Katarzyna Karska
Freelance Shopify & eCommerce specialist with 8+ years of hands-on experience operating and optimizing online retail businesses.
About
Freelance Shopify & eCommerce specialist with 8+ years of hands-on experience operating and optimizing online retail businesses. Strong background in Shopify store customization, landing page design, conversion rate optimization, and hands-on marketplace and webshop operations.
Currently building responsive Shopify and PageFly-based stores and landing pages using Liquid, HTML, and CSS, while expanding technical eCommerce skills. Also has experience across customer service, order fulfillment, logistics coordination, inventory management, and website content/online merchandising.
- 13 years' experience
- Joined October 2025
Languages
- PolishFluent
- EnglishAdvanced
- DutchIntermediate
Industry experience
- Software & Internet
- Retail
- Professional Services
- Transportation & Logistics
- Consumer Goods
- Education
Work experience· 8 roles
Designed and customized Shopify stores and landing pages. Built responsive e-commerce pages using Shopify and PageFly. Customized store layouts using Liquid, HTML, and CSS. Created and managed Shopify test stores for practical e-commerce skills, focusing on user experience, responsive design, and conversion-oriented layouts. Continually expanded Shopify development and e-commerce expertise.
Designed and customized Shopify stores and landing pages, building responsive e-commerce pages using Shopify and PageFly. Customized store layouts with Liquid, HTML, and CSS. Created and maintained Shopify test stores to develop practical e-commerce skills, with a focus on user experience, responsive design, and conversion-oriented layouts. Continually expanded Shopify development and e-commerce expertise.
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.
Education
Certifications and awards
Hire Katarzyna Karska today
Post a job and invite Katarzyna, or contact them directly. No hidden commission.




