Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix bigcommerce checkout, payment and theme display errors
Adam Alisson
About this gig
Is your BigCommerce store broken, crashing, or losing sales because of an unfixed issue Every hour it stays broken costs you money. Let me fix it fast.
I specialize in diagnosing and resolving all types of BigCommerce technical problems from checkout failures and payment errors to CSS breaks, mobile display issues, slow load times, and app conflicts.
What I Resolve:
- Checkout Not Working
- Theme & Display Errors
- Broken Layout & CSS Issues
- Payment Gateway Failures
- Product Page Glitches
- Speed & Performance Problems
- App Integration Conflicts
- Mobile Responsiveness Bugs
- JavaScript & HTML Coding Errors
Whether it is a single critical issue or multiple problems across your storefront, I deliver a clean, tested fix same day when needed.
Why Work With Me:
- Same-Day Fix Available
- HTML, CSS & JavaScript Expert
- All Issues Diagnosed Before Work Starts
- 100% Satisfaction Guaranteed
- Clear Communication Throughout
Describe your issue and share your store URL before ordering I'll confirm the fix timeline immediately.
Find It. Fix It. Back to Selling.
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 Adam Alisson
Adam Alisson
BigCommerce Developer and eCommerce Specialist
- FromMexico
- Member sinceApr 2026
- Avg. response time1 hour
Languages
English, Spanish, French, German, Italian
I'm a BigCommerce developer helping eCommerce businesses build, migrate, optimize, and troubleshoot high-performing online stores. I specialize in BigCommerce store development, custom themes, Shopify-to-BigCommerce migration, SEO, competitor research, Google Search Console, payment gateways, checkout fixes, and theme troubleshooting. Whether you're launching a new store or fixing an existing one, I provide practical solutions focused on performance, visibility, and conversions.
My Portfolio
Other Website Maintenance Services I Offer
FAQ
What if you can't fix my issue?
If I diagnose the problem and determine it cannot be resolved within the agreed scope, I'll tell you upfront and issue a full refund. No guesswork, no wasted time.
Do you need admin access to my store?
Yes. I'll need BigCommerce admin login or a collaborator invite to diagnose and resolve the issue. All credentials are kept strictly confidential and deleted after delivery.
Can you fix multiple issues in one order?
Yes. Order Standard for up to 3 fixes or Premium for unlimited issues. If you're unsure, message me first - I'll review your store and recommend the right package before you pay.
