Logan GelzerShopify services I offer.
Senior Shopify Plus & Hydrogen development for DTC brands. Custom themes, headless builds, Checkout Extensibility, CRO, and performance optimization.
Shopify Plus Theme Development
Custom Shopify Plus themes, Online Store 2.0 sections and metafield-driven content built for speed and conversion. Full theme builds, redesigns, and migrations from legacy themes.
- Custom Liquid themes with OS 2.0 architecture
- Sections and blocks for merchant flexibility
- Metafield and metaobject-driven content
- Theme migrations from 1.0 to 2.0
- Performance-first development
Shopify Hydrogen & Headless
Hydrogen, Next.js & Builder.io headless storefronts on Shopify. Low-risk migrations from Liquid themes with performance gains.
- Shopify Hydrogen storefronts
- Next.js + Shopify Storefront API
- Builder.io visual editing integration
- Headless migration planning
- Oxygen hosting setup
Checkout Extensibility & Shopify Functions
Migrate from checkout.liquid & Shopify Scripts to Checkout UI Extensions and Functions. Discounts, GWP, bundles, and delivery logic.
- Checkout UI Extensions
- Shopify Functions (discounts, delivery, payment)
- Post-purchase extensions
- checkout.liquid migration
- Shopify Scripts replacement
CRO & A/B Testing
Hypothesis-driven A/B testing and PDP/cart redesigns for Shopify brands. Design, code, and test under one roof.
- A/B testing program setup
- PDP and cart optimization
- Conversion audits
- Analytics implementation (GA4, GTM)
- Funnel analysis and recommendations
Speed Optimization
Fix LCP, CLS, and INP on Shopify & Hydrogen stores. Image, font, and third-party script audits with measurable before/after.
- Core Web Vitals optimization
- Third-party script audit
- Image and font optimization
- Lighthouse score improvements
- Performance monitoring setup
Subscriptions & Bundles
Custom subscription portals, bundle builders, and gift-with-purchase flows. Recharge, Shopify Scripts, and native checkout.
- Recharge integration and customization
- Custom bundle builders
- Gift-with-purchase in checkout
- Subscription portal development
- Box builder flows
Ready to start a project?
Engagements start at $100/hr with a $1,000 minimum project size. Most projects are scoped up front after a short technical discovery, and ongoing retainers are available.