Advanced BigCommerce Customization Techniques

BigCommerce is a great, flexible, and scalable eCommerce platform that comes with amazing out-of-the-box features. However, if you’re looking to deeply customize your online store for specific purposes and want to expand your capabilities, we will share some advanced customization techniques that can help you deliver a unique user experience and streamline operations. 

Here are some of our advanced BigCommerce customization strategies that go beyond the basics — ideal for developers, agencies, or store owners looking to truly leverage the platform.

1. Stencil Theme Development with Custom Handlebars Helpers

BigCommerce uses the Stencil theme engine, which, by default, incorporates industry best practices. This engine relies on Handlebars.js for templating. While Stencil provides a strong foundation, advanced customization sometimes requires creating custom helpers.

Use Case:

Need to display conditional logic based on complex product metadata? Build a custom helper in your theme.

Example:

module.exports = function(value, options) {

  if (value === ‘special-product’) {

    return options.fn(this);

  } else {

    return options.inverse(this);

  }

};

These custom helpers allow you to bypass some of the limitations of Handlebars and give you more control over your frontend logic.

2. BigCommerce API & Webhooks for Custom Integrations

BigCommerce provides robust REST and GraphQL APIs, as well as webhooks that enable real-time communication with external systems. Some common integrations are CRM and ERP systems, such as NetSuite, third-party logistics providers, and custom loyalty or reward systems.

Tip: Use webhooks to trigger functions in external services when an order is placed, a customer is created, or inventory changes — perfect for automation and reducing manual tasks.

3. Custom Checkout with Checkout SDK

If the standard BigCommerce checkout isn’t enough, use the BigCommerce Checkout SDK to fully customize the experience. This way, you can add upsells or cross-sells directly to the checkout page, implement custom shipping or tax logic, and more.

The SDK provides flexibility while still leveraging the built-in PCI-compliant backend.

4. Advanced Search & Filtering with Custom Faceted Navigation

For online stores with catalogs of thousands of SKUs, BigCommerce’s default filtering might not fit your particular needs, affecting customer experience. To solve this issue, you can build a custom faceted navigation system using product custom fields and JavaScript.

Techniques:

• Create custom filters using product metadata
• Use the Catalog API to fetch and display filtered results
• Leverage front-end frameworks (like React or Vue) for smoother filtering UX

5. Personalization with Customer Groups & Conditional Content

Take your user experience to the next level by combining Customer Groups with conditional logic in your templates. This will allow you to segment your clients to show exclusive content or pricing for B2B customers, display personalized targeted banners or messages, and even restrict access to certain pages or products for VIPs or wholesalers.

BigCommerce is more than just an eCommerce platform — it’s a canvas for innovation. Integrate BigCommerce and NetSuite, and the sky will be the limit! Contact us today to learn about our BigCommerce NetSuite Connector and BigCommerce Development services.