John Lee

JOHN LEE +1 - ·-· https://www.linkedin.com/in/zuomin-lee-89773a362/ 833 Hunters Creek Dr, Sacramento, CA 95838 Detail-oriented CMS/E-Commerce Developer with 9 years of experience building and optimizing highperformance WordPress and WooCommerce websites. Skilled in developing custom themes and plugins, integrating third-party APIs (Stripe, Mailchimp, Zapier), and implementing responsive, accessible designs. Adept at collaborating with cross-functional teams to deliver secure, scalable, and conversion-focused digital experiences. Strong background in PHP, JavaScript (ES6/jQuery), HTML/CSS, and CMS performance tuning—driven by a user-first mindset and a passion for clean, maintainable code. PROFESSIONAL EXPERIENCE Salvo Software Senior E-Commerce Developer (Shopify/WooCommerce) May 2021 - April 2025 Led the end-to-end development of custom WooCommerce plugins using modern PHP (OOP, namespaces, traits), improving checkout UX and integrating directly with Stripe and PayPal APIs— boosting payment reliability and reducing cart abandonment by 18%. Architected and maintained scalable Shopify Plus storefronts, integrating third-party services (e.g., Klaviyo, Drip, and Zapier) via custom apps and webhooks, enabling automated marketing workflows and increasing customer LTV. Enhanced platform performance and security by auditing and refactoring legacy WooCommerce and WordPress codebases, leading to a 30% improvement in load time and full compliance with PCI and GDPR standards. Worked cross-functionally in distributed teams using GitHub, Zoom, and Slack, consistently delivering sprint goals on time and participating in real-time client and stakeholder meetings within EST working hours. Jellyfish Technologies E-Commerce Developer December 2019 - April 2021 Developed custom themes and plugins for WooCommerce and Shopify, aligning with brand identity and improving user experience across desktop and mobile, resulting in a 25% increase in average session duration. Optimized front-end performance by streamlining JavaScript, minimizing CSS, and lazy-loading images, improving Google Lighthouse scores and reducing bounce rates by 20% on product landing pages. Collaborated with cross-functional teams to implement A/B tests, analyze funnel data, and iterate quickly—leading to a 15% lift in conversion rate over a three-month optimization cycle. Maintained and improved custom eCommerce features such as product configurators, dynamic pricing modules, and loyalty programs using PHP, JavaScript (ES6/jQuery), and MySQL within WordPress/WooCommerce environments. August 2016 - December2019 GRATA CMS/E-Commerce Developer Optimized site performance and user experience by auditing CMS configurations, implementing caching strategies, and reducing server response times—resulting in a 40% improvement in page load speed and higher engagement metrics. Built and maintained scalable, responsive websites using WordPress and WooCommerce, customizing themes and plugins to meet unique client needs while ensuring WCAG 2.1 accessibility compliance and SEO best practices. Skill Shopify (Liquid, Polaris) WooCommerce (PHP, WP Hooks) React.js (Hydrogen, frontend apps) JavaScript / TypeScript Node.js (Shopify app backends) HTML/CSS & Tailwind GraphQL & REST APIs Payment Gateway Integration (Stripe, Braintree) AWS (EC2, S3, CloudFront) Git / CI-CD (GitHub Actions, Bitbucket Pipelines) Level & Experience 9/10 (7 years) 9/10 (8 years) 8/10 (6 years) 8/10 (7 years) 7/10 (5 years) 9/10 (9 years) 8/10 (6 years) 9/10 (6 years) 7/10 (4 years) 9/10 (8 years) EDUCATION- BACHELOR OF SCIENCE IN COMPUTER SCIENCE , Neumont College of Computer Science PORTFOLIOS Headless Shopify Storefront View Project A large furniture store with over 6,000 SKUs and 2,000 collections partnered with us to build a highspeed headless Shopify storefront. Main goals: Bypass Shopify’s 100-variant limit through a custom headless architecture Replace Klevu with Algolia for ultra-fast, accurate product search Implement a custom B2B RFQ (Request for Quote) system integrated with Pipedrive CRM and Flexpoint ERP for sales reps Shopify Migration from Ruby on Rails View Project Migrated this well-known vintage luxury watch retailer (16,000+ SKUs) from a custom Ruby on Rails eCommerce platform to Shopify. Main goals: Leverage Shopify OS 2.0 using the Dawn theme as the base Develop reusable custom sections for flexible product storytelling Add custom B2B tools, including Reddit/forum listing features for collectors Custom WooCommerce Development – Airport Transfers Platform View Project MA WooCommerce-based site for booking private car rides between airports and cities. I’ve been the full- stack developer on this project for over a year, responsible for building and maintaining custom functionality tailored to a travel booking workflow. Main goals: Build a fully custom WooCommerce theme for a seamless ride-booking experience Programmatically create products using the WooCommerce REST API Implement a custom search form with autocomplete fields for pickup and drop-off, integrated with an external location API Enable users to select date/time, number of passengers, and dynamically load available rides Optimize performance with intelligent product search triggers and validations Generate ride options on-demand via API when no product is found Automatically add return rides to cart after selecting an outbound ride Create a fully custom, two-step checkout flow tailored to ride booking