JUSTINA

Shopify Ecommerce Developer & Problem Solver

Problem Solver Studio's • Freelance

Dec 2025 - Present • 10 mos

Worked on Shopify ecommerce development, technical troubleshooting, bug fixing, theme customization, Liquid development, store optimization, and website maintenance. Focused on helping Shopify merchants resolve technical problems and improve the functionality and customer experience of their online stores. Handled Shopify theme customization, Shopify 2.0, Liquid templates, custom sections, snippets, product pages, collection pages, navigation, cart functionality, responsive layouts, mobile optimization, and ecommerce storefront improvements. Troubleshot Shopify bugs and errors involving Liquid code, HTML, CSS, JavaScript, theme settings, app conflicts, third-party integrations, broken sections, layout problems, product display issues, collection issues, cart problems, checkout-related problems, and mobile responsiveness. Also worked on Shopify store optimization, website performance, page speed, product page optimization, ecommerce UX, conversion-focused improvements, and ongoing technical maintenance. Used a problem-solving approach focused on identifying the cause of an issue, implementing an appropriate solution, and testing the store after changes. Shopify ecommerce developer / Shopify developer / Shopify bug fix / Shopify error fix / Shopify troubleshooting / Shopify theme developer / Shopify theme customization / Shopify Liquid / Shopify Liquid coding / Shopify 2.0 / Shopify HTML / Shopify CSS / Shopify JavaScript / Shopify responsive design / Shopify mobile optimization / Shopify cart / Shopify checkout / Shopify product page / Shopify collection page / Shopify app integration / Shopify app troubleshooting / Shopify store optimization / Shopify speed optimization / Shopify website maintenance / Shopify technical support / ecommerce development / ecommerce troubleshooting / ecommerce website

Shopify Technical Support & Troubleshooting Specialist

Troubleshooting Central • Freelance

Mar 2024 - Present • 2 yrs 7 mos

Provided technical support and troubleshooting for Shopify ecommerce stores, helping identify and resolve website bugs, theme errors, Liquid issues, app conflicts, responsive design problems, cart issues, checkout problems, and other store functionality issues. Worked with Shopify themes, Shopify 2.0, Liquid, HTML, CSS, JavaScript, Shopify sections, snippets, templates, product pages, collection pages, navigation, cart functionality, and third-party applications. Diagnosed problems by reviewing affected store components and identifying the likely source of technical errors. Implemented targeted fixes and tested the results to ensure the affected functionality worked correctly across desktop and mobile devices. Supported Shopify merchants with theme customization, store maintenance, mobile optimization, website performance, product page improvements, ecommerce UX, speed optimization, and conversion-focused improvements. Maintained a strong focus on resolving problems efficiently while preserving the store's existing appearance and functionality. Shopify technical support / Shopify support / Shopify troubleshooting / Shopify bug fixing / Shopify error fixing / Shopify developer / Shopify theme fix / Shopify Liquid / Shopify Liquid developer / Shopify 2.0 / Shopify theme customization / Shopify HTML / Shopify CSS / Shopify JavaScript / Shopify responsive fix / Shopify mobile fix / Shopify cart fix / Shopify checkout fix / Shopify app troubleshooting / Shopify app conflict / Shopify integration / Shopify store repair / Shopify website repair / Shopify store maintenance / Shopify speed optimization / Shopify ecommerce / ecommerce technical support

Shopify Customization & Bug Fix Specialist

Specialist Physiotherapy in Greater Manchester & Bolton • Freelance

Oct 2023 - Present • 3 yrs

Specialized in Shopify customization, Shopify theme editing, Liquid development, bug fixing, error troubleshooting, responsive design, ecommerce store improvements, and technical Shopify support. Helped solve technical and visual problems while customizing Shopify stores according to business and customer requirements. Worked with Shopify themes, Shopify 2.0, Liquid templates, sections, snippets, blocks, metafields, product pages, collection pages, homepage sections, navigation, headers, footers, cart layouts, and responsive components. Fixed Shopify theme bugs, Liquid errors, CSS problems, JavaScript issues, broken sections, layout inconsistencies, mobile responsiveness problems, product display errors, collection issues, cart problems, app conflicts, and third-party integration issues. Also supported store optimization through improved layouts, mobile usability, product page improvements, ecommerce UX, website performance, page speed optimization, and conversion-focused store improvements. Focused on making targeted changes without unnecessarily disrupting existing store functionality. Shopify customization / Shopify developer / Shopify bug fix / Shopify error fix / Shopify theme customization / Shopify Liquid / Shopify Liquid developer / Shopify 2.0 / Shopify theme editing / Shopify sections / Shopify snippets / Shopify metafields / Shopify HTML / Shopify CSS / Shopify JavaScript / Shopify responsive design / Shopify mobile optimization / Shopify product page / Shopify collection page / Shopify cart / Shopify checkout / Shopify app integration / Shopify API / Shopify store optimization / Shopify ecommerce / ecommerce development / Shopify website fix / Shopify troubleshooting