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I'm Katarzyna Karska, a junior Shopify and theme developer based in the Netherlands. I build clean, maintainable storefronts using Liquid, HTML5, CSS3, and JavaScript, with a focus on UX, accessibility, and performant front-end components. I own and manage a Shopify-focused portfolio and run live stores to test solutions in production environments. I'm actively seeking remote-friendly opportunities in international teams.…I'm Katarzyna Karska, a junior Shopify and theme developer based in the Netherlands. I build clean, maintainable storefronts using Liquid, HTML5, CSS3, and JavaScript, with a focus on UX, accessibility, and performant front-end components. I own and manage a Shopify-focused portfolio and run live stores to test solutions in production environments. I'm actively seeking remote-friendly opportunities in international teams.

Katarzyna Karska

Web Developer, Front-End Developer, Full Stack Developer, +2

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I'm Katarzyna Karska, a junior Shopify and theme developer based in the Netherlands. I build clean, maintainable storefronts using Liquid, HTML5, CSS3, and JavaScript, with a focus on UX, accessibility, and performant front-end components. I own and manage a Shopify-focused portfolio and run live stores to test solutions in production environments. I'm actively seeking remote-friendly opportunities in international teams.…I'm Katarzyna Karska, a junior Shopify and theme developer based in the Netherlands. I build clean, maintainable storefronts using Liquid, HTML5, CSS3, and JavaScript, with a focus on UX, accessibility, and performant front-end components. I own and manage a Shopify-focused portfolio and run live stores to test solutions in production environments. I'm actively seeking remote-friendly opportunities in international teams.

Available to hire

I’m Katarzyna Karska, a junior Shopify and theme developer based in the Netherlands. I build clean, maintainable storefronts using Liquid, HTML5, CSS3, and JavaScript, with a focus on UX, accessibility, and performant front-end components.

I own and manage a Shopify-focused portfolio and run live stores to test solutions in production environments. I’m actively seeking remote-friendly opportunities in international teams.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

Dutch

Intermediate

Work Experience

Shopify Developer (Self-Employed) at Bit of Jam

January 1, 2025 - Present

Developing custom Shopify themes and sections using Liquid, HTML5, CSS3, and JavaScript; building reusable OS 2.0 sections; testing features directly in live Shopify stores; maintaining clean, accessible, and performance-focused code; documenting implementations on GitHub as part of a developer portfolio.

Shopify Developer at Albert Heijn

October 1, 2023 - February 1, 2026

Developing custom Shopify themes and sections using Liquid, HTML5, CSS3, and JavaScript; building reusable OS 2.0 sections (homepage components, product showcases, content blocks); testing and refining features directly in live Shopify stores; maintaining clean, accessible code; documenting implementations on GitHub as part of a developer portfolio.