Giselle Hernandez

Developed and maintained flagship financial fraud prevention platform, Informant, for detecting and tracking fraudulent activities. Enhanced core features using PHP and Symfony to support high-volume transaction processing. Refactored legacy front-end architecture with Marionette.js and Backbone for improved maintainability. Collaborated with product, QA, and compliance teams to ensure system reliability and regulatory compliance. Managed source control and deployment pipelines through Git. Optimized application performance and scalability through continuous code improvements.

Joined the Breach Quest team to help build a new product for the company. Helped maintain, enhance, and build the front end for a new company product. Used React, working closely with the Product Owner to ensure features and designs were consistently introduced into the codebase. Helped create unit tests for custom React components using the Jest testing framework.

Utilized Astro Space UX Design System to build and improve existing user interfaces for satellite communications. Add back-end functionality to support changes made to the front-end. Helped manage and support a mature codebase built on React and TypeScript.