Middleware Developer, Shopify

Anatta

Middleware Developer ensuring seamless integration between Shopify Plus ecosystem and enterprise services. Designing and maintaining integration layers for complex datasets and ensuring data accuracy.

Posted 6/10/2026contractRemote • 🏈 Anywhere in North AmericaMid-LevelSenior💰 $30 - $120 per hourWebsite

Tech Stack

Tools & technologies

GraphQLJavaScriptLaravelMicroservicesNode.jsOraclePHPSOAPSQL

About the role

Key responsibilities & impact

Design and develop scalable middleware solutions to connect Shopify with external enterprise systems (e.g., SAP, Oracle, NetSuite, Salesforce).
Write robust code to ingest data from various sources, apply complex business logic to transform data formats (e.g., converting Shopify JSON payloads to SOAP/XML for legacy ERPs), and deliver it to the target system.
Utilize the Shopify Admin API (REST and GraphQL) and Storefront API to manage products, orders, customers, and inventory programmatically.
Automate data flows for critical business processes such as Order-to-Cash, Inventory Synchronization, and Shipment Updates.
Implement logging, alerting, and retry mechanisms to handle API rate limits, connection timeouts, and data validation errors without disrupting business operations.
Ensure all data in transit is encrypted and handled in accordance with PII and PCI compliance standards.

Requirements

What you’ll need

3+ years of backend development experience with a focus on middleware, iPaaS (e.g., Celigo, Mulesoft, Workato), or custom integration microservices.
Deep understanding of the Shopify API ecosystem.
Celigo experience is a must.
Proven ability to read, parse, and transform data structures.
Mastery of JSON, XML, CSV, and SQL is essential.
Strong proficiency in server-side languages such as Node.js or Laravel/PHP.
Experience working with enterprise data exchange protocols, including REST, SOAP, FTP/SFTP, and EDI.
Proficiency with Git and CI/CD pipelines.
Fluent writing and speaking in English.

Benefits

Comp & perks

Competitive compensation
Generous vacation
Parental leave
Training opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

backend developmentmiddlewareiPaaSintegration microservicesShopify APIJSONXMLCSVSQLREST

Soft Skills

communication