Jesus Manuel Hernandez Zozaya

Senior Software Engineer @PayPal

Full Stack Developer proficient in JavaScript/TypeScript, React and NodeJS with thorough knowledge of NextJS, Redux and backend technologies.

About Me

I define myself as a Senior Full Stack Software Engineer, proficient in JavaScript/TypeScript, React and NodeJS; with thorough knowledge of NextJS, Redux and backend technologies like .Net, and Java. I have worked with Firebase, AWS and Google Cloud.

`I'm passionate about building scalable, performant web applications with clean, maintainable code. My experience spans from frontend development to backend services, with a focus on creating exceptional user experiences.`

Frontend Development

Building responsive, accessible, and performant user interfaces with React, TypeScript, and modern JavaScript frameworks.

Full Stack Expertise

Creating end-to-end solutions with React, NodeJS, and various backend technologies to deliver complete applications.

Technical Leadership

Guiding engineering decisions, planning architecture, and coordinating with business stakeholders to deliver successful products.

Professional Experience

Senior Software Engineer (MTS 1)

Apr 2023 - Present
PayPal

Worked and architected new solutions for the Digital Wallet team within PayPal, which oversees adding cards, adding banks and transferring funds within PayPal globally.

Created, with a multidisciplinary team, a new way to add a card on PayPal web, supporting all markets globally and giving the ability to any consumer team to add a card as a plug and play experience, increasing the performance by 2x and revamping the client-side architecture.

Architected the APIs and client-side views for transferring funds on a new cross functional project called Money Pools, where customers could create pools of money to share with friends, winning new customers and bringing +30M on Total Payments Volume.

Technologies:ReactTypescriptNextJSReduxNodeJSJenkinsGithub

Front End Tech Lead

Mar 2021 - Apr 2023
AutoZone

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%.

Technologies:ReactTypescriptNextJSReduxNodeJSJenkinsGitlabTanStack-query

Systems Engineer

Oct 2021 - Apr 2023
AutoZone

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.

Technologies:ReactTypescriptNextJSReduxNodeJS

Systems Engineer Assoc

Aug 2020 - Oct 2021
AutoZone

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.

Technologies:ReactJavaScriptReduxNodeJS

Software Developer

Jun 2018 - Aug 2020
Ellucian

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).

Technologies:ReactTypescriptASP.Net MVC 5SQL ServerJenkins

Software Developer

Aug 2017 - Jun 2018
Caribbean Sky Tours

Implemented custom cloud-based tools for the business, based on AWS.

Developed a continuous Delivery Pipeline with 4 stages: Source, Build, Test and Deploy.

Technologies:AWSLaravelMySQL

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

JavaScriptTypeScriptReactReduxNextJSHTML5CSS/SCSSTailwind CSSMaterial UIReact QueryTanStack QueryStyled Components

Languages

English C1 BULATS / 571 TOEFLSpanish (Native)

Major Projects

Embeddable Add Card
Created a new way to add a card on PayPal web, supporting all markets globally and giving the ability to any consumer team within PayPal to add a card as a plug and play experience.
ReactTypeScriptNextJSRedux
MoneyPools
Architected the APIs and client-side views for transferring funds on a new cross functional project called Money Pools, where customers could create pools of money to share with friends.
ReactTypeScriptNodeJSAPIs
COSESY
Created a real-time Cow Sensing System that monitored the activity of a cow. Developed the backend using NodeJS and MongoDB; frontend using AngularJS.
NodeJSMongoDBAngularJSSocket.ioAWS

Get In Touch

Interested in working together? Feel free to reach out through any of these channels.

Email

jesus.herzo@outlook.com

LinkedIn

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GitHub

Check out my code

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+52 222 522 5414