I will build shopify private app shopify custom app, shopify public app api integration


About this gig
Build Shopify Private App, Custom App & Public App with Full API Integration
If you need a serious Shopify developer who builds beyond basic apps and focuses on scalable, API-driven commerce systems, this service is built for you.
I develop Shopify Private Apps, Custom Apps, and Public Apps with deep integration across Shopify Admin API, Storefront API, and modern web frameworks.
What I Can Build for You:
- Shopify Private Apps (Custom Store Automation)
- Order management automation
- Inventory sync systems
- Customer data pipelines
- React / Node.js / Remix-based apps
- Embedded Shopify Admin UI extensions
- Custom dashboards for store owners
- Subscription & pricing logic systems
- OAuth authentication flow
- Billing API integration
- Multi-tenant architecture
- App Store compliance structure
- Shopify Admin API (GraphQL / REST)
- Shopify Storefront API
- Shopify Webhooks
- Shopify Functions (server-side logic customization)
- OAuth 2.0 authentication flow
- App Bridge
- Real-time inventory & order syncing
- Multi-store / multi-merchant support
- Custom discount logic engine
- Automated fulfillment workflows
Build smarter, automate faster, and scale confidently with a custom Shopify app. Contact Me Today!!!!!
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Get to know SVEN
Shopify Markets and international selling High ticket ecommerce systems
- FromFrance
- Member sinceMay 2026
Languages
English, Dutch, Western Frisian, French, German
FAQ
Can you build an app based on my unique business workflow?
Absolutely. Every Shopify store operates differently, so I can develop a fully custom app tailored to your specific processes, automation needs, APIs, and business goals.
Can you integrate third-party platforms with Shopify?
Yes. I can connect Shopify with CRMs, ERPs, shipping providers, payment gateways, inventory systems, accounting software, marketing tools, and virtually any platform that provides API access.
Can you fix or upgrade an existing Shopify app?
Yes. Whether your app has bugs, outdated code, performance issues, broken API connections, or needs new features, I can audit, optimize, and enhance it professionally.
Will my app be secure and scalable?
Absolutely. I follow modern Shopify development standards, secure authentication practices, API best practices, and scalable architecture principles to support future growth.
Can you build a Shopify App Store-ready public app?
Yes. I can develop public Shopify apps with OAuth authentication, billing integration, webhook handling, merchant onboarding, and App Store compliance requirements.
What if my project requires complex automation?
That’s exactly where custom apps excel. I can build advanced automation systems for orders, inventory, fulfillment, customer management, pricing rules, subscriptions, notifications, and other business-critical workflows.
Why choose a custom Shopify app instead of installing multiple apps?
Custom apps eliminate unnecessary monthly app fees, reduce store bloat, improve performance, centralize operations, and provide functionality built specifically for your business rather than generic solutions.
