You will get Custom Shopify App Remix with Polaris UI and Admin API
Project details
Need a private or public Shopify app tailored to your business? I’ll develop a scalable, secure, and high-performing Shopify app using Polaris UI, Admin API, Billing API, and embedded app capabilities built with Remix or Node.js.
I’m Naim Hossain, a certified Shopify developer with 9+ years of experience and 2 published apps on the Shopify App Store. Whether it’s an internal tool or a public app, I’ll build it right.
🧩 What You’ll Get:
• Embedded Shopify app with Polaris UI
• Shopify Admin API + Billing API integration
• Secure OAuth authentication
• Webhook setup and handling
• App embed block or theme extension
• Built with Remix/Node/Express (your choice)
• Optional public app setup + listing help
⭐ Why Clients Choose Me:
• Top Rated & 100% Job Success on Upwork
• 390+ projects completed
• Fast, clean, documented code
• Public app experience + private workflow knowledge
Let’s build an app that saves time, scales with your business, and delights users 🚀
I’m Naim Hossain, a certified Shopify developer with 9+ years of experience and 2 published apps on the Shopify App Store. Whether it’s an internal tool or a public app, I’ll build it right.
🧩 What You’ll Get:
• Embedded Shopify app with Polaris UI
• Shopify Admin API + Billing API integration
• Secure OAuth authentication
• Webhook setup and handling
• App embed block or theme extension
• Built with Remix/Node/Express (your choice)
• Optional public app setup + listing help
⭐ Why Clients Choose Me:
• Top Rated & 100% Job Success on Upwork
• 390+ projects completed
• Fast, clean, documented code
• Public app experience + private workflow knowledge
Let’s build an app that saves time, scales with your business, and delights users 🚀
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, PSD to HTML, Performance OptimizationWhat's included
| Service Tiers |
Starter
$400
|
Standard
$800
|
Advanced
$1,200
|
|---|---|---|---|
| Delivery Time | 5 days | 7 days | 10 days |
Number of Revisions | 1 | 2 | Unlimited |
Number of Pages | 1 | 2 | 3 |
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
Frequently asked questions
114 reviews
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JE
Juan E.
Aug 17, 2026
Shopify App Developer for Tax-Exempt Status Integration
A really talented Freelancer - he supported us even after the contract was completed to fix some small bugs
MH
Marcel H.
Jul 23, 2026
New Shop Configurator
It was a pleasure to work with Naim, I will definitely hire him again!
MH
Marcel H.
Jun 2, 2026
Shopify Configurator Developer Needed
It was a pleasure working with Naim, I will definitely hire him again.
KV
Kris V.
Jun 2, 2026
Website Development
CP
Christian P.
Mar 27, 2026
Shopify Developer- need help with wordpress issue
Excellent job- Everything went smoothly, would definitely hire Naim again.
About Naim
Shopify Developer
94%
Job Success
Kushtia, Bangladesh - 12:26 am local time
Published Shopify Developer with 9+ years of experience, 142 Upwork jobs and 3,000+ hours. I build public and custom Shopify apps, Shopify Plus checkout extensions, API and ERP integrations, subscription systems, and conversion-focused Liquid themes.
I help Shopify merchants, agencies, and SaaS companies build, improve, and maintain reliable Shopify solutions from embedded apps and API integrations to checkout extensions, custom themes, product configurators, and performance fixes.
HOW I CAN HELP:
• Public, custom, and embedded Shopify app development
• Remix, React, Node.js, TypeScript, Polaris, and App Bridge
• Shopify Admin API, Storefront API, GraphQL, and REST
• OAuth, webhooks, Shopify Billing API, and subscriptions
• Shopify Functions and Checkout UI Extensions
• Shopify Plus customization and checkout solutions
• Liquid theme development and Figma-to-Shopify builds
• Theme bug fixing, custom sections, speed optimization, and CRO
• Hydrogen and headless Shopify storefront development
• ERP, CRM, payment, marketing, and third-party integrations
• Prisma, PostgreSQL, deployment, testing, and ongoing support
PUBLISHED SHOPIFY APPS:
• Real-Time Find and Replace
• Simple Product Rating
• Blog CTA
• Toro Sachi Public App
WHY CLIENTS WORK WITH ME:
• 9+ years of Shopify and full-stack development experience
• 142 Upwork jobs and 3,000+ logged hours
• Experience taking projects from planning through launch
• Clean, maintainable, and scalable development
• Clear communication and dependable post-launch support
• Comfortable improving existing codebases or building from scratch
Send me your requirements, current issue, or design. I’ll review it and recommend the clearest technical approach. We can also schedule a quick Upwork call to discuss your project.
Steps for completing your project
After purchasing the project, send requirements so Naim can start the project.
Delivery time starts when Naim receives requirements from you.
Naim works on your project following the steps below.
Revisions may occur after the delivery date.
🔸Step 1
Analyze app requirements + scope
🔸Step 2
Set up OAuth + Polaris UI scaffolding