Lubin C.

I help 7-figure Shopify and Shopify Plus brands turn more visitors into buyers through A/B testing, checkout optimization, and conversion-focused theme development. Top Rated Plus (top 3% on Upwork), 70+ stores and 150+ projects delivered for DTC brands and agencies. Brands I've worked with include NYDJ, AG Jeans, GreenPan, DITA, L*Space, La Blanca, Kut from the Kloth, Beach Riot, The Bruery, Cubitt, and Invisalign. RESULTS +25% conversion rate across all 12 of Cubitt's international marketplaces +10% AOV from a cart upsell experiment for Flowell 10% fewer checkout drop-offs for Dogsuppy after testing product images and other elements in the inline checkout on Shopify Plus WHAT I DO CRO and A/B testing: hypothesis-driven experiments on product, collection, cart, and checkout pages, including inline checkout testing on Shopify Plus Custom Shopify theme development: from scratch or extending your existing theme, pixel-perfect from Figma Shopify Functions: custom cart, discount, and checkout logic Shopify apps and integrations: private and public apps, third-party APIs Migrations to Shopify from Magento, WooCommerce, and BigCommerce Ongoing optimization retainers: bug fixes, performance, and iterative testing HOW I WORK Every change is tied to a metric and tested before full rollout wherever possible Weekly written updates and a shared roadmap, so you never chase for status One developer from kickoff to launch; I own the outcome, not just the ticket 95% of projects delivered on or ahead of schedule WHO THIS IS FOR Established Shopify stores and agencies that need a developer who thinks about revenue, not just features. Minimum engagement is 10 hours; I prioritize ongoing partnerships over one-off fixes. "Lubin is the best developer we've had: custom implementations, CRO-focused development, deadlines met, and seamless collaboration across our departments." — Dogsuppy Tell me what your store is converting at now and where you want it to be, and I'll come back with a plan.