I will fix woocommerce errors, checkout, payment and API integration third party issues

F
freddiemarcus
F
freddiemarcus
Freddie Marcus
fix woocommerce errors, checkout, payment and API integration third party issues
Full Screen
fix woocommerce errors, checkout, payment and API integration third party issues

About this gig

WooCommerce checkout errors, payment failures, broken API integrations, or third-party plugins causing problems on your store? I can help.


I specialize in WooCommerce troubleshooting, payment gateway integration, REST API integration, third-party API connections, checkout fixes, webhook debugging, and WordPress development. Whether customers can't complete payments, orders aren't syncing, or your store is experiencing plugin conflicts or API errors, I'll identify the issue and deliver a secure, reliable solution.


Services Include:

  • WooCommerce Error Fixes
  • Checkout & Cart Issues
  • Payment Gateway Integration (Stripe, PayPal, Paystack & More)
  • REST API & WooCommerce API Integration
  • Third-Party API Integration
  • Webhook Troubleshooting
  • Order & Inventory Synchronization
  • Plugin Conflict Resolution
  • Shipping API Integration
  • WordPress Bug Fixes
  • OAuth & API Authentication
  • Performance & Error Optimization


Every project includes clean code, thorough testing, and production ready implementation to ensure your WooCommerce store runs smoothly and reliably.


Message me before placing your order so I can review your issue and recommend the best solution.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Security
    • Operating systems

  • Programming language

    • JavaScript

  • Frontend framework

    • Flutter
    • jQuery
    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Django
    • Laravel
    • NestJS
    • Next.js
    • Node.js

Get to know Freddie Marcus

Freddie Marcus

Backend Developer API and Automation Expert

  • FromUnited Kingdom
  • Member sinceDec 2025

  • Languages

    English, German
Backend Developer specializing in API integrations, SaaS infrastructure, authentication systems, database architecture, workflow automation. I help startups, agencies, and business owners build secure, scalable, and efficient backend systems using modern technologies like Supabase, Firebase, SQL, REST APIs, WordPress, CRM platforms. From custom integrations and backend to secure user authentication and SaaS development, I focus on building reliable systems that improve performance, user experience. Need a secure scalable backend solution? Send me your project details and let’s get started.

My Portfolio

Other Software Development Services I Offer

Related tags