I will develop a custom shopify app, private app or public app with API integration

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sonu179208
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sonu179208
Sonu Kumar

About this gig

I specialize in custom Shopify app development for businesses that need automation, integrations, and scalable solutions. I can build private Shopify apps, public Shopify apps, Shopify extensions, admin apps, checkout extensions, and custom workflows tailored to your exact requirements.


My services include:

  • Custom Shopify App Development
  • Private & Public Apps
  • Shopify Extensions
  • Admin & Checkout UI Extensions
  • API Integration (REST / GraphQL)
  • Webhooks & Automation
  • Third-Party Integrations (ERP, CRM, Payment, Shipping, etc.)
  • Polaris UI Development
  • Secure, Scalable & Clean Code
  • Bug Fixes & Ongoing Support


Whether you need to automate store operations, connect third-party systems, or build a fully custom Shopify solution, I can help deliver reliable, high-performance apps built with best practices. Fast communication, clean development, and long-term support included.

Get to know Sonu Kumar

Sonu Kumar

Shopify App, Theme Developer, Custom Apps, ERP Integration and Automation

5.0(11)
  • FromIndia
  • Member sinceSep 2018
  • Avg. response time1 hour
  • Last delivery2 years
  • Languages

    Hindi, English
Shopify developer specializing in custom theme development and app development. I build Liquid-based themes, dynamic sections, public & private Shopify apps, REST API & GraphQL integrations, ERP automation, and Shopify Plus customizations. I write clean, well-structured code and communicate clearly throughout every project. Available for quick fixes and long-term partnerships. Message me before ordering — let's build something great for your store!

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