Hi, I’m Jhanz Yuldor Letrado Velosa—a senior full-stack Shopify developer with a passion for end-to-end web solutions. I specialize in Shopify Plus, Online Store 2.0, custom apps (Node.js, Remix), and headless storefronts using React, Hydrogen, and the Storefront API. I love turning complex checkout rules into reliable, automated workflows that improve conversions and revenue. I’m an early adopter of AI-assisted development, regularly using Cursor, Claude, and ChatGPT to accelerate coding, debugging, and testing. My approach blends performance, CRO, and clean architecture to deliver fast, accessible storefronts on time and within budget, with strong client satisfaction and measurable growth.

Jhanz Yuldor Letrado Velosa

Hi, I’m Jhanz Yuldor Letrado Velosa—a senior full-stack Shopify developer with a passion for end-to-end web solutions. I specialize in Shopify Plus, Online Store 2.0, custom apps (Node.js, Remix), and headless storefronts using React, Hydrogen, and the Storefront API. I love turning complex checkout rules into reliable, automated workflows that improve conversions and revenue. I’m an early adopter of AI-assisted development, regularly using Cursor, Claude, and ChatGPT to accelerate coding, debugging, and testing. My approach blends performance, CRO, and clean architecture to deliver fast, accessible storefronts on time and within budget, with strong client satisfaction and measurable growth.

Available to hire

Hi, I’m Jhanz Yuldor Letrado Velosa—a senior full-stack Shopify developer with a passion for end-to-end web solutions. I specialize in Shopify Plus, Online Store 2.0, custom apps (Node.js, Remix), and headless storefronts using React, Hydrogen, and the Storefront API. I love turning complex checkout rules into reliable, automated workflows that improve conversions and revenue.

I’m an early adopter of AI-assisted development, regularly using Cursor, Claude, and ChatGPT to accelerate coding, debugging, and testing. My approach blends performance, CRO, and clean architecture to deliver fast, accessible storefronts on time and within budget, with strong client satisfaction and measurable growth.

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Experience Level

Expert
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Expert

Work Experience

Senior Shopify Developer at Zulay Kitchen
January 1, 2024 - May 1, 2026
Remote Senior Shopify Developer responsible for transforming Zulay’s aging storefront into a high-velocity, mobile-first Online Store 2.0. Rebuilt the theme from scratch with JSON templates, dynamic sections, and metafield-driven content, delivering a 25% lift in mobile conversions and enabling marketing to publish campaign landing pages directly in the theme editor. Engineered GraphQL Admin API integrations linking payment gateways, 3PL, ERP, and Klaviyo with webhook-driven, near-real-time synchronization and retry logic, reducing order processing time by 20% and eliminating double-entry errors. Audited and re-engineered promotions after the checkout.liquid sunset using Shopify Functions and Checkout UI Extensions, preserving bundle pricing and tiered discounts with zero downtime and a 15% lift in checkout conversions. Reduced page weights and improved Core Web Vitals by implementing lazy loading, responsive images, code-splitting, script deferral, and app consolidation, cutting loa
Shopify Developer at Netalico Commerce
June 1, 2021 - December 1, 2023
Led technical ownership for multiple merchants on Netalico Commerce, fixing critical blockers: real-time inventory syncing to prevent oversells and automating order status communications to reduce manual emails by 20%. Implemented Shopify Plus wholesale channels with tiered pricing and multi-currency support, unlocking international and B2B revenue growth (+18%). Performed comprehensive performance and SEO audits to recover organic traffic; improved site speed by 15% and organic traffic by 25%, reducing reliance on paid media. Maintained proactive, long-term client trust by documenting fixes and hardening fragile areas, becoming the direct technical point of contact for accounts and boosting client satisfaction by 30%.
Shopify Developer at Codevidhya
July 1, 2018 - May 1, 2021
Initially inherited outdated, desktop-centric stores and rebuilt them into responsive Online Store 2.0 experiences with mobile-first product pages, JSON templates, and metafield-driven content. Reduced manual back-office workload by integrating payments, inventory, and shipping through unified automated workflows; processing time cut by 35% and fulfillment errors largely eliminated. Stabilized stores with a disciplined maintenance routine (testing, version control, security reviews) to keep uptime at 95% and to prevent peak-season outages. Collaborated with marketing and support during launches, ensuring on-time BFCM readiness and scalable, reliable eCommerce foundations.

Education

Bachelor's Degree in Computer Science at University of the Andes
January 1, 2014 - January 1, 2018

Qualifications

Add your qualifications or awards here.

Industry Experience

Retail, Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert