Hire Shopify App Developer for What Off-the-Shelf Can't Do
Custom Shopify apps — private integrations, public app-store products, and Functions — engineered to Shopify's standards, built to last.
When the app store does not have it
Every growing store hits the moment the app store fails: the integration that almost fits, the workflow no app covers, the subscription fee that now exceeds a build cost. Custom app development is the answer — done right. When you hire a Shopify app developer at this level, you get apps built to Shopify's review standards: secure webhooks, proper OAuth, and upgrade-safe architecture. Engagement models are on my hire page.
I am Omer Muneer Qazi, Senior Shopify Developer (ex-Integriti) with 15+ years of engineering across Node.js, React, and Shopify's API platform. I build private apps, custom storefront integrations, and public app-store products — all inside my ecommerce practice, with SEO-safe implementation wherever apps touch the storefront.
Apps built to platform standards
- Private custom apps — built for your operations: ERP sync, custom fulfillment, B2B workflows — secure, documented, and yours outright.
- Public app-store apps — designed, built, and guided through Shopify's app review — from idea to listed product.
- Storefront integrations — app blocks, theme extensions, and pixel integrations that extend your theme without destabilizing it.
- Shopify Functions — discount, shipping, and payment customization logic in server-side Functions — fast and upgrade-proof.
- Webhook & API architecture — reliable event handling with retries, idempotency, and monitoring — integrations that survive traffic spikes.
- App audits & takeovers — existing custom apps reviewed for security and reliability, then stabilized or rebuilt — whichever the audit says is cheaper.
From spec to app store
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Technical discovery
A free call on what the app must do, who uses it, and what exists — followed by a fixed-scope technical spec.
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Architecture & spec sign-off
Data flows, API usage, webhook design, and UI approved before code — the cheapest place to fix mistakes.
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Build & review prep
Development against Shopify's standards with staging you can test — public apps prepared for review from day one.
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Deploy & handover
Production deploy, monitoring, documentation, and 30 days of support — plus app-store submission for public apps.
Why hire Omer
- Senior Shopify Developer (ex-Integriti) — APIs, webhooks, Functions, and app review requirements as working knowledge.
- 15+ years of backend engineering — Node.js and API architecture across Phaedra Solutions, Integriti, Napollo, Nabidios, and EverestX.
- 100+ projects delivered, $25M+ in client revenue enabled across 6 countries.
- Security-first — OAuth, webhook verification, and data handling done to review standard, not demo standard.
- Dubai-based, global hours — overlapping UAE, US, UK, Canada, Pakistan, and Malaysia working days.
Questions, answered
Custom app or existing app — how do we decide?
How long does a custom app take?
Will our custom app survive Shopify API updates?
Can you take over our existing custom app?
Do you handle app-store submission?
Ready to get started?
The best way to explore working together is a quick conversation. Reach out through your preferred channel and let us discuss your project.