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I will develop shopify public app, private app, shopify custom app and API integration
Hannah Emma
About this gig
Looking for a professional Shopify public app or custom private app developer?
I specialize in building high-quality Shopify apps both Public Apps (App Store ready) and Custom/Private Apps (single-store solutions).
What I can help with:
- Shopify custom app development
- Shopify public app development
- Shopify private/custom app setup
- Shopify API integration
- Third-party API integration
- Admin and storefront functionality
- Custom Shopify features
- Webhooks and automation
- Store data synchronization
- Product, order and customer integrations
- External service connections
- Existing app troubleshooting and fixes
- App testing and deployment
Shopify Public Apps: Built for the Shopify App Store using Remix, Shopify CLI, Polaris UI and the Admin/Storefront GraphQL API. I handle OAuth authentication, multi-tenant architecture and Shopify's Billing API so you can monetize your app with subscriptions or usage charges.
Shopify Private/Custom Apps: Built for a single store, no App Store review needed. Perfect for internal tools, inventory sync with your ERP, custom reporting dashboards or connecting Shopify to automation platforms like n8n, Make or Zapier.
Order now and lets build your Shopify app!!
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Get to know Hannah Emma
Hannah Emma
Shopify Expert
- FromUnited States
- Member sinceSep 2026
Languages
English, French
I'm Hannah, a Shopify developer with 3+ years of experience helping businesses across different sectors fix, build, and scale their online stores. I specialize in payment gateway & checkout troubleshooting (including 3D Secure and multi-currency issues), Shopify public & private app development, digital product setup, and print-on-demand store builds. I've worked with clients on Shopify, Whop, and beyond, solving real payment and checkout problems fast. Whether you need a bug fixed, an app built, or a new revenue stream set up, I bring reliable, tested solutions. Contact me before ordering.
FAQ
Can you build a Shopify custom app for my store?
Yes. I can develop a custom app for your specific Shopify store and business requirements.
Do you develop Shopify public apps?
Yes. I can work on Shopify apps intended for multiple merchants, including the required integrations and functionality.
Can you build a private Shopify app?
Yes. If you use the term “private app,” I can help with the equivalent modern custom-app approach for your store.
Can you connect Shopify to another platform?
Yes. I can integrate Shopify with compatible third-party platforms, APIs, databases, and business tools.
Can you work with Shopify APIs?
Yes. I can work with Shopify API functionality required for your app or integration.
Can you fix my existing Shopify app?
Yes. Send me the error, existing functionality, or project details and I can review what needs to be fixed.
Can you add custom features to my Shopify store through an app?
Yes. Custom apps can be used to add functionality that isn't available through Shopify's standard features.
Do you deploy the completed app?
Deployment can be included depending on your package and the requirements of the project.
Can you integrate webhooks?
Yes. Webhooks can be implemented where they are required for your Shopify workflow.
Can you build an app from an idea?
Yes. Send me your idea, desired workflow, and expected result. I can help turn the requirements into a development plan.
