Career / Experience
Hands-on engineering.
Shared direction.
15+ years in frontend and platform engineering, with experience at Oracle, ESPN / Disney and American Express.
Oracle
Principal Member of Technical Staff
01/2026 – Present
- Provide technical direction, mentoring, code review and cross-team delivery for Oracle’s EHR Messaging Center.
- Authored an AI engineering playbook and delivered Codex training for coding, testing and documentation.
- Developed and delivered practical AI training covering AI fundamentals, prompt design, API integration, agent workflows and engineering best practices.
- Re-architected E2E test automation using AI-assisted development.
ESPN / Disney
Lead Software Engineer
08/2024 – 01/2026
- Led sportsbook feature delivery using React, TypeScript and Node.js with Product, Design and engineering partners.
- Contributed component injection, routes, context providers and React Server Components rendering to the shared web platform.
- Built and maintained reusable platform libraries and contributed performance improvements.
- Mentored engineers on modern React, TypeScript and testing practices.
American Express
Senior Engineer II
12/2018 – 07/2024
- Developed 30+ customer-facing React components across cardmember dashboard and savings/checking products.
- Reduced dashboard load time by four seconds through SSR and frontend optimization.
- Mentored 10+ engineers through feedback, technical guidance and growth conversations.
- Led feature delivery and partnered with Product and Design on scope, planning and release coordination.
Engineer I
09/2017 – 12/2018
- Built and maintained React interfaces and reusable components for cardmember experiences.
- Contributed testing, delivery coordination and production maintenance.
Engineer II
09/2015 – 09/2017
- Contributed to the cardmember platform migration and customer-facing frontend features.
- Worked on dashboard rendering, API integration and production support.
Component, mentoring and performance figures are historical résumé claims for American Express. The load-time measurement has not been reproduced here.
iGATE
Java UI Developer
11/2014 – 09/2015
- Created internal websites for company vendors providing product and service information.
- Developed map application using Java, JSF, Servlets integrated with Google Maps API.
- Built mapping features integrated with the Chubb ecosystem, helping vendors visualize client and company locations.
Systems USA
Java UI Developer
01/2013 – 10/2014
- Led frontend development for the Virginia Case Management System as a Deloitte consultant.
- Built eligibility interfaces with JSP, HTML, CSS, jQuery and AJAX backed by Java and Oracle DB.
Softtek
Java UI Developer
01/2011 – 12/2012
- Developed Java applications and web interfaces for GE Treasury.
- Optimized Oracle database interactions and coordinated feature delivery as technical project manager.
Radycal Systems
Web Developer
10/2010 – 12/2011
- Led development of a school management platform using PHP, AJAX, JavaScript, HTML and MySQL.
- Built student, teacher and class management features.
- Created student grade reports by class.
Nettours
Web Developer
11/2009 – 10/2010
- Developed booking website and workflows for Nettours, enhancing online experience for customers.
- Built features using PHP, Ajax, JavaScript, HTML, CSS and MySQL.
Education
Bachelor’s Degree, Systems Engineering
ITESO · 2004–2010
Recognition
Chairman's Award
American Express · 02/2018
Employee Outstanding Year Performance
Languages
Spanish (native) · English (fluent) · Portuguese (intermediate) · French (intermediate)