Available to hire
Hi, I’m Giselle Hernandez, a senior software engineer with over 15 years of experience. I’m passionate about building forward-thinking solutions to tomorrow’s productivity challenges.
I’m known for my hardworking, adaptable approach to solving problems, and I bring strong analytical and critical-thinking skills to every project. I thrive in collaborative environments and enjoy turning complex requirements into reliable software.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
Spanish; Castilian
Fluent
English
Fluent
Work Experience
Senior Software Engineer at ToolCASE
October 1, 2023 - December 1, 2025Developed 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.
Senior Front End Engineer at Break Quest
January 1, 2021 - January 1, 2022Joined 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.
Senior Software Engineer at Parsons Corporation
January 1, 2020 - January 1, 2021Utilized Astro Space UX Design System to build and improve existing user interfaces for satellite communications. Added back-end functionality to support changes made to the front-end. Helped manage and support a mature codebase built on React and TypeScript.
Senior Software Engineer at GeoPhy
January 1, 2019 - January 1, 2020Worked with the team to deliver software that provided data-driven value assessments for multifamily real estate assets. Used Laravel and VueJS to deliver a cohesive UI & UX experience.
Web Developer at RapidVisa
January 1, 2013 - January 1, 2014Helped implement improved CEO practices by enabling schema markup. Developed a custom WordPress plugin that allowed the back-end to interact with data generated by WordPress. The back-end gathered user information to pre-populate government form data. Added custom methods to the plugin to display reports on user registration on the WordPress dashboard, providing a snapshot of the last 24 hours of activity on the site.
Senior Web Developer at Sony Corporation
January 1, 2003 - January 1, 2005Created interactive web content, maintained online distributor information, service center, and installation directories. Monitored and reported on web traffic to verify how offline marketing efforts affected online traffic. Translated content and helped maintain the corporate website.
Software Engineer at Parsons Corporation
January 1, 2020 - January 1, 2021Utilized 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.
Education
Bachelor of Science in Computer Science at Inter-American University of Puerto Rico, Bayamon
January 11, 2030 - June 1, 2002Bachelor of Science in Computer Science (credits completed) at Inter-American University of Puerto Rico, Bayamón, Puerto Rico
January 11, 2030 - December 9, 2025Qualifications
Industry Experience
Software & Internet, Professional Services, Government
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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