I will build shopify custom private app API integration graphql automation

S
smith_lucas120
S
smith_lucas120
Lucaz S

About this gig

Need to connect your Shopify store with a third-party system, automate repetitive tasks, or build a reliable custom integration?


I will build Shopify API integrations, custom apps, GraphQL integrations, webhooks, and automated data synchronization tailored to your business.


I can connect Shopify with CRMs, ERPs, payment gateways, shipping platforms, marketplaces, databases, custom web apps, and other third-party APIs.


What I can deliver:

  • Shopify Custom/Private Apps
  • Shopify REST & GraphQL API integrations
  • One-way or two-way data synchronization
  • CRM, ERP & accounting integrations
  • Custom REST/GraphQL API integrations
  • n8n, Make & Zapier automation
  • API troubleshooting, fixes & migrations
  • Webhook configuration and real-time updates.


Problems I solve: manual data entry, failed API connections, broken webhooks, unsynchronized inventory/orders, authentication errors, and inefficient workflows.


Youll receive tested implementation, source code, clear setup instructions, and deployment assistance when included in your package.


Let's build a reliable integration that saves time and automates your workflow.

Get to know Lucaz S

Lucaz S

Shopify Developer, API Integration and Automation Expert

  • FromFrance
  • Member sinceSep 2026
  • Avg. response time1 hour
  • Languages

    English, French
I am a Shopify developer specializing in API integrations, custom apps, GraphQL, webhooks, payment solutions, and automation. I help businesses fix Shopify bugs, connect third-party platforms, integrate checkout systems, and build reliable workflows that save time and improve store performance. From Shopify payment issues and Whop checkout integrations to custom private apps and API automation, I deliver clean, scalable solutions tailored to your needs. My focus is quality, reliability, clear communication, and results that help your business grow.