Javier Emmanuel Mercedes

Led backend development for multiple projects using Filament PHP and Laravel Livewire; contributed to the architecture of the NFT game Knight's of the Ether, implementing NestJS and Socket.IO for real-time multi-client validation. Built Firebase-backed services (Storage, Authentication, Cloud Functions, Messaging, Firestore) and deployed APIs with Laravel Forge on AWS or Digital Ocean. Automated server configuration and deployments with CapRover and Docker. Implemented API-only backends for mobile apps and admin dashboards, with Laravel Passport for OAuth2/JWT, and explored MCP servers connecting to AI editors to accelerate development.

Led backend development using Filament PHP for admin panels (Livewire, custom components); helped architect backend infrastructure for a NFT game 'Knights of the Ether' using NestJS and Socket.IO for multi-client real-time validation of assets; implemented Firebase as a complete backend (Storage, Cloud Functions, Authentication, Messaging, Firestore); deployed most projects via Laravel Forge on AWS or Digital Ocean; used CapRover for Docker-based deployments; built API-only backends for mobile apps and admin dashboards with Laravel Passport (OAuth2/JWT); created MCP servers that connect to AI editors to speed up development tasks.

Migrating old PHP 5 sites to Aurelia and connecting them to an internal API, refactoring and ensuring code security and stability throughout the process.