# Berk Belcioglu > Senior Shopify Developer. Nearly 7 years building Shopify Plus storefronts, public Shopify apps, and checkout or theme work that stays maintainable after launch. Berk leads Plus storefronts for international brands at Build in Amsterdam and ships his own products: Store Health (store audit and health score), Theme Drift (theme compare and diff), and Bidify (Shopify ecosystem directory ranked by bids). Day to day: Liquid, JavaScript, TypeScript, GraphQL, Shopify Functions, Checkout and Theme App Extensions, Markets, and Core Web Vitals. ## Contact - Email: berk.belcioglu@gmail.com - Site: https://berkbelcioglu.com - GitHub: https://github.com/berkb - LinkedIn: https://www.linkedin.com/in/berkbelcioglu/ - X: https://twitter.com/berkbelcioglu ## Now - Building Shopify Plus storefronts at Build in Amsterdam, currently Alpine Hearing Protection - Founder of Store Health: Audit & Scan - Shipped Theme Drift: Compare & Diff ## Selected work - [Store Health](https://storehealth.app): Shopify app for store audits, risky scripts, broken links, metafields, discount conflicts, and AI visibility - [Theme Drift](https://apps.shopify.com/theme-change-monitor): Compare two or three Shopify theme versions and flag conflicting files - [Bidify](https://bidify.lol/): Shopify app, agency, and theme directory ranked by bids - [Alpine](https://www.buildinamsterdam.com/case/alpine): Shopify Plus multi-market storefront - [Nuncas](https://nuncas.com/): Shopify Plus storefront - [Voldt](https://voldt.eu/): Shopify Plus storefront - [Interior Icons](https://interioricons.com/): Shopify Plus storefront - [The Perimeter](https://www.theperimeter.co.uk/): Storefront - [The Galleria](https://thegalleria.co.uk/): Storefront - [Manor London](https://mymanor.london/): Storefront - [Kiss the Hippo Coffee](https://kissthehippo.com): Theme / storefront - [KolayOto](https://kolayoto.com): Shopify migration ## Optional - [Full profile for AI agents](https://berkbelcioglu.com/llms-full.txt) - [Sitemap](https://berkbelcioglu.com/sitemap-index.xml)