Custom Shopify App & Storefront Extension Development
Shopify Apps and storefront extensions built for high-growth brands and Shopify Plus merchants, fully compliant with Shopify App Store review standards.
Custom Shopify Apps, Polaris Admin Interfaces, and Native Shopify Functions built for high-growth merchants.
We engineer full-stack Remix/Node.js Shopify Apps, Polaris UI admin dashboards, Theme App Extensions, Checkout UI Extensions, and serverless Shopify Functions for Shopify & Shopify Plus merchants — ready for public App Store approval or private enterprise deployment.
Shopify Functions running natively on global edge infrastructure.
Audited against Shopify App Store review checklist from day one.
Active maintenance for quarterly Shopify API version updates.
Shopify Capabilities
What we engineer for Shopify & Shopify Plus.
Embedded Shopify Admin Apps (Polaris UI)
Engineered with Remix, Node.js, and Shopify Polaris UI tokens to give merchants a native experience inside the Shopify Admin dashboard without leaving the platform.
Technical Specifications
- Shopify App Bridge & Polaris UI component library
- OAuth 2.0 authentication & session token storage
- GraphQL Admin API & REST API integration
- Public App Store release or private merchant deployment
Shopify Process
App Store ready engineering workflow.
GraphQL & Extension Audit
We map Admin API queries, GraphQL schemas, and required Theme / Checkout UI extension placements.
Polaris UI & Flow Mapping
We design merchant admin screens in Figma using official Shopify Polaris UI design tokens.
Remix & Functions Build
We engineer full-stack Remix backend apps and serverless Shopify Functions for custom discount/delivery logic.
Webhook Queue & App Review
We test webhook retries under transaction bursts and audit against the Shopify App Store checklist.
Merchant Cloud Deployment
We deploy to cloud hosts (Vercel/Render/AWS), install on merchant stores, and transfer credentials.
Quarterly API Version Support
We manage quarterly Shopify GraphQL API version updates and deprecation compliance monitoring.
SHOPIFY APP & EXTENSION SCOPE
We cover the full spectrum of backend logic, frontend storefront extensions, and enterprise system synchronization across all major e-commerce platforms.
Shopify App Architecture
- Embedded Polaris Admin app interfaces
- Shopify App Bridge 3.0 integrations
- GraphQL Admin API & Bulk Operations
- OAuth 2.0 & Session Token auth
Checkout & Storefront
- Shopify Functions (Discounts & Delivery)
- Checkout UI Extensions for Shopify Plus
- Theme App Extensions (No liquid edits)
- Custom cart upsell & dynamic widgets
Webhooks & Sync
- GDPR & Mandatory privacy webhooks
- Redis / BullMQ webhook queues
- ERP, CRM & Warehouse real-time sync
- Inventory & Order webhook listeners
App Store & Operations
- Shopify App Store submission compliance
- Private custom app merchant installation
- Quarterly API version deprecation QA
- Full cloud host infrastructure deployment
Shopify FAQ
Questions about custom Shopify app development.
A custom Shopify app runs on external backend infrastructure or Shopify serverless functions, interacting with store data via APIs and webhooks to execute complex business logic outside basic theme liquid files.
Build Your Custom Shopify App
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