Public Profile
Kosta Stamboldzhiev
WordPress / WooCommerce developer (PHP, MySQL, JavaScript/TypeScript, Node.js), freelance since 2022. Focus: store speed and technical SEO. I measure first, then fix, with a backup before every change and an order test after each.
Measured results on a 6,600-product Bulgarian WooCommerce store: cold server response 24 s to under 2 s; CSS 648 KB to ~50 KB; CLS 0.60 to 0.00; zero downtime; 479-item Yoast SEO migration with no lost URLs.
Portfolio with measured case files: mantra-gazebo-y93z.here.now
Education: TU Sofia, B.Sc. Information Technologies (final year, graduating 2026). Languages: Bulgarian (native), English (fluent), German and Spanish (conversational). Remote, ~20 h/week, EU hours.
Measured results on a 6,600-product Bulgarian WooCommerce store: cold server response 24 s to under 2 s; CSS 648 KB to ~50 KB; CLS 0.60 to 0.00; zero downtime; 479-item Yoast SEO migration with no lost URLs.
Portfolio with measured case files: mantra-gazebo-y93z.here.now
Education: TU Sofia, B.Sc. Information Technologies (final year, graduating 2026). Languages: Bulgarian (native), English (fluent), German and Spanish (conversational). Remote, ~20 h/week, EU hours.
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