8 systems delivered for companies across three roles between 2023 and 2026. The source code belongs to the clients, so what is documented here is the scope and the outcome.
Fullstack Developer
Interbank messaging, inventory platforms and content management for corporate clients.
Evolved a React site (from Figma designs) into a fully manageable platform with a custom Filament CMS, TanStack Query caching, role & permission system and skeleton loading for a smoother UX.
Platform for an exclusive Chivas Regal event: age validation, pseudo-random guest code generation, QR generation/reading, automated email delivery and a PWA for staff working with limited connectivity.
Inventory platform for Thomas Greg & Sons handling Colombian electoral processes: role/permission system segmented by municipality, optimized SQL views, dynamic dashboards and full traceability.
Hybrid React + Laravel inventory system with a Filament admin panel: merchandise inflow/outflow management, reporting, role module and QR-based vehicle identification.
Fullstack Developer
NestJS microservices over a shared PostgreSQL database, and electronic invoicing for the Colombian market.
Maintained and evolved five NestJS microservices over a shared PostgreSQL database: legacy refactoring, pagination, bulk-load queues, timezone-aware cron jobs and Swagger documentation.
Electronic invoicing middleware integrating with Colombian providers (Siigo, Alegra, SATCOM), with transaction logging, error handling and regulatory compliance for high-volume processing.
Backend Developer
Regional benefits and e-learning platforms on Laravel, with heavy SQL reporting.
Backend for a regional corporate benefits platform across 5+ Latin American countries: scalable Laravel architecture, complex MySQL/PL-SQL reporting, design patterns and automated cron jobs.
Evolved an educational platform with international clients in Spain: Laravel backend, Orchid admin panel, custom Moodle plugin and Cloudinary integration for multimedia content.
Personal and open source projects are on the other page, with a timeline of what I built and when.