You will get Custom Shopify Post-Purchase Upsell Checkout Extension
Top Rated
Project details
Every order that completes is a missed opportunity if you're not showing a post-purchase offer.
A well-placed one-click upsell after checkout — no re-entering payment details — is the fastest way to increase Average Order Value without spending more on ads.
I build this as a native Shopify checkout extension, not a third-party app. That means no monthly fees, no app conflicts, no performance hit — just clean, upgrade-safe code built specifically around your store's logic and offer.
What you get:
✔ Custom post-purchase upsell extension — built for your store
✔ One-click accept — customer adds product without re-entering payment info
✔ Custom offer logic — trigger by product, cart value, collection, or customer tag
✔ Fully branded UI — matches your store design, not a generic template
✔ Mobile optimised — works perfectly on all devices
✔ Upgrade-safe — built with Shopify's official extension framework
✔ No app subscription fees — yours permanently after delivery
Who this is for:
— Shopify Plus stores wanting full control over post-purchase flow
— Brands replacing expensive upsell apps with a custom solution
— Stores with specific offer logic that generic apps can't handle
A well-placed one-click upsell after checkout — no re-entering payment details — is the fastest way to increase Average Order Value without spending more on ads.
I build this as a native Shopify checkout extension, not a third-party app. That means no monthly fees, no app conflicts, no performance hit — just clean, upgrade-safe code built specifically around your store's logic and offer.
What you get:
✔ Custom post-purchase upsell extension — built for your store
✔ One-click accept — customer adds product without re-entering payment info
✔ Custom offer logic — trigger by product, cart value, collection, or customer tag
✔ Fully branded UI — matches your store design, not a generic template
✔ Mobile optimised — works perfectly on all devices
✔ Upgrade-safe — built with Shopify's official extension framework
✔ No app subscription fees — yours permanently after delivery
Who this is for:
— Shopify Plus stores wanting full control over post-purchase flow
— Brands replacing expensive upsell apps with a custom solution
— Stores with specific offer logic that generic apps can't handle
Platform
ShopifySupported Plugin Types
PaymentWhat's included
| Service Tiers |
Starter
$149
|
Standard
$249
|
Advanced
$399
|
|---|---|---|---|
| Delivery Time | 4 days | 6 days | 10 days |
Number of Revisions | 1 | 1 | 2 |
Number of Plugins/Extensions Installed | 21 | 2 | 4 |
Design Customization | - | - | |
Responsive Design | - | - | - |
Content Upload | - | - | - |
Payment Gateway Setup | - | - | - |
Frequently asked questions
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About Karam
Shopify Developer | Shopify Website | Shopify Store | Shopify Theme
99%
Job Success
Rajpura, India - 5:13 am local time
⭐ Top Rated Plus Shopify developer — 650+ completed projects building, fixing, and scaling Shopify & Shopify Plus stores that load fast and convert.
Across 650+ contracts, my work has concentrated in a few areas I know deeply:
📩 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯 𝗮𝗻𝗱 𝗹𝗲𝘁'𝘀 𝘁𝗮𝗹𝗸 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝘄𝗵𝗮𝘁 𝘆𝗼𝘂'𝗿𝗲 𝘁𝗿𝘆𝗶𝗻𝗴 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱.
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🛠️ SHOPIFY & SHOPIFY PLUS DEVELOPMENT
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Custom theme development, Shopify 2.0 sections, and advanced Liquid customization are the core of my work — from full store builds to precise edits on live stores. I handle Shopify Plus customization and checkout extensibility (new checkout, dynamic buttons, custom checkout features) cleanly and to spec.
✔ 𝟰𝟯𝟬+ 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 · 𝟲+ 𝗦𝗵𝗼𝗽𝗶𝗳𝘆 𝗣𝗹𝘂𝘀 𝗯𝘂𝗶𝗹𝗱𝘀
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🎨 THEME CUSTOMIZATION & LIQUID
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My largest body of work. Custom sections, metafields, cart drawers, footers, sliders, search filters, pagination — built to Shopify best practices so your store stays scalable and easy to maintain. I prefer native solutions over apps wherever it keeps your store lean and fast.
✔ 𝟲𝟬+ 𝘁𝗵𝗲𝗺𝗲 & 𝗟𝗶𝗾𝘂𝗶𝗱 𝗰𝘂𝘀𝘁𝗼𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗷𝗼𝗯𝘀
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🔧 STORE SETUP, REDESIGN & BUG FIXING
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Complete store builds, full redesigns, and fast, reliable troubleshooting — Liquid errors, theme conflicts, broken functionality, and the "another developer left it broken" jobs I'm regularly hired to rescue.
✔ 𝟰𝟰+ 𝘀𝘁𝗼𝗿𝗲 𝗯𝘂𝗶𝗹𝗱𝘀 · 𝟮𝟬+ 𝗿𝗲𝗱𝗲𝘀𝗶𝗴𝗻𝘀 · 𝟯𝟵+ 𝗯𝘂𝗴-𝗳𝗶𝘅/𝗿𝗲𝘀𝗰𝘂𝗲 𝗷𝗼𝗯𝘀
━━━━━━━━━━━━━━━━━━━━━━━━━━━━
🎨 DESIGN → SHOPIFY (PIXEL-PERFECT)
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Got a design ready and just need it built properly on Shopify? That's a job I take on constantly. I convert designs from any source into clean, responsive Shopify Liquid — pixel-perfect across desktop, tablet, and mobile, with cart, checkout, product, and navigation all working seamlessly.
I build from:
✔ Figma → Shopify
✔ Adobe XD → Shopify
✔ PSD / Photoshop → Shopify
✔ Sketch → Shopify
✔ Webflow → Shopify
✔ AI-generated designs (Claude, Lovable, v0, ChatGPT) → Shopify
✔ Static HTML/CSS files → working Shopify templates
✔ PageFly / GemPages / Shogun / Replo / Zipify → native Shopify sections
Whether your design came from a designer, a page builder, or an AI tool, I turn it into a live store that matches the design closely and runs on clean, maintainable code — not a fragile auto-converter export.
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🔄 MIGRATIONS
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WooCommerce/WordPress → Shopify,
Magento → Shopify, and
theme-to-theme migrations — including data, URL structure, and SEO preservation. I've worked both sides of WooCommerce, so I migrate without losing what's already working.
✔ 𝟭𝟮+ 𝗺𝗶𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 · 𝟱𝟬+ 𝗪𝗼𝗼𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲/𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀
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🔌 INTEGRATIONS & APPS
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Third-party API integrations, ERP/CRM connections, webhooks, and custom Shopify app development when an off-the-shelf app won't solve the problem.
✔ 𝟮𝟭+ 𝗔𝗣𝗜/𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗷𝗼𝗯𝘀 · 𝟭𝟬+ 𝗮𝗽𝗽 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀
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🚀 SPEED, CRO & EMAIL
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Page speed and Core Web Vitals optimization, conversion-focused improvements, and Klaviyo email marketing setup and integration.
✔ 𝟭𝟭+ 𝘀𝗽𝗲𝗲𝗱 𝗷𝗼𝗯𝘀 · 𝟵+ 𝗖𝗥𝗢 𝗮𝘂𝗱𝗶𝘁𝘀 · 𝟭𝟬+ 𝗞𝗹𝗮𝘃𝗶𝘆𝗼 𝘀𝗲𝘁𝘂𝗽𝘀
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✅ HOW I WORK
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Shopify best practices, native-first solutions, clean and scalable code, and clear communication. I'll tell you upfront if something is risky or if there's a better way — no hacks, no short-term fixes that break later.
📩 𝗜𝗻𝘃𝗶𝘁𝗲 𝗺𝗲 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗷𝗼𝗯 𝗮𝗻𝗱 𝗹𝗲𝘁'𝘀 𝘁𝗮𝗹𝗸 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝘄𝗵𝗮𝘁 𝘆𝗼𝘂'𝗿𝗲 𝘁𝗿𝘆𝗶𝗻𝗴 𝘁𝗼 𝗯𝘂𝗶𝗹𝗱.
Steps for completing your project
After purchasing the project, send requirements so Karam can start the project.
Delivery time starts when Karam receives requirements from you.
Karam works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery and Strategy
We begin by defining the exact logic for your upsell offer. What products should be offered, and under what conditions?
Extension Scaffolding
I will create the initial post-purchase UI extension in a development environment using Shopify CLI.