Experienced Shopify Developer specializing in Shopify theme customization, Shopify Liquid, bug fixing, performance optimization, and responsive eCommerce development. Has experience with WooCommerce to Shopify migration, custom sections, and app integrations. Serves as Director at XLOXI PVT LTD, delivering Shopify development, customization, migration, maintenance, UI improvements, and eCommerce solutions for business clients.

Sayanthan Sathyabalan

5.0 (1 review)

Experienced Shopify Developer specializing in Shopify theme customization, Shopify Liquid, bug fixing, performance optimization, and responsive eCommerce development. Has experience with WooCommerce to Shopify migration, custom sections, and app integrations. Serves as Director at XLOXI PVT LTD, delivering Shopify development, customization, migration, maintenance, UI improvements, and eCommerce solutions for business clients.

Available to hire

Experienced Shopify Developer specializing in Shopify theme customization, Shopify Liquid, bug fixing, performance optimization, and responsive eCommerce development. Has experience with WooCommerce to Shopify migration, custom sections, and app integrations.

Serves as Director at XLOXI PVT LTD, delivering Shopify development, customization, migration, maintenance, UI improvements, and eCommerce solutions for business clients.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate

Language

English
Advanced

Work Experience

Shopify App Developer at Offrefy
June 18, 2026 - Present
Developed Offrefy, a Shopify app for quantity breaks, volume discounts, bulk pricing and flexible promotional campaigns. Built scalable discount functionality for merchants who need advanced pricing rules and multiple active offers. App URL: https://apps.shopify.com/offrefy
Shopify App Developer at Approvefy
May 18, 2026 - Present
Developed Approvefy, a Shopify B2B customer registration and approval app with custom registration forms, manual and automated approval workflows, customer tagging, conditional logic and business account management features.
Shopify Developer at ABM Grossiste
November 16, 2025 - Present
Developed and customized a B2B wholesale Shopify store for food, beverages and everyday products. Worked on theme customization, custom Liquid development, product catalogue improvements, responsive design and functionality tailored for professional customers.
Shopify Developer at AJ Foods
October 17, 2025 - Present
Developed and customized a B2B Shopify eCommerce store for the food and wholesale sector. Worked on product catalogue structure, responsive design, custom Shopify functionality, usability improvements and performance optimization.
Shopify Developer at KritePro
February 19, 2025 - Present
Customized a B2B Shopify eCommerce store using the Enterprise theme with custom Liquid, HTML, CSS and JavaScript. Improved responsive design, usability, performance, product catalogue experience and custom wholesale functionality.
Shopify Developer at ShopRavi
September 9, 2024 - Present
Developed and customized a Shopify eCommerce store with custom Liquid, responsive design, mobile optimization and UX improvements. Focused on creating a clean, fast and user-friendly shopping experience.
Shopify Developer at KawK
September 5, 2024 - Present
Developed and customized a Shopify eCommerce store with responsive design, custom Liquid development, product presentation improvements, mobile optimization and UX enhancements for a smooth shopping experience.
Shopify Developer at Top Recharge
April 18, 2024 - Present
Developed and customized a Shopify eCommerce store with custom Liquid, HTML, CSS and JavaScript. Worked on responsive design, custom functionality, performance optimization and UX improvements to deliver a smooth and reliable customer experience.
Director & Senior Shopify Developer at Proxi Retails
March 9, 2024 - Present
Developed and customized a B2B wholesale Shopify store with custom Liquid, HTML, CSS and JavaScript. Implemented VAT pricing functionality, responsive design, performance optimization, Core Web Vitals improvements and technical SEO.

Education

Add your educational history here.

Qualifications

Shopify Development Certification
July 16, 2025 - August 8, 2026
Completed professional training in Shopify development, Liquid, theme customization, app integration and eCommerce development.

Industry Experience

Software & Internet, Retail, Computers & Electronics
    Approvefy – Shopify B2B Registration & Customer Approval App

    Developed Approvefy, a Shopify app designed for B2B and B2C customer registration and approval workflows.

    https://www.twine.net/signin

    The app includes custom registration forms, manual and automated approval options, customer tagging, conditional logic, multi-step registration and business account management functionality.

    The goal was to give Shopify merchants more control over customer onboarding, especially for wholesale, dealer, reseller and distributor registration workflows.

    Offrefy – Shopify Volume Discount & Quantity Break App

    Developed Offrefy, a Shopify app designed for quantity breaks, volume discounts, bulk pricing and flexible promotional campaigns.

    https://www.twine.net/signin

    The app helps Shopify merchants create scalable discount offers with advanced pricing rules and supports multiple active promotions for different products and collections.

    The focus was on building a reliable, merchant-friendly Shopify app with a simple setup process and flexible discount functionality.

    Top Recharge – Shopify eCommerce Store Development

    Developed and customized a Shopify eCommerce store for Top Recharge with a focus on responsive design, usability, performance and custom functionality.

    https://www.twine.net/signin

    The project included custom Liquid, HTML, CSS and JavaScript development, mobile optimization, layout improvements and UX enhancements.

    The goal was to create a fast, reliable and user-friendly Shopify shopping experience across desktop and mobile devices.

    KawK – Shopify eCommerce Store Development

    Developed and customized a Shopify eCommerce store for KawK with a focus on responsive design, product presentation and user experience.

    https://www.twine.net/signin

    The project included custom Liquid development, HTML, CSS and JavaScript customization, mobile optimization, layout improvements and custom Shopify functionality.

    The goal was to create a clean, modern and user-friendly shopping experience across desktop and mobile devices.

    ShopRavi – Shopify eCommerce Store Development

    Developed and customized a Shopify eCommerce store for ShopRavi with a focus on responsive design, usability and a smooth shopping experience.

    https://www.twine.net/signin

    The project included custom Liquid development, HTML, CSS and JavaScript customization, mobile optimization, product presentation improvements and UX enhancements.

    The goal was to build a clean, fast and user-friendly Shopify store that performs well across desktop and mobile devices.

    ABM Grossiste – B2B Shopify Wholesale Store Development

    Developed and customized a professional B2B Shopify wholesale store for ABM Grossiste, focused on food, beverages and everyday products.

    https://www.twine.net/signin

    The project included custom Liquid development, theme customization, product catalogue improvements, responsive design, mobile optimization and functionality tailored for professional and wholesale customers.

    The goal was to create a fast, scalable and user-friendly Shopify store that makes wholesale purchasing simple and efficient.

    AJ Foods – B2B Shopify Food & Wholesale Store

    Developed and customized a B2B Shopify eCommerce store for AJ Foods, focused on the food and wholesale sector.

    https://www.twine.net/signin

    The project included product catalogue structuring, custom Shopify development, responsive design, mobile optimization, usability improvements and performance enhancements.

    The goal was to create a clean, fast and easy-to-navigate wholesale shopping experience for professional customers.

    Proxi Retails – B2B Shopify Wholesale Store Development

    Developed and customized a professional B2B Shopify wholesale store for Proxi Retails using the Warehouse theme.

    https://www.twine.net/signin

    The project included custom Liquid, HTML, CSS and JavaScript development, VAT-inclusive pricing functionality, custom promotion and catalogue sections, responsive mobile optimization, performance improvements, Core Web Vitals optimization and technical SEO.

    The goal was to create a fast, scalable and user-friendly wholesale shopping experience tailored to professional customers.

    ProxiDis Pro – B2B Shopify Store Development

    Developed and customized a professional B2B Shopify store for ProxiDis Pro using the Hyper theme.
    https://www.twine.net/signin
    The project included custom Liquid, HTML, CSS and JavaScript development, responsive design, wholesale catalogue optimization, quantity breaks, volume discounts, and B2B customer registration and approval workflows.

    The goal was to create a scalable, user-friendly Shopify experience tailored for retailers, resellers and wholesale customers.

    KritePro – B2B Shopify Wholesale Store Development

    Developed and customized a professional B2B Shopify wholesale store for KritePro using the Enterprise theme.
    https://www.twine.net/signin

    The project included custom Liquid, HTML, CSS and JavaScript development, responsive design, product catalogue improvements, performance optimization, mobile usability enhancements and custom functionality for wholesale customers.

    The goal was to build a fast, reliable and user-friendly Shopify store tailored to the needs of B2B buyers.