Need high level developer to fix with a bug on my custom checkout

Job ID: 39157837

Budget: $8 – $15 USD

I'm experiencing an issue in my custom checkout page (Checkout Champ) which is not triggering automatic discounts from Shopify. The objective of this project is solely to fix this as quickly as possible.

Need a high level developer who's had experience with these sort of issues in the past and is familiar with checkoutchamp and shopify extensively.

If you know what to do this shouldn't be a long task, but i need this working asap, please only apply if you've dealt with this problem in the past and can fix this.

For example, I've been wanting to use Kaching for quantity breaks and they give the aesthetic i want, but even the native quantity breaks on shrine theme as well as apps that create auto discounts, none of that final discount info gets pulled into the checkout, it just leaves the original price of the two products combined, not the discounted rate.

I attached photos so you can see the issue, for example an offer starts at 34.99 for 2 with the discount, then ends up back to the original 39.99 at checkout, again this is on CheckoutChamp not a shopify checkout page.
Related categories: PHP JavaScript HTML Shopify Templates Shopify