Kyle Devine

Technical lead for a three-engineer team at a Shopify Plus skincare brand. Directed Q3 planning and performance remediation priorities and set the technical roadmap. Delivered a Core Web Vitals audit with a COO-facing summary and developer remediation plan. Scoped design-system and visual QA automation initiatives to close the Figma-to-Shopify build fidelity gap.

Lead developer for three Shopify Plus stores powering a $60M ARR media brand. Improved conversion by 12.4% YOY through theme/UX and frontend performance tuning. Enhanced Core Web Vitals (LCP) via module splitting, script deferral, lazy loading, and import map restructuring. Achieved 100% Lighthouse SEO scores through semantic HTML, JSON-LD structured data, canonical cleanup, and ALT enforcement. Built automation for image reduction, custom A/B price testing app, product velocity sorting app, and Slack-integrated SMS campaign workflows for Klaviyo segments. Created and trained internal processes for maintaining dynamic content with Shopify metaobjects. Led AI enablement initiatives and standardized AI tooling across the team. Audited Klaviyo signup flows, migrated back-in-stock captures to Klaviyo, improved PLP/PDP usability with sticky add-to-cart and filtering, and configured DNS for email delivery reliability. Modernized privacy/consent flows for compliance and UX.

Migrated paid search to Shopify Search & Discovery, saving $100K/year in app costs and generating $500K in annualized profit via a 1.2% ARPS increase supported by A/B testing. Built and A/B tested custom theme features improving conversion and AOV. Reduced image payload sizes by 78% and improved load times across storefronts by 9%. Identified a critical query double-dipping bug in a paid search app preventing potential $1M revenue loss. Removed legacy code and unused files to improve browser performance by 17%. Upgraded templates to Shopify 2.0 to enable non-technical stakeholders to manage content through the theme editor.