GitHub Copilot Business for CK-PUB-DEV organization (5 seats) and configured Cloudflare Email Routing with Gmail 'Send mail as' for professional client communication, improving team productivity.
Infrastructure Management
Managed dedicated Vultr server infrastructure hosting 40+ school sites with CloudPanel, implementing Fail2Ban, WAF configurations, Docker deployments, and AWS EC2 database separation strategies.
Let's Work Together
I'm available for freelance projects, consulting, and full-time opportunities. Whether you need a custom WordPress plugin, a Laravel application, or help with your e-commerce platform, let's discuss how I can help bring your vision to life.