# Javaid Ahmad — Ecommerce Systems

> Independent fullstack developer building Shopify, WordPress and Magento systems for US/UK ecommerce brands, with a focus on jewelry, performance, AI quote engines, and custom multistep cost estimation calculators.

## Services
- [Shopify theme + section build](https://javaid.dev/services/#shopify)
- [WordPress theme + plugin development](https://javaid.dev/services/#wordpress)
- [Magento upgrades and M1 → M2 migration](https://javaid.dev/services/#magento)
- [Speed optimisation & SaaS-app replacement](https://javaid.dev/services/#speed)
- [AI chatbot / quote engine](https://javaid.dev/services/#ai)
- [Custom cost estimation calculator](https://javaid.dev/calculator-lp/) — multistep quote calculators for service businesses, $349-$3,000

## Products
- [Wishlist (Jewelry)](https://javaid.dev/products/) — Shopify App · 2024: Jewelry-specific Shopify wishlist app. Save, revisit, share via email or WhatsApp. Frictionless sign-in, native theme integration.
- [Drop A Hint](https://javaid.dev/products/) — Shopify App · 2024: End-to-end wishlist sharing built for jewelry merchants. Full App Store listing, merchant onboarding, marketing materials.
- [GemFind RingBuilder](https://javaid.dev/products/) — Shopify Embed · 2024: Custom engagement-ring configurator with real-time virtual diamond inventory from IDEX, RapNet, Polygon and Nivoda via JewelCloud.
- [Gemstone Customizer](https://javaid.dev/products/) — Internal Build · 2024: Multi-step gemstone customisation tool with carousel previews. Replaced expensive third-party apps and lowered merchant monthly OPEX.
- [AI Quote Engine](https://javaid.dev/products/) — WordPress Plugin · 2025: Conversational quoting flow for WordPress — LLM asks the right follow-ups, returns a structured quote and stores every conversation for the sales team.
- [On-site AI Chatbot](https://javaid.dev/products/) — AI App · 2025: Custom AI chatbot grounded in your catalog + policies via RAG. Lightweight script for WordPress or Shopify, with logging + human escalation.
- [Sheet → AI Ops](https://javaid.dev/products/) — Internal AI App · 2025: Internal AI app that ingests spreadsheets, lets staff ask plain-English questions and returns cited answers. Built for a jewelry company.
- [MenOfLegends Booking](https://javaid.dev/products/) — WordPress Plugin · 2023: Custom WordPress booking plugin — calendar availability, structured form flow, captcha, admin management, and confirmation emails on both sides.
- [RentwiseLA Calculator](https://javaid.dev/products/) — WordPress Plugin · 2023: Bespoke rental-calculator plugin with CRUD admin, dynamic content, captcha, validation, shortcode embeds, and structured email reports on enquiry.

## Selected work
- [Stuller’s Shopify Integration: CodeIgniter to Laravel](https://javaid.dev/work/stullers-shopify-integration-codeigniter-to-laravel/) — Transactional Stuller Showcase powered by GemFind. A Laravel 12 Shopify app for displaying and selling Stuller jewelry products directly in Shopify stores via an embedded showcase and app proxy.
- [Keeler USA — Magento 1 → Magento 2 upgrade](https://javaid.dev/work/keeler-usa-magento-1-%e2%86%92-magento-2-upgrade/) — Migrated keelerusa.com from Magento 1 to Magento 2 with full theme rebuild, redesigned CMS pages and custom modules.
- [RentwiseLA: WordPress theme + custom calculator plugin](https://javaid.dev/work/rentwisela-wordpress-theme-custom-calculator-plugin/) — Custom WordPress theme plus a bespoke rental-calculator plugin with CRUD admin, captcha, validations, shortcode embeds and structured email-report enquiries.
- [Men Of Legends — custom WordPress booking plugin](https://javaid.dev/work/men-of-legends-custom-wordpress-booking-plugin/) — Custom WordPress booking plugin for a multi-experience entertainment brand; per-package pricing engine, Stripe deposits, deep-linkable flows.
- [PrintForest — standalone web app for online print services](https://javaid.dev/work/printforest-standalone-web-app-for-online-print-services/) — Standalone web app for the PrintForest department to take online print orders — file uploads, options, pricing, order tracking. Drove a property-wide mobile-first rewrite.
- [GemText Agent](https://javaid.dev/work/gemtext-agent/) — Built GemFind's data mapping app — turns any vendor's CSV or Excel into the GemFind jewelry schema with 17 specialized agents and zero per-vendor code.
- [David Deso — Custom Mega Menu](https://javaid.dev/work/david-deso-custom-menu/) — 
- [Paul Bensel Jeweler](https://javaid.dev/work/paul-bensel-jeweler/) — 
- [Aquamarise Jewelers](https://javaid.dev/work/aquamarise/) — Delivered a full Aquamarise storefront refresh with custom megamenu architecture, homepage section composition, and collection-grid CTA merchandising blocks.
- [Creations Fine Jewelers](https://javaid.dev/work/creations-fine-jewelers/) — 
- [Labgrown Diamonds](https://javaid.dev/work/labgrown-diamonds/) — 
- [Mavilo — Design to code](https://javaid.dev/work/mavilo-design-to-code/) — 
- [Mysa Diamonds](https://javaid.dev/work/mysa-diamonds/) — 
- [Nelson Coleman](https://javaid.dev/work/nelson-coleman/) — 
- [The Diamond Guys](https://javaid.dev/work/the-diamond-guys/) — Hardened TDG Jewelers theme with Turnstile on forms, improved tracking reliability, fixed iframe UX issues, designed homepage from figma file and cleaned up front-end styling for speed.
- [GemText AI](https://javaid.dev/work/gemtext-ai/) — AI-powered jewelry product description generator — rebuilt the pipeline around batch processing, cutting Claude API spend by ~85% with no UX change.
- [Calculator Timeless](https://javaid.dev/work/calculator-timeless/) — Built an AI quote calculator for a tree service business to turn incomplete inquiries into structured, actionable leads with instant pricing feedback. 
- [Ancona Jewelers](https://javaid.dev/work/ancona-jewelers/) — 

## Notes / Blog
- [Cost estimation calculator for WordPress: a 2026 buyer's guide](https://javaid.dev/cost-estimation-calculator-wordpress-buyers-guide-2026/) — A working buyer's guide to multistep cost estimation calculators on WordPress in 2026 — who needs one, what it should do, plugin vs. custom trade-offs, and what it actually costs.
- [How I Added Cloudflare Turnstile to a Shopify Theme (Without App Bloat)](https://javaid.dev/how-i-added-cloudflare-turnstile-to-a-shopify-theme-without-app-bloat/) — Spam form submissions are one of those issues that quietly waste time, pollute lead pipelines, and make teams distrust incoming inquiries. In our Shopify theme, we wanted stronger protection on contact/newsletter/customer forms without adding a heavy third-party app or disrupting the storefront UX. So we implemented Cloudflare Turnstile directly in theme code. Why Turnstile instead […]
- [Calculator UX: 12 patterns that lift completion (with examples)](https://javaid.dev/calculator-ux-patterns-that-lift-completion/) — Twelve UX patterns we've shipped across two dozen multistep cost-estimation calculators. The difference between a calculator that converts 6% and one that converts 14% lives here.
- [Multistep price calculator plugin vs. custom build — total cost of ownership](https://javaid.dev/calculator-plugin-vs-custom-build-tco/) — Off-the-shelf calculator plugins look cheap at first. The three-year total cost of ownership tells a different story. With numbers from real projects.
- [Quote calculators for contractors: a working pattern that converts](https://javaid.dev/quote-calculators-for-contractors/) — Contractor businesses lose more leads to slow quoting than almost any other operational issue. The pattern that fixes it — and the four UX moves specific to roofing, HVAC, solar, and fencing.
- [Migrating 140,000 SKUs from an iFrame catalog to Shopify Plus — without downtime](https://javaid.dev/shopify-plus-iframe-catalog-migration-stuller/) — How we rebuilt a 140K-SKU jewelry catalog into a fully transactional Shopify Plus storefront with live pricing, configurable markup, and drop-ship fulfillment — and migrated traffic in waves with zero downtime.
- [Quote calculators for B2B manufacturers: variables that matter](https://javaid.dev/quote-calculators-for-b2b-manufacturers/) — B2B sales teams burn hours on custom quotes that never close. The multistep configurator on the website filters time-wasters and pre-qualifies the rest. How to scope one for manufacturing.
- [Integrating a calculator with HubSpot, Pipedrive, Salesforce or Zoho (no Zapier)](https://javaid.dev/calculator-crm-integration-no-zapier/) — The calculator is the front door; the CRM is where the value lives. Integrating them without Zapier middleware is faster, cheaper, and gives you better data hygiene. Patterns for the four CRMs we ship most.
- [Stripe deposits inside a quote flow — UX and compliance notes](https://javaid.dev/stripe-deposits-in-quote-flow/) — A deposit at the last step of a quote flow turns a lead into a committed prospect. How to wire Stripe in without making the UX feel like an ecommerce checkout — and what the compliance line is.
- [GA4 + Meta + LinkedIn conversion tracking for multistep forms](https://javaid.dev/ga4-meta-linkedin-tracking-multistep-forms/) — A calculator with no tracking is a slot machine. The four-platform stack that turns a multistep form into a measurable conversion engine — GA4, Meta CAPI, LinkedIn Insight, and Clarity for diagnostics.
- [Replacing five paid Shopify apps with native code — what we cut, what we kept, what we learned](https://javaid.dev/replacing-shopify-apps-with-native-code/) — How we removed $16,800 a year of recurring app spend, dropped Largest Contentful Paint from 4.3s to 1.6s, and the audit method we used to decide what to replace and what to keep.
- [Calculator vs. simple contact form — when which one wins](https://javaid.dev/calculator-vs-contact-form/) — The line between "just a contact form" and "needs a multistep calculator" is more concrete than people assume. The four criteria that decide which side of it you're on.
- [Shopify Core Web Vitals 2026: a working checklist](https://javaid.dev/shopify-core-web-vitals-2026-checklist/) — LCP, CLS, INP — what actually moves them on a Shopify theme, in order of impact. Includes the audit method and the verification checklist we use on production stores.
- [How to replace five paid Shopify apps with native code (audit + pattern)](https://javaid.dev/how-to-replace-shopify-apps-with-native-code/) — Most Shopify stores carry $300-$800/month of replaceable app spend. The audit method and the practical replacement pattern, with real numbers from production engagements.
- [Calculoid alternative: when to outgrow the off-the-shelf calculator plugin](https://javaid.dev/calculoid-alternative-custom-build/) — Calculoid is a fine starting point for simple calculators. Where its ceiling shows up — brand match, conditional logic, CRM integration, conversion tracking — and what the custom alternative looks like.
- [The case for Magento → WordPress on B2B catalogs that don't actually need Magento](https://javaid.dev/magento-to-wordpress-b2b-migration-romsons/) — Magento is the right answer for some stores. For everyone else, it's a tax. A real-world migration with the SEO, custom-plugin, and recurring-cost trade-offs spelled out.
- [Building a real-time engagement-ring configurator across four diamond suppliers](https://javaid.dev/shopify-engagement-ring-configurator-jewelcloud/) — How GemFind RingBuilder integrates IDEX, RapNet, Polygon and Nivoda via JewelCloud — the unified diamond model, the cache + validate pattern, and the UX discipline of never showing what isn't buyable.
- [When a custom WordPress booking plugin beats off-the-shelf — for one specific reason](https://javaid.dev/custom-wordpress-booking-plugin-when-to-build/) — Off-the-shelf booking plugins solve 90% of cases. The other 10% need custom — and the test for which side of the line you're on is more concrete than it sounds.
- [AI chatbots for ecommerce: when RAG is the right answer (and when it isn't)](https://javaid.dev/ai-rag-chatbots-for-ecommerce/) — Retrieval-augmented generation is the difference between a chatbot that sounds smart and one that's actually useful. The patterns where it pays off, the patterns where it's overkill, and the design choices that decide which you ship.

## Contact
- hello@javaid.dev
- https://javaid.dev/contact/