About
Senior Shopify Developer with extensive experience in custom theme development, performance optimization, and technical SEO. Specialized in Shopify Liquid, JavaScript (ES6+), Tailwind CSS, and the Storefront API.
Proven track record in improving Core Web Vitals, conversion rate optimization, and scalable e-commerce architecture, from rapid prototyping to zero-downtime CI/CD delivery.
BlogPilot AI
AI SEO blog writer for Shopify, auto-generates and publishes on-brand posts with FAQ schema, internal linking, GEO optimization, and Google Search Console insights.
View on the Shopify App Store →AgentRank
Audits your Shopify store for AI search readiness (ChatGPT, Claude, Perplexity), rewrites products in one click, and weekly tests prove whether AI engines actually recommend you.
View on the Shopify App Store →Stockcast: Inventory Forecast
Predicts stockouts and reorders with clear, explainable math, daily stock monitoring, urgency-ranked forecasts, dead-stock detection, supplier and PO management, and a daily email digest. A drop-in replacement for the shutting-down Stocky app.
View on the Shopify App Store →Work experience
Transfer Kingdom · USA
06.2025 - Present- 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- 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- 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.
Technical expertise
E-Commerce & Shopify
Frontend & Performance
Marketing & Automation
Technical SEO
Store portfolio
A selection of Shopify stores I've built, customized, and optimized. See all case studies →
Shopify Academy & Credly
- Introduction to Shopify Liquid
- Liquid Optimization for Theme Development
- Shopify Plus Certifications
- Shopify 101 & Cross-Border Sales
- POS, Retail & Shopify Plus Fundamentals
- Data & Analytics 101 · Marketing · Merchants
- Product Development Opportunities
Frequently asked questions
Who is Gencer Karakaya?
Gencer Karakaya is a senior Shopify and Shopify Plus developer based in Ankara, Turkey, working remotely with merchants and agencies worldwide. He has 6+ years of Shopify experience, 65+ delivered e-commerce stores, and keeps Core Web Vitals scores at 95+.
What services does Gencer Karakaya offer?
Custom Shopify and Shopify Plus theme development, app development, platform migrations from Magento, WooCommerce, and Salesforce Commerce, ERP and CRM integrations, speed and Core Web Vitals optimization, technical SEO, and headless (Hydrogen) builds.
Is Gencer Karakaya available for freelance projects?
Yes. He is available for freelance Shopify projects worldwide, works remotely in English and Turkish, and typically answers a short project brief within one day with scope, timeline, and an estimate.
How can I hire Gencer Karakaya?
Email gencerkrky@gmail.com with a short project brief, or visit the hire page for the full list of services, process, and pricing FAQ.
Let's build something that ranks.
Open to senior Shopify development roles and freelance projects.