Jon Mcintosh
Staff Software Engineer at eBay
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolJon Mcintosh is a Staff Software Engineer based in Berlin with 11 years building human-focused web products, particularly around React, design systems, and accessible user experiences. He has led design system efforts at N26 and ResearchGate and later architected the Web Payments SDK at Cash App, blending product strategy with hands-on engineering. At PayPal he contributed to the open-source Checkout SDK—adding payment methods and improving embedded button UX—demonstrating experience shipping widely used payments UI. Now a founding member of eBay’s German Development Center in Payments, he focuses on scalable front-end platforms for commerce. He’s known for translating design and accessibility goals into production-ready components and for mentoring teams to improve developer workflows and testing performance. A pragmatic polyglot, he pairs full-stack instincts with a preference for thoughtful, human-centered interfaces.
11 years of coding experience
12 years of employment as a software developer
Computer Technologies, Computer Technologies at MetroEd CCOC
English, German
Stackoverflow
1,263reputation
509kreached
23answers
6questions
Github Skills (16)
uid10
payment-integration10
payment-gateway10
javascript10
front-end-development10
ui-design10
react9
testing9
css8
html8
drag-and-drop6
twitter-bootstrap6
validation6
jquery6
ruby6
Programming languages (4)
Github contributions (5)
paypal/paypal-checkout-components
May 2018 - Jul 2019
please submit Issues about the PayPal JS SDK here: https://github.com/paypal/paypal-js/issues
Role in this project:
Front-end Developer
Front-end DeveloperContributions:2 releases, 71 commits, 113 PRs in 1 year 1 month
Contributions summary:Jon primarily contributed to the implementation of features and components for the PayPal checkout system. Their work involved adding support for new payment methods like SOFORT, including the configuration and integration of button elements and logos. They also focused on enhancing the button's functionality and display, such as supporting labels in different layouts, and ensuring proper UI rendering and validation. Additionally, the user addressed bugs and configuration issues related to the Venmo checkout.
jspaypal
mcntsh/use-utility-classes
Nov 2021 - Jan 2022
A hook for making classNames more reactive
Contributions:22 commits, 2 PRs, 44 pushes in 2 months
class-name
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