api-queue

internal

Designed a reusable asynchronous integration layer for communication between Shopify, NetSuite, and internal services. BullMQ-backed workers decouple API operations from user-facing applications and provide controlled processing for high-volume commerce workloads.

Node.jsExpressTypeScriptShopify Admin APIBullMQ

cat architecture.md

Applications

Shopify apps
Internal tools
Integration services

Queue API

Job creation
Validation
Workload routing

BullMQ + Redis

Persistent jobs
Retries
Scheduling

Workers

Async processing
Concurrency control
Failure handling

External Systems

Shopify
NetSuite
Third-party APIs

# Why centralize jobs?: Multiple applications need to communicate with external systems that have different API limits and performance characteristics. A shared queue layer decouples those operations from the applications that initiate them.
# Worker isolation: Dedicated workers allow long-running API operations to be processed independently with controlled concurrency, retries, and failure handling.