Full-Stack Engineer · Ecommerce Consultant & Architect · Shopify Plus & Laravel
Full-stack engineer for Shopify Plus and Laravel. 20+ Plus stores running my Shopify Functions discount engine across A$300M in cart sales; 180,000+ orders processed end-to-end on the Londinium operations platform.
Melbourne, VIC · Remote · Available for Q3 2026 engagements
Portfolio · LinkedIn · Email · Resume
End-to-end ownership — design, build, deploy, support — on production commerce systems. Five years shipping Shopify Plus storefronts, Checkout Extensions, Shopify Functions, and the Laravel + Node middleware that keeps orders, inventory, shipping, and POS in sync.
- Plus storefronts — themes, sections, performance
- Checkout Extensions — UI extensions, validation, delivery customisations
- Shopify Functions — discount, cart transform, payment customisation (WebAssembly)
- Laravel middleware — Horizon-backed queues, Xero/ShipEngine/POS integrations
| $250M+ | attributed revenue across client portfolio |
| ~40% | checkout performance gain |
| 2,500% | sales lift on flagship engagement |
| 5+ | years on Shopify Plus |
| 180,000+ | orders processed on Londinium platform |
| £10M+ | trade invoices settled self-serve via custom checkout |
| 20+ | Plus stores running my Functions-based discount engine |
Custom Next.js checkout for hand-built espresso machines: multi-parcel international shipping priced per crate, trade invoicing, six payment methods (card, PayPal, Wise, manual transfer, gift card, account credit), four currencies, Twilio phone verification. £10M+ in trade invoices settled self-serve · ~1.5 fraud cases/month with phone verification.
Next.js · TypeScript · Tailwind · Swell · Twilio · Stripe · PayPal · Wise · Zoho · Supabase · Cypress · Bugsnag
More case studies on hassanahmed.me.
Commerce
Frontend
Backend
Data
Testing
Infra & DevOps
Integrations
Monitoring & Tooling
Discount Engine — discount-engine.com
A Shopify Functions–based promotions engine that lets merchants create sophisticated discounts — tier, bundle, split bundle, and trade rules — directly in Shopify Admin without code. Built specifically for teams migrating off the deprecated Script Editor before its June 30, 2026 sunset, with full checkout and POS support. Live across 20+ Shopify Plus stores and A$300M+ in cumulative cart sales.
Hardware Test — hardtest.online
A browser-based tool suite that lets gamers diagnose controller and input-device issues with zero installs. Privacy-first by design — all testing runs locally in the browser, no data ever leaves the device — with cross-platform support for PS4/PS5/Xbox controllers, keyboards, mice, webcams, and microphones.
- 2025 — present · Sole engineer at Eva (Melbourne, remote) on storefront, Garage middleware, Shopify Functions, and POS — work previously held by a 3–4 person team.
- 2023 — present · Lead Full-Stack Engineer at Devkind (Melbourne, remote) — multi-client delivery, architecture, code review, CI/CD, mentoring, primary client contact.
If you run a Shopify Plus or Laravel commerce stack and you want an engineer who ships, supports, and stays accountable for outcomes — hassanahmed.me or hassan.jsx@gmail.com.