● Built role-based permissions for vacation request approvals. ● Developed a feature flag for automated payroll receipt delivery. ● Migrated stamping system from CFDI 3.3 → 4.0. ● Resolved critical production issues using Rails console.

● Led implementation of cybersecurity training for both the team and platform, raising security awareness and skill levels. ● Integrated the Brakeman gem to perform static security scans and detect vulnerabilities in Rails code—such as SQL injection, XSS, and mass assignment. ● Designed and developed a “Copropiedad” investment using Rails + Hotwire. ● Improved email notifications and content management. ● Added USD/MXN support for projects with foreign currency returns.

● Integrated U.S. payment methods via Checkbook, enabling Real-Time Payments (RTP), Wire transfers, and FedNow. ● Ensured instant settlement through RTP and FedNow rails, available 24/7/365—optimizing transaction speed, reliability, and resilience.

● Backend with Rails & JavaScript; frontend with Tailwind, Hotwire, Slim. ● Built and maintained Laravel + Vue.js apps with multi-language support. ● Implemented TDD with RSpec. ● Familiarity with tools such as Composer, PHPUnit, and Git, and the ability to use these tools to improve code quality and team efficiency. ● Developed and maintained web applications using Laravel and Vue.js. ● Implemented multi-language support using Laravel Localization to cater to a global audience, resulting in an increase in user engagement and customer satisfaction.

● Backend development with Rails and JavaScript. ● Designed user-friendly frontends with HTML/CSS and Bootstrap. ● Developed Shopify eCommerce sites with Liquid.