Gencer Karakaya

Senior Shopify Developer
Ankara, Turkey gencerkrky@gmail.com LinkedIn GitHub gencerkarakaya.com

Summary

Senior Shopify and Shopify Plus developer and freelancer based in Turkey, serving merchants and agencies worldwide (remote), specializing in custom theme and app development, checkout extensibility, enterprise and high-volume platform migrations, bug fixes, API and ERP/CRM/PIM integrations, Core Web Vitals performance (95+), technical SEO, and Storefront API / headless (Hydrogen) builds.

Experience

Transfer Kingdom · USA

06.2025 - Present
Senior Shopify Developer
  • Build fully custom Shopify themes from scratch in Liquid, modern JavaScript, and Tailwind CSS, keeping every page at a 95+ Core Web Vitals score.
  • Ship fast, reusable store components and turn designs into working pages quickly through a modern development workflow.
  • Run technical SEO audits with Ahrefs and Screaming Frog, then fix the issues that hold rankings and site health back.
  • Own the CI/CD pipeline and Shopify CLI setup so releases go live with zero downtime and no bugs.

EZ Commerce US · USA

01.2023 - 05.2025
Shopify Developer & Marketplace Manager
  • Customized Shopify themes and fixed front-end bugs using HTML, CSS, JavaScript, and Liquid.
  • Built landing and product pages with GemPages and PageFly, giving the team faster, more flexible design control.
  • Planned and ran on-page SEO, using Shopify metafields to structure product data for search.
  • Set up upsell and cross-sell flows and integrated third-party apps to lift average order value.

Regis Interactive · TR

05.2019 - 12.2022
Shopify Developer & Marketplace Manager
  • Built and managed Shopify stores end to end, theme customization, app extensions, and integrations with the Storefront API, Admin API, and App Proxies.
  • Managed product catalogs and listings, and produced SEO content tied to clear KPIs.
  • Listed and optimized products on Amazon, eBay, and Etsy, handling both FBA and FBM fulfillment.
  • Ran paid acquisition campaigns across Google, Meta, and TikTok Ads.

Skills

ShopifyShopify PlusLiquidJavaScriptTypeScriptReactNext.jsRemixNode.jsPolarisApp BridgeTailwind CSSAdmin GraphQL APIStorefront APIWebhooksCheckout ExtensibilityShopify FunctionsShopify FlowHydrogenOxygenHeadless CommercePlatform MigrationTechnical SEOCore Web VitalsWeb AccessibilityKlaviyoGA4Google Tag ManagerConversion Rate Optimization

Certifications · Shopify Academy & Credly

Education & Languages

Akdeniz University · Accounting · 2010-2012

Languages: English, Turkish

Selected work

27 Shopify storefront case studies: gencerkarakaya.com/work