Real problems, real solutions, real results
All case studies are anonymised to protect client confidentiality. The systems described are real and running in production.
Multi-store product sync engine across 4 regional stores
NZ outdoor and military retailer operating across NZ, AU, US, and EU markets.
The problem: Products and pricing had to be manually kept in sync across four Shopify Plus stores in different currencies and regions. Bulk pricing rules and regional publication logic made this extremely time-consuming.
What was built: A custom PHP + MySQL sync engine with live FX rate integration, bulk surcharge rule processing (6 tiers), per-store publication logic, and unsync tag support. GraphQL-based, cron-driven — runs automatically.
Shopify–Cin7 Omni webhook integration for eBay order tagging
Same NZ retailer — connecting Shopify order flow to Cin7 Omni inventory management.
The problem: eBay orders coming through Shopify weren’t being tagged correctly in Cin7 Omni, causing fulfilment issues and manual work for the warehouse team.
What was built: PHP webhook processor with HMAC verification, MySQL logging, and cron-based retry logic. Responds HTTP 200 immediately after verification to prevent Shopify retry storms, then processes asynchronously.
Fragrance ecommerce store expanded to Amazon and OnBuy
BrandSHD — NZ-based fragrance store with $80K+ annual revenue.
The problem: Store revenue was concentrated on the website and TradeMe. Amazon and OnBuy represented significant untapped channel opportunity, but feed setup and compliance requirements were a barrier.
What was built: CedCommerce integration for both Amazon and OnBuy, product feed optimisation with marketplace-specific attributes, category mapping, and ongoing feed maintenance. Google Shopping also running via Simprosy.
Free gift checkout promotion with progress bar and gift card prevention
NZ outdoor and military retailer — Shopify Plus checkout extension.
The problem: The merchant wanted to offer a mystery free gift at $125+ cart value to increase average order value, but Shopify’s native checkout couldn’t handle the progress bar UI, gift card cart detection, or conditional gift logic.
What was built: Preact-based Shopify Plus checkout extension with dynamic progress bar, gift detection/prevention for gift card-only carts, and mystery gift reveal at threshold.