Thomas Shellberg is a founder and full-stack JavaScript engineer based in Hamburg with a decade of experience building consumer and commerce products. He founded unQuest, a mobile app for screen addiction, and engineered a guest-enabled onboarding that achieved over a 70% completion rate. At Automattic he was a core contributor to the WordPress.com AI Site Builder and Woo AI features—work that produced a 10–20% lift in onboarding conversion and is projected to add millions in revenue. An active open-source contributor to WooCommerce and the official Stripe gateway, he has shipped AI writing tools, tone controls, React-based settings, and introduced React Testing Library coverage to improve quality and maintainability. He combines product instincts with pragmatic engineering and prefers teams that value curiosity and clear async communication.
The official Stripe Payment Gateway for WooCommerce
Role in this project:
Full-stack Developer
Contributions:51 reviews, 17 commits, 8 PRs in 2 years 7 months
Contributions summary:Thomas primarily contributed to the front-end components of the WooCommerce Stripe payment gateway. They implemented a React-based settings wrapper for UPE, including initial setup and a basic settings manager. Furthermore, the user addressed dependencies for script enqueueing and resolved an issue related to WP dependencies. These changes indicate a focus on modernizing the payment gateway's settings interface.
A customizable, open-source ecommerce platform built on WordPress. Build any commerce solution you can imagine.
Role in this project:
Full-stack Developer
Contributions:111 reviews, 2 commits, 44 PRs in 1 day
Contributions summary:Thomas significantly contributed to the Woo AI plugin within the WooCommerce platform. Their work included adding new features such as a "Write With AI" button for product short descriptions and integrating a tone of voice option for AI-generated content. They also refactored settings pages and fixed saving bugs related to the Woo AI plugin, demonstrating proficiency in both front-end and back-end aspects of the project. Furthermore, the user introduced testing with React Testing Library and addressed regressions, enhancing code quality and maintainability.
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