Bespoke Shopify Engineering, Checkout Extensibility & Custom Apps
Architecting high-scale ecommerce infrastructure with zero app bloat and enterprise-grade code stability.
When off-the-shelf Shopify apps limit your business model, we build custom frontend features, Checkout Extensibility UI blocks, and backend webhook integrations engineered specifically for your store operations.
What Is Included in This Service
Shopify Checkout Extensibility & UI Extensions
Build native in-checkout order bumps, custom delivery date pickers, and dynamic free gift progression bars.
Shopify Functions (Custom Discount & Shipping Rules)
Server-side backend logic replacing legacy Shopify Scripts for complex B2B pricing, volume tiers, and custom shipping rates.
Custom Product Bundling & Builder Systems
Build interactive "Build-a-Box" or bundle & save configurators natively synced with Shopify inventory.
Third-Party ERP, CRM & Warehouse API Pipelines
Automate two-way inventory syncing, order routing, and fulfillment webhooks with external business software.
Custom Subscription & Bundle Architecture for Supplement Store
Client: Health & Wellness DTC Brand (US)Engineered a custom 3-step bundle builder with dynamic flavor selection and recurring subscription discounts via Shopify Functions.
- ✓Interactive 3-step bundle builder UI
- ✓Custom Shopify Function for tiered bundle discounts
- ✓Automated Recharge & Klaviyo event webhook sync
- ✓Checkout UI order bump extension
Why Work Directly With Bilal Shakeel?
No junior account managers, no outsourced junior developers, and zero agency overhead. When you partner with Build With Goofy, you communicate directly with the founder and senior engineer responsible for your code.
Read Bilal's Full Founder Profile & Bio→Frequently Asked Questions About This Service
Related Engineering Guides & Resources
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Request a transparent fixed-price milestone quote or discuss your requirements directly with Bilal on WhatsApp.