Greg Jopa
Senior Staff Software Engineer at PayPal
Downers Grove, Illinois, United States
Summary
🤩
Rockstar🎓
Top SchoolGreg Jopa is a Senior Staff Software Engineer with 15 years of experience building maintainable, user-focused web applications and SDKs, currently leading web SDK development for merchants and partners at PayPal. He combines hands-on front-end expertise—contributing UI improvements and IE11 compatibility fixes to the widely used PayPal Checkout components—with leadership experience managing developer relations, documentation, and SDK platforms. Greg has driven modern stacks in diverse industries, from Elixir-based systems at Cars.com to data-visualization and Node/Ember apps at YP, and pairs his technical depth with a MS in Internet Application Development. Known for pragmatic engineering and a focus on long-term maintainability, he brings both individual contributor chops and experience scaling teams and developer-facing products.
15 years of coding experience
13 years of employment as a software developer
Bachelor of Science Business Information Systems, Bachelor of Science Business Information Systems at Illinois State UniversityMaster of Science Information Systems - Internet Application Development, Master of Science Information Systems - Internet Application Development at Illinois State University (Graduate)
Stackoverflow
425reputation
34kreached
1answer
9questions
Github Skills (20)
javascript10
ui-design10
uid10
front-end-development10
frontend10
react10
testing9
compatible9
backward-compatibility9
testng9
compatibility9
code-coverage8
maps6
css-position6
audio6
Programming languages (9)
Github contributions (5)
paypal/paypal-checkout-components
Jun 2020 - Dec 2022
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:304 reviews, 200 commits, 211 PRs in 2 years 6 months
Contributions summary:Greg primarily contributed to the front-end components of the PayPal checkout, focusing on UI improvements and bug fixes. Their work involved collecting code coverage metrics using Karma and fixing compatibility issues by removing deprecated JavaScript features such as `Array.prototype.includes` for IE11 support. The user also contributed to release tasks.
paymentsreactiframejavascriptcheckout
WhiteRabbitVintageMarket/whiterabbitvintagemarket.github.io
Nov 2023 - Feb 2025
Contributions:75 PRs, 91 pushes, 74 branches in 1 year 3 months
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