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I will be your shopify app developer for public, private and custom apps
Tony
About this gig
Hello! I build Shopify public apps for the Shopify App Store, private apps, custom apps for individual stores, and Shopify API integrations.
I ship an app that installs cleanly, survives API version updates.
WHAT YOU GET
- Embedded admin app built with Shopify Polaris
- GraphQL Admin API integration: products, orders, customers, inventory, and metafields
- Secure OAuth flow, session storage, and required GDPR webhooks
- Shopify Billing API: subscription plans, free trial, usage charges
- Checkout UI extension, theme app extension and Shopify functions when needed
- Background jobs, queues, scheduled tasks, and long-running workers
- Deployment on Fly.io or your VPS
- Full commented source code, you own 100%
WHY CHOOSE ME
- Built with Shopify best practices and the latest API versions
- Clean, maintainable code that's easy to extend
- Attention to detail with a focus on delivering polished, production-ready work
Please message me before ordering so we can discuss your project and choose the best package for your needs.
Best regards,
Tony
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Get to know Tony
Tony
Shopify App Developer, Public, Private and Custom Apps
- FromVietnam
- Member sinceDec 2023
- Avg. response time1 hour
Languages
English, Spanish, French, Italian, Dutch
Hi, I'm Tony, a Shopify App Developer specializing in public, private, and custom Shopify apps.
I build Shopify apps that help merchants automate tasks, connect with third-party services, and improve their store operations. Beyond Shopify, I develop API integrations, automation tools, web scraping, Selenium workflows, Telegram bots, and Telegram client applications.
I focus on clean code, clear communication, fast responses, and delivering reliable solutions that help businesses save time and grow.
My Portfolio
FAQ
What is the difference between a Shopify public app and a private app?
A private (custom) app installs on one store only and needs no Shopify review. A public app is listed on the App Store, must pass review, and needs the Billing API to charge merchants. I build both - tell me which one you need.
Do I own the source code?
Yes. You get the full repository on delivery. No license fee, no lock-in, no monthly payment to me.
What counts as a revision?
Revisions cover anything needed to match the scope we agreed on: bug fixes, UI adjustments and behavior corrections. Happy to keep refining until you are satisfied it matches. New features or changed requirements are welcome too, I will just send a separate custom offer for those.
What tech stack do you use?
Node.js with Shopify's official app template (Remix or Express), Polaris UI, GraphQL Admin API, and Prisma/MySQL. I can also work in Laravel or Ruby on Rails if that fits your existing team.
How much does a Shopify app cost?
It depends on scope. A single-purpose private app starts from $150+. A full custom app with webhooks and extensions starts from $550+. A public app with billing and App Store submission starts from $1,800+. Add-ons like extra API integrations, Shopify Functions or AI features are quoted separately.
Will my app pass the Shopify App Store review?
The Premium package includes submission and I handle Shopify's review feedback until approval. GDPR webhooks, Billing API and performance are built in from day one — those are the three most common rejection reasons.
Do you submit the app to the App Store for me?
Yes, as an add-on. It covers listing copy, screenshots, privacy policy, the submission itself, and fixing Shopify's review feedback. I keep it separate from the build because Shopify's review takes 7-14 days per round and often needs 2-3 rounds - nobody controls that timeline.
My Shopify app was rejected. Can you fix it?
Yes. Send me the rejection email and I'll tell you what needs to change and how long it takes, before you order. Most rejections are missing GDPR webhooks, OAuth, or Billing API - all fixable.
Can you work on my existing Shopify app?
Yes. Give me repo access, I'll audit it first, then quote the changes. I also upgrade older apps to the current Shopify API version - usually why an app suddenly starts breaking.
