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I will fix shopify checkout cart payment issues wix wordpress custom coding php bug
ONI AMOS
About this gig
I will fix Shopify checkout, cart and payment issues with WordPress custom coding
DESCRIPTION
Is your Shopify cart, checkout, or payment system not working properly? Are customers experiencing errors when adding products to the cart, proceeding to checkout, or completing payments?
I can help troubleshoot and resolve your Shopify store issues with a professional, detail-focused approach.
I specialize in Shopify cart troubleshooting, checkout issue fixing, payment gateway problems, store functionality, API/integration issues, and custom coding solutions. I can also work with WordPress and custom-coded integrations where your Shopify store needs to communicate with a WordPress website or another platform
WHAT I OFFER
Shopify Cart Fixes
- Fix Add to Cart button issues
- Fix cart drawer problems
- Fix cart page errors
- Fix quantity update issues
WHY CHOOSE ME?
- Professional Shopify troubleshooting
- Custom coding expertise
- Shopify + WordPress experience
- Careful debugging and problem solving
LET'S FIX YOUR SHOPIFY STORE
Don't let cart errors, checkout problem, or payment issues cost you potential customers.
Whether you need Shopify cart troubleshooting, payment integration. ORDER NOW!!!
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know ONI AMOS
ONI AMOS
WEBSITE BUILDER
- FromUnited Kingdom
- Member sinceSep 2026
- Avg. response time6 hours
Languages
English, German, French
I’m a professional web designer and developer specializing in Shopify, Wix, WordPress, custom coding, PHP, and landing pages. I help businesses fix checkout and payment issues, resolve bugs, redesign websites, improve SEO, and optimize WordPress speed and Core Web Vitals. My goal is to deliver fast, responsive, user-friendly websites that perform smoothly across devices. Let’s turn your website into a high-performing business asset.
Other Website Maintenance Services I Offer
FAQ
Q: Can you fix my Shopify Add to Cart button?
FREQUENTLY ASKED QUESTIONS Yes. I can troubleshoot Add to Cart issues, including JavaScript errors, variant problems, AJAX cart issues, and theme-related conflicts
Can you fix Shopify checkout errors?
Yes, depending on the cause and the level of checkout access available on your Shopify plan. I can investigate theme, app, integration, configuration, and custom-code issues affecting the checkout process
Can you fix payment gateway problems?
I can troubleshoot payment integration and configuration issues that are within the store's technical control. Some payment failures may originate from the payment provider, account verification, risk controls, or external systems and may require the provider's
Can you work with WordPress and Shopify together?
Yes. I can troubleshoot and develop custom integrations between WordPress and Shopify using appropriate APIs, webhooks, custom code, or embedded functionality.
Do you work with Shopify Liquid?
Yes. I can work with Shopify Liquid for theme customization and troubleshooting, along with HTML, CSS, and JavaScript
Can you fix any Shopify issue?
I can handle many Shopify theme, cart, checkout, payment-integration, and custom-code issues. However, some issues depend on Shopify's platform limitations or third-party providers, so I review the specific problem before promising a solution
Will you change my website design?
No unnecessary design changes will be made. My goal is to fix the requested functionality while maintaining your existing design and user experience
Do you provide a complete Shopify store?
This gig is primarily focused on troubleshooting, fixing, and custom development. Complete store design or full store development can be discussed separately.
