About Me
I am passionate about building, maintaining, and scaling performant web applications with clean code. My work spans the entire lifecycle—from architecting client-side interactions to service definition and backend design. With a strong foundation in frontend development and extensive full-stack experience, I thrive at the intersection of technical depth and product impact. I enjoy leading teams, mentoring engineers, and collaborating with cross-functional stakeholders to deliver high-quality products that delight users and drive business success.
Building responsive, accessible, and performant user interfaces with React, TypeScript, and modern JavaScript frameworks.
Creating end-to-end solutions with React, NodeJS, and various backend technologies to deliver complete applications.
Guiding engineering decisions, planning architecture, and coordinating with business stakeholders to deliver successful products.
Professional Experience
Senior Software Engineer (MTS 1)
Senior Full Stack Engineer and lead on the Digital Wallet team, overseeing card management, bank linking, and fund transfers related operations for PayPal's 400M+ global user base.
Led the Digital Wallet team's integration into PayPal's federated super graph architecture, powering the next-generation iOS and Android app for 400M+ users. Drove adoption of a server-selected components pattern that reduced data-fetching latency by 2x, guiding 20+ engineers and team leads through the implementation.
Engineered the GraphQL layer and Next.js UI flows for a confidential next-generation in-device wallet initiative targeting a tier 1 software company. Delivered the end-to-end card provisioning experience including security compliance flows with Visa and Mastercard.
Architected the client-side and API layer for Money Pools, a cross-functional fund-sharing product that drove +$30M in Total Payment Volume.
Co-led the rebuild of PayPal's global add card experience on web, delivering a plug-and-play architecture used across all markets with 2x performance improvement.
Front End Tech Lead
Guided the frontend engineering decisions for the Customer team inside autozone.com. Planned new work, architecture of new features, coordination with business, releasing new versions to production and communication with stakeholders.
Designed and developed with the customer team, the frontend implementation of the key products recommendation feature inside a product details page. This feature increased weekly sales by 20%.
Systems Engineer
Enhanced and created complex frontend flows as well as new features for autozone.com. Improving flows like sign in, create account, rewards program, and orders history.
Refactored a whole suite of react components to use the hook pattern, reducing complexity, moving away from class components, removing boilerplate code, and reducing overall file size.
Systems Engineer Assoc
Designed and implemented new features for the Customer team inside autozone.com. Worked on the refactor of the profile page, reducing code complexity, making it mobile first and increasing overall load speed.
Software Developer
Developed custom UI interfaces with different levels of complexity and backend services for web-based applications.
Helped to improve the frontend development flow related to code transpilation with webpack and linting enhancements for standardization.
Implemented and contributed to a proprietary React Component Library (based on Material UI) and integrated a complete proprietary Design System (which included a theme palette, images, and wording guides).
Education
Instituto Tecnologico y de Estudios Superiores de Monterrey (ITESM)
B.S. Robotics and Digital Systems Engineering
Graduated with honorable mention of excellence in 2017
GPA: 95/100
Technical Skills
Languages
Major Projects
Get In Touch
Interested in working together? Feel free to reach out through any of these channels.
jesus@jmherzo.com