Serge S

Senior Shopify Developer / Shopify Solutions Specialist

Fiverr • Freelance

Jun 2018 - Present • 8 yrs 1 mo

* Develop and customize Shopify themes (Dawn, Horizon, custom builds) with a focus on performance and maintainability * Build custom sections, dynamic product templates, and metafield-driven features * Implement advanced storefront functionality (bundles, filtering, cart logic, upsells) * Optimize store performance (Core Web Vitals, asset loading, Liquid refactoring) * Work with Shopify APIs (Storefront API, Admin API, App Proxy) * Fix complex theme and app conflicts, debug Liquid / JS issues * Implement structured data (JSON-LD) for SEO and rich results * Collaborate directly with clients, gather requirements, and deliver production-ready solutions

Shopify Developer

Ecommerce • Temps plein

Feb 2015 - Nov 2017 • 2 yrs 9 mos

* Developed and customized Shopify themes and storefront functionality * Built custom features using Liquid and JavaScript for client stores * Integrated and configured third-party Shopify apps * Worked with Shopify APIs for basic customizations and data handling * Assisted in building internal tools and simple backend services for store automation * Participated in store migrations and custom feature implementations * Collaborated with designers and backend developers to deliver full storefront solutions

Junior Web Developer (E-commerce)

Digital Agency • Temps plein

May 2013 - Jan 2015 • 1 yr 8 mos

* Supported development of e-commerce websites, including Shopify stores * Worked on frontend markup and basic Liquid templates * Fixed layout and cross-browser issues * Assisted with theme setup and minor customizations * Learned version control and basic deployment workflows