Engineering.
React, Node and Python patterns from building commerce software that has to keep working.
Building an Embeddable React Widget That Works on Any Site
Build an embeddable React widget with a script-tag loader, isolated styles, lazy-loaded UI and explicit host-page communication and cleanup.
React AI Chat: Streaming State, Cancellation and Safe Actions
Build a React chat response state machine with request IDs, UTF-8 stream decoding, cancellation and a separate authorization boundary for store actions.
Custom React Hooks That Survive SSR and Cleanup
Build React media-query hooks that survive server rendering, then test subscription cleanup, changing inputs and delayed widgets before shipping.
React Performance: Diagnose Slow Catalog Interactions
Find whether a slow React catalog interaction comes from requests, rendering or layout, then choose a focused fix and verify it with a repeatable trace.
Shopify Search Accessibility: Keyboard and Status Checks
Test Shopify search with a practical keyboard checklist covering focus, product variants, cart confirmations, empty results and failed requests.
Shopify Product Cards: Variants, Prices and Cart Actions
Design Shopify product cards with clear variant choices, matching prices, dependable cart feedback and a checklist for difficult catalog content.
Shopify Theme vs Headless: A Practical Decision Checklist
Compare a Shopify theme, an embedded feature and a headless storefront using a practical worksheet for shopper needs, merchant tasks and ownership.