smmarcin
Freelance Full Stack WordPress & WooCommerce Developer at ms-m.pl
@smmarcin Warsaw, Poland joined Nov 2026
Current Job
Freelance Full Stack WordPress & WooCommerce Developer
Present
ms-m.pl · Freelance
Freelance developer building and maintaining WordPress and WooCommerce projects for agencies and direct clients. Custom themes and plugins in plain PHP, Gutenberg blocks, headless WordPress with Next.js (ACF, WPGraphQL). WooCommerce work: cart and checkout customization, product configurators, WooCommerce Subscriptions, Stripe, ERP and SMS integrations. Long-term maintenance of production stores, technical SEO, Core Web Vitals, server setup and security.
Key Accomplishments
Long-term maintenance and development of two production WooCommerce stores (2+ years each), plus takeovers of large existing WooCommerce projects from other developers.
Implemented WooCommerce Subscriptions in 4 stores and built integrations with an ERP system (Enova), SMS gateways and marketing automation tools.
Author of Delivery Table for Flexible Shipping, an open source WooCommerce plugin (GitHub) that generates a delivery cost table from Flexible Shipping rules.
Author of Ship Today & Delivery Dates for WooCommerce, a free plugin for shipping cutoff and delivery date notices in WooCommerce stores (submitted to the WordPress.org plugin directory).
Recent impact
Score weights high-impact work (commits, releases, approved translations, props) at 3x routine activity.
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