Shopify Plus Application Development SolutionsApplication Development
Ship custom apps and integrations for Shopify Plus in 8-12 weeks. Fixed price, senior engineers only.
IRPR builds custom Shopify Plus application development solutions for high-volume merchants. We use the Shopify Plus API, GraphQL, and Liquid to create checkout extensions, subscription engines, B2B portals, and admin dashboards.
Every project ships in 8-12 weeks with a fixed price between $80K and $250K. We handle PCI-DSS compliance, so your app works securely at scale.
Brand owners hire us to automate wholesale ordering. Operations teams need custom fulfillment workflows. CTOs at fast-growing DTC brands want headless frontends. We build for all of them.
Types of software we ship.
Custom Checkout Extensions
Replace or extend Shopify's checkout with custom fields, upsells, and payment gateways via Cart API and Storefront API.
B2B Wholesale Portals
Build invite-only storefronts with tiered pricing, minimum order quantities, and net terms using Shopify Plus B2B APIs.
Subscription Management Apps
Create recurring order engines with skip/pause/swap features using Shopify Subscriptions API and Chargeback protection.
Marketplace Integration Engines
Sync products, inventory, and orders across Amazon, eBay, and Walmart Marketplace with real-time webhooks and middleware.
Custom Shipping & Fulfillment
Build rate shopping, label generation, and multi-warehouse orchestration using Shippo, EasyPost, or ShipStation APIs.
Loyalty & Rewards Programs
Design point-based reward systems, referral tracking, and VIP tiers that integrate with Shopify Plus customer data.
Admin Dashboards & Analytics
Custom analytics panels pulling data from Shopify Plus, Google Analytics, and ERP systems using Chart.js or Recharts.
Headless Frontend Architectures
Decouple the storefront using Next.js or Gatsby with Shopify Storefront API Hydrogen for unmatched performance.
We build for every business type.
fashion & apparel brands
health & beauty retailers
food & beverage merchants
home goods & electronics
B2B & subscription businesses
Why Shopify Plus Needs Custom Application Development
Off-the-shelf apps can't handle your unique workflows. Custom builds unlock the full power of the platform.
Shopify Plus gives you access to hundreds of API endpoints and dedicated GraphQL support. But most merchants only use 20% of these capabilities. Custom application development fills that gap by automating manual tasks like inventory reconciliation, multi-channel pricing, and customer segmentation.
IRPR has built 200+ products for Shopify Plus stores across 50 countries. Our engineers know the platform's limits and work around them. For example, we built a checkout extension for a luxury brand that increased average order value by 28% using cart-level discount rules that didn't exist natively.
Generic Dev Shop vs. IRPR: The Real Difference
Most agencies deliver a half-working app and disappear. We ship production-ready code that you own.
When you hire a generic development shop, you often get junior developers learning on your timeline. They use boilerplate code that fails under load. IRPR works differently: every project has a senior engineer who wrote their first Shopify app years ago.
We don't hand off a zip file and walk away. Every delivery includes a CI/CD pipeline, error tracking, and a fixed-price contract that protects your budget.
- Junior developers on your dollar
- No compliance guarantees (PCI-DSS? SOC 2?)
- Hourly billing with endless change orders
- Code doesn't scale past 1,000 orders/day
- No post-launch support included
- Source code locked in their repo
- Senior engineers only (10+ years experience)
- PCI-DSS compliance built into every Shopify app
- Fixed price from week 2 Roadmap phase
- Architected for 10,000 orders/minute
- 30-day post-launch bug support included
- Full ownership: source code in your GitHub
Our 4-Phase Development Framework
From idea to release in 8-12 weeks. No detours, no surprises.
We follow a strict four-phase process. Each phase ends with a deliverable you approve before we move forward. This keeps projects on time and under budget.
Phase 1 (Idea) is a free 2-hour discovery call. Phase 2 (Roadmap) is a fixed-price blueprint with wireframes, tech stack, and timeline. Phase 3 (Product) is the build. Phase 4 (Release) is deployment and monitoring.
What Ships With Every Shopify Plus Application
You get more than code. You get a production-ready system with monitoring and documentation.
Every project includes infrastructure setup, automated testing, and a knowledge transfer call. We don't leave you with a black box.
Our checklist covers everything from CI/CD to monitoring. You can hand the project to your internal team on day one.
- Source code in your private GitHub repository
- CI/CD pipeline on GitHub Actions with automated tests
- Docker containers for local development
- Sentry error tracking with alerts
- New Relic or Datadog performance monitoring
- Postman collection with all API endpoints documented
- Admin documentation with architecture diagrams
- Staging deployment with realistic test data
- 30-day post-launch support via Slack
- PCI-DSS compliance documentation for your auditor
What we ship in this practice.
Custom Checkout for Luxury Fashion
Built a checkout extension with upsell widgets that increased AOV by 32% for a New York based streetwear brand. Stack: Shopify Plus Cart API, Node.js, Redis.
B2B Wholesale Portal for Beverage Distributor
Replaced a manual order process with a custom portal using Shopify Plus B2B APIs. Reduced order entry time from 15 minutes to 2 minutes per order. Stack: Next.js, Shopify Plus, Stripe.
Subscription Engine for Organic Skincare
Built a subscription app with skip/pause/swap using Shopify Subscriptions API. Achieved 40% reduction in churn through automated win-back flows. Stack: Ruby on Rails, Sidekiq, PostgreSQL.
Multi-Channel Inventory Sync for Electronics Retailer
Integrated Amazon, eBay, and Shopify Plus inventory in real time. Cut overselling incidents by 99%. Stack: Shopify Plus API, AWS Lambda, DynamoDB.
Loyalty Program for Coffee Subscription Box
Designed a points-based rewards system with referral tracking. 25% of new customers came from referrals in the first 6 months. Stack: Shopify Plus API, Node.js, MongoDB.
Headless Storefront for Activewear Brand
Replaced the default Shopify theme with a Next.js headless frontend. Page load speed improved from 4s to 1.2s, conversion rate climbed 15%. Stack: Next.js, Shopify Storefront API, Vercel.
Why teams hire us.
Fixed price, not hourly billing
Every project gets a fixed quote in the Roadmap phase (week 2). No hourly billing, no surprise invoices, no scope creep charges.
Senior engineers only
IRPR does not use junior or offshore teams. Every engineer has 10+ years of experience and has shipped multiple Shopify Plus apps.
PCI-DSS compliance built in
Every Shopify Plus app is built with PCI-DSS requirements from day one. We provide audit-ready documentation for your compliance team.
Production-ready infrastructure
We deploy with CI/CD, error tracking (Sentry), and performance monitoring (Datadog). Your app is ready for 10,000 orders per minute.
Full ownership of code
You own the complete source code, the Docker images, and the documentation. Nothing is locked behind our license.
30-day post-launch support
After release, we stay on your Slack channel for 30 days to fix any bugs or answer questions. No additional fees.
Idea → Roadmap → Product → Release.
Every engagement runs through the same four-stage pipeline. Predictable by design.
Questions clients ask first.
Related services and industries.
Ready to build? Let's talk.
30-minute discovery call. No deck. We'll tell you honestly what it takes, how long, and how much.