Ashan J.

Shopify Developer | AI, Checkout, Performance & Scale

Top Rated e-commerce developer — WooCommerce, Shopify, Headless architecture, AI integration, and Performance optimisation. 100% JSS. 19 projects. Zero disputes. Full-stack e-commerce developer with 8 years of production experience across WooCommerce, Shopify, WordPress, React, and Next.js. I cover the full stack — platform development, headless architecture, AI integration, and performance — so you work with one developer instead of four. WOOCOMMERCE - Custom store builds, theme and plugin development - Checkout optimisation and cart abandonment reduction - Payment gateway integration — Stripe, PayPal, regional gateways - Subscriptions, memberships, and booking systems - WooCommerce REST API and headless architecture - High-SKU performance and database optimisation - Multi-vendor marketplace development SHOPIFY - Shopify Plus — Scripts, Functions, Flow automation - Custom theme development and Liquid templating - App integration, configuration, conflict resolution - Shopify to WooCommerce migration — zero data loss - Checkout customisation and upsell flows - Shopify Storefront API with React frontends WORDPRESS - Custom theme and plugin development - Core Web Vitals and PageSpeed optimisation - Security hardening and malware removal - WordPress as headless CMS with React frontend HEADLESS COMMERCE - Decoupled React or Next.js frontend on WooCommerce REST API — zero theme constraints - Custom cart and checkout outside default templates - React frontend on Shopify Storefront API - Next.js SSG, SSR, ISR for SEO-optimised commerce pages - Multi-store and multilingual architecture REACT AND NEXT.JS - Custom storefronts, dashboards, web applications - TypeScript, GraphQL, REST API integration - State management — Context API, Redux, Zustand - Vercel, Netlify, VPS deployment AI INTEGRATION - AI chatbot trained on your catalogue and policies — handles product discovery, order tracking, and support without human input - OpenAI product recommendation engine replacing default WooCommerce suggestions - Semantic search using OpenAI embeddings — customers find products using natural language - AI product description generator inside WordPress admin - LLM-powered personalised shopping experience PERFORMANCE - PageSpeed 90 or above — guaranteed - Core Web Vitals — LCP, CLS, FID fixed - Database query optimisation and cache strategy - Script audit and render-blocking resource removal - Mobile UX audit and conversion optimisation - GA4, Meta Pixel, full tracking setup MIGRATIONS - Shopify to WooCommerce and reverse — zero data loss - Magento, BigCommerce, OpenCart to WooCommerce or Shopify I read your brief properly, ask the right questions upfront, communicate daily, and deliver on the timeline I commit to. Code is documented. Post-delivery fixes at no extra charge. Send me your project details — clear assessment, timeline, and cost within a few hours.