You will get ai upsells, checkout extensions, custom product personalizer and apps
Project details
Stop paying $500 - $3,000/month on 15 different apps. Get everything built custom, exactly how you want it once.
Im a full-time Shopify developer (5+ years, 100+ custom builds) specializing in high-ROI revenue features that most apps cant do properly.
What I can build or customize for your store:
Product Customization & Options
Unlimited custom options (text, color/image swatch, file upload, sliders, etc.)
Conditional logic + dynamic fields
Dynamic pricing, measurement calculators, engraving, monogramming
Replace Infinite Options, Bold, Zeus, Uploadly, etc. (and save $200 $2k/month)
Theme App Extensions & Storefront
Fully custom theme blocks & sections (Online Store 2.0+)
AJAX cart drawers, mega menus, sticky add-to-cart, quick view, etc.
Unlimited custom options + live preview
Conditional logic & dynamic pricing
Color/image swatch, file upload, engraving
AI recommendations & smart bundles
Checkout UI + post-purchase upsells
Custom cart, free gifts, dynamic discounts
Theme extensions, Shopify Functions, A/B testing
100% custom code zero variant limits, blazing fast
Stop paying for Bold, Infinite Options, ReCharge, Zipify, etc.
One-time build, full ownership, future-proof.
Im a full-time Shopify developer (5+ years, 100+ custom builds) specializing in high-ROI revenue features that most apps cant do properly.
What I can build or customize for your store:
Product Customization & Options
Unlimited custom options (text, color/image swatch, file upload, sliders, etc.)
Conditional logic + dynamic fields
Dynamic pricing, measurement calculators, engraving, monogramming
Replace Infinite Options, Bold, Zeus, Uploadly, etc. (and save $200 $2k/month)
Theme App Extensions & Storefront
Fully custom theme blocks & sections (Online Store 2.0+)
AJAX cart drawers, mega menus, sticky add-to-cart, quick view, etc.
Unlimited custom options + live preview
Conditional logic & dynamic pricing
Color/image swatch, file upload, engraving
AI recommendations & smart bundles
Checkout UI + post-purchase upsells
Custom cart, free gifts, dynamic discounts
Theme extensions, Shopify Functions, A/B testing
100% custom code zero variant limits, blazing fast
Stop paying for Bold, Infinite Options, ReCharge, Zipify, etc.
One-time build, full ownership, future-proof.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$195
|
Standard
$795
|
Advanced
$1,995
|
|---|---|---|---|
| Delivery Time | 3 days | 7 days | 30 days |
Number of Revisions | 2 | 4 | Unlimited |
Number of Pages | 1 | 3 | 5 |
Design Customization | |||
Content Upload | |||
Responsive Design | |||
Source Code | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$100 - $400
Additional Revision
+$50
Additional Page
(+ 1 Day)
+$50Frequently asked questions
About Samiul
Shopify Developer | Shopify Plus Developer | API Expert | Checkout Ext
Dhaka, Bangladesh - 8:59 am local time
My core strength lies in combining strong engineering fundamentals with practical ecommerce problem-solving. Whether developing complex Shopify apps, designing dynamic product personalizers, building marketplaces, or implementing scalable backend systems, I deliver solutions that are fast, intuitive, and business-focused.
What I Do Best
🚀 Shopify App Development
I specialize in building advanced Shopify apps that enhance storefront functionality and merchant workflows, such as:
Upsell & cross-sell systems
Product option builders & personalizers
Product review apps
Pre-order and inventory logic
Cart transformations
Dynamic product bundles & pricing
Storefront extensions using Functions, GraphQL & App Bridge
I work with the latest Shopify technologies, ensuring speed, stability, and seamless merchant integration.
🛠 Full Stack Web Engineering
I develop robust web applications with clean architecture, strong API design, and scalable backend logic. I use:
React, Next.js, Remix for modern frontend development
Node.js, Express, Prisma, Mongoose for backend services
MongoDB, MySQL, DynamoDB for databases
Tailwind, Chakra UI for modern UI
JWT/Auth systems for secure user management
I build everything from SaaS dashboards to multi-role platforms and real-time data systems.
🧩 Marketplace & Custom Platforms
I’ve built complete marketplace systems with roles for Admin, Seller, and Buyer, featuring:
Product management
Order & analytics dashboards
Secure authentication
Payments & transactional logic
Optimized UI/UX for all roles
These platforms are built to handle scale, performance, and real business operations.
📦 Recent Notable Work
Dynamatic Upsells — Enterprise Shopify upsell engine used by 150+ B2B merchants and 10,000+ end users
Maxify Product & Cart Options
Maxify Pre Order
Maxify Product Review
OutfitXR – Virtual Try On
Custom bundle builders, discount engines & personalization tools for Shopify brands
⚙️ Technical Strengths
Shopify API, GraphQL, Functions, Webhooks
React, Next.js, Redux
Node.js, Express, REST, GraphQL
MongoDB, MySQL, Prisma, DynamoDB
AWS, Vercel, Fly.io, Netlify, Firebase
Tailwind, CSS3, HTML5
Flutter & React Native (cross-platform basics)
CI/CD, performance optimization, secure architecture
🌍 How I Work
I approach every project with:
Clear communication
Clean, maintainable code
Strong understanding of business needs
Fast problem-solving
A focus on performance & user experience
Long-term scalability
I love helping businesses grow by turning technical challenges into smooth, automated solutions.
💬 A Bit More About Me
Outside of coding, I enjoy spending time with my family, traveling (especially snow & hillside locations), reading books, learning Japanese, and exploring new foods. My work is guided by discipline, integrity, and continuous learning.
Steps for completing your project
After purchasing the project, send requirements so Samiul can start the project.
Delivery time starts when Samiul receives requirements from you.
Samiul works on your project following the steps below.
Revisions may occur after the delivery date.
Project Kickoff
Initiate a detailed discussion with the client to understand their vision, goals, and specific features they desire for the product customization app
Discovery Phase
Dive deep into understanding the client's needs, including: Types of customizations (text, images, colors) Design and layout preferences Integration requirements with existing Shopify themes or third-party apps Desired user experience and workflow