James Koster - Product Designer at Automattic

James Koster

Product Designer at Automattic

Peterborough, England, United Kingdom

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Summary

🤩

Rockstar

🎓

Top School

James Koster is a product designer with 14 years of experience specializing in front-end design, XHTML/CSS coding, and brand identity, currently shaping the WooCommerce ecosystem at Automattic. He co-founded and helped develop WooCommerce from its early days at WooThemes, and continues to contribute to high-profile open-source projects like WordPress Gutenberg and the official WooCommerce repositories. His work blends pixel-level UI polish with practical front-end engineering—updating React components, responsive CSS, RTL support, and iconography across themes and plugins. James runs his own site jameskoster.co.uk and has a long history of building and selling premium WordPress themes, demonstrating entrepreneurial instincts alongside product craft. Known for attention to visual detail and usability, he quietly influences the look-and-feel of millions of WooCommerce stores through theme and editor improvements. Based in Peterborough, England, he couples hands-on coding with design leadership to turn complex commerce interfaces into approachable experiences.

14 years of coding experience

National Certificate - Double Distinction Award, Multimedia, National Certificate - Double Distinction Award, Multimedia at South Birmingham College

Github Skills (15)

css10

wordpress10

woocommerce10

javascript10

front-end-development10

ui-design10

woocommerce-blocks10

gutenberg10

wordpress-plugin10

react10

ecommerce10

typography9

accessibility8

html6

php4

Programming languages (5)

TypeScriptCSSJavaScriptPHPHTML

Github contributions (5)

woocommerce/storefront

Aug 2014 - Jun 2017

Official theme for WooCommerce

Role in this project:

Full-stack Developer

Contributions:37 releases, 1055 commits, 112 PRs in 2 years 10 months

Contributions summary:James primarily worked on the front-end aspects of the "Storefront" theme, focusing on design and usability. The commits demonstrate changes related to styling and layout, including modifications to the header and cart elements. Additionally, the user addressed visual details such as font sizes, spacing, and the application of the "Storefront Orange" color.

cssautomatticphpwoocommercewordpress

woocommerce/woocommerce

Aug 2011 - Aug 2020

A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.

Role in this project:

Front-end Developer

Contributions:719 commits, 27 PRs, 139 pushes in 9 years

Contributions summary:James primarily focused on front-end development tasks within the WooCommerce Blocks and WooCommerce Admin projects. Their contributions involved style and icon updates, including changing icons from Material to Dashicons and removing chevrons. They also worked on UI improvements like updating search list item padding and radio alignment, along with modifying the appearance of featured products and welcome modal illustrations. These changes indicate a focus on improving the user interface and visual design of the WooCommerce platform.

ecommercecommercewordpressautomatticphp

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