Jonathan Sadowski
Code Wrangler at Automattic
Oak Creek, Wisconsin, United States
Summary
🤩
Rockstar🎓
Top SchoolJonathan Sadowski is a seasoned Code Wrangler with 12 years of experience building scalable back-end systems and social platform integrations, currently engineering at Automattic. He excels in designing RESTful APIs, LAMP-stack services, and robust third-party integrations—especially around Facebook and other social platforms—where he has shipped production features and scaling improvements. His open-source contributions include front-end enhancements to WordPress.com’s Calypso and backend fixes for WooCommerce and Jetpack, focusing on checkout flows, API versioning, and reliable order processing. Jonathan has a proven track record launching social products quickly (e.g., a Facebook app and the Countdown app) and architecting a gifting MVC and REST API used by major retail partners. Comfortable bridging product and ops, he brings both hands-on coding and pragmatic scaling/security sensibilities from startups to large platforms. Based in Oak Creek, WI, he combines creative problem-solving with a strong focus on email deliverability, SEO, and real-world integrations that keep users and partners happy.
12 years of coding experience
7 years of employment as a software developer
Computer Science, Computer Science at University of Wisconsin-Milwaukee
Stackoverflow
31reputation
1kreached
2answers
0questions
Github Skills (24)
woocommerce10
unit-testing10
javascript10
apidoc10
ecommerce10
testing10
jes10
plugin-development10
wordpress10
redux10
php10
api10
jestjs10
jtest10
rest-api10
Programming languages (5)
Github contributions (5)
woocommerce/woocommerce
Apr 2020 - Jan 2023
A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:90 releases, 639 reviews, 636 commits in 2 years 9 months
Contributions summary:Jonathan primarily contributed to the back-end functionality of the WooCommerce platform. Their work included fixing order processing logic, specifically in the area of attribute handling during cart operations. They addressed issues with how product variations were loaded and attributes were merged, ensuring that correct product attributes are applied during order processing. Furthermore, they updated the unit tests to accommodate these changes, increasing the robustness of cart operations.
ecommercecommercewordpressautomatticphp
Automattic/wp-calypso
Jan 2016 - Mar 2020
The JavaScript and API powered WordPress.com
Role in this project:Front-end Developer
Front-end DeveloperContributions:1 review, 167 commits, 379 PRs in 4 years 2 months
Contributions summary:Jonathan was focused on enhancing the eCommerce signup flow within the WordPress.com platform. They implemented new features to limit plan options, added tests, and refined the user interface for plan selection. The user also worked on email verification notices, adding resend functionality and improving the checkout thank you page. The work also included adding, testing and modifying the import process steps.
apireactwordpressjavascriptes6
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