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I will develop custom shopify checkout UI extension vat compliance app
Shopify Expert
About this gig
Need a custom Shopify solution for checkout, VAT compliance, localization, or API automation?
I build reliable Shopify apps and extensions tailored to your store, helping you solve complex workflows without relying on unnecessary third-party apps.
What I can build:
- Shopify Checkout UI Extensions
- Custom Shopify Public and Private Apps
- UK/EU VAT pricing and compliance workflows
- Canada/Quebec localization and Bill 96 solutions
- Shopify Admin API and GraphQL integrations
- Custom API and webhook integrations
- ERP, CRM, accounting and third-party integrations
- Product, order, inventory and customer automation
- Custom Shopify backend workflows and app features
- Native Shopify development
- Modern Shopify CLI, Node.js and GraphQL
- Custom functionality built around your requirements
- API and webhook integrations designed for reliable data flow
Whether you need a checkout extension, VAT functionality, custom Shopify app, API integration, or automated business workflow, I can build a solution around your exact requirements.
Please message me before ordering with your requirements, existing setup and desired functionality so I can recommend the right technical approach for your Shopify project.
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Get to know Shopify Expert
Shopify Expert
Shopify App and AI Solutions Developer
- FromNigeria
- Member sinceAug 2026
Languages
French, German, Spanish, English
I specialize in Shopify app development, SaaS solutions, AI agents and business automation. I build Shopify public and custom apps, API integrations, Claude Code solutions, MCP servers, OpenAI SDK applications, LangGraph and CrewAI workflows, webhooks and scalable backend systems. Whether you need a custom Shopify app, AI powered SaaS, intelligent automation or advanced API integration, I deliver secure, high performance solutions tailored to your business needs.
FAQ
Can you build a custom Shopify Checkout UI Extension?
Yes. I can develop custom Checkout UI Extensions for supported Shopify checkout areas, including custom fields, messaging, trust elements, upsell components, and conditional checkout experiences.
Can you create a custom Shopify app?
Yes. I can build private, custom, or public Shopify apps based on your workflow, including Shopify API integration, authentication, webhooks, database connections, and third-party services.
Can you integrate Shopify with another API or system?
Yes. I can connect Shopify with external APIs, ERPs, CRMs, databases, shipping platforms, accounting tools, and other business systems using APIs, webhooks, and custom automation.
Can you work with Shopify Admin API and GraphQL?
Yes. I can build integrations using Shopify's available Admin APIs and GraphQL capabilities for products, orders, customers, inventory, fulfillment, and other supported store data.
Can you build VAT pricing or compliance features?
Yes. I can develop VAT-related pricing and workflow functionality based on your business requirements, including regional pricing logic, customer types, and tax-related data handling.
Can you build Shopify solutions for UK or EU stores?
Yes. I can develop Shopify functionality around your UK or EU requirements, including VAT-related workflows, localized pricing, checkout functionality, and external system integrations.
Can you help with Canada or Quebec localization?
Yes. I can build localization and workflow features for Canadian stores, including Quebec-focused requirements such as language and content handling. You should provide your exact compliance requirements.
Will I need external hosting for my Shopify app?
It depends on the project. Some Shopify functionality can work without separate hosting, while apps that process external APIs, databases, or background workflows may require hosting. I can help determine the appropriate setup.
Can you fix an existing Shopify app or integration?
Yes. I can troubleshoot and fix API errors, webhook problems, extension issues, broken integrations, authentication problems, and other Shopify development issues.
What do you need before starting?
Send your Shopify store details, project requirements, desired functionality, existing app or API information, and any relevant documentation. I can review the scope and recommend the right development approach before you order.
