I will fix or build payment integration stripe, crypto, api, fix bugs in website

J
jankowalski9
J
jankowalski9
Janko K

About this gig

I will fix or build Stripe, crypto payment integration and API bugs

I will integrate Stripe, crypto payments and fix website backend issues

I will build secure payment gateway API and fix bugs on your website


Is your payment system failing, buggy, or not properly integrated? Whether it's Stripe, crypto payments, or API issues, Ill help you fix it fast and make it work smoothly and securely.

I specialize in building and fixing payment integrations, ensuring your website or app can process transactions without errors or downtime.

What I can do for you:

  • Fix broken payment systems and checkout errors
  • Integrate Stripe payment gateway (one-time & subscriptions)
  • Set up crypto payments (Bitcoin, Ethereum, USDT, etc.)
  • Debug and fix API integration issues
  • Resolve backend bugs affecting transactions
  • Webhook setup and troubleshooting
  • Improve security and performance

Technologies I work with:

  • REST APIs
  • Node.js, PHP, Laravel, JavaScript
  • Payment SDKs and third-party integrations

Why choose me?

  • Clean, secure, and reliable implementations
  • Fast bug fixing and troubleshooting
  • Clear communication throughout the project
  • Focus on stable and scalable solutions

Get to know Janko K

Janko K
  • FromUnited Kingdom
  • Member sinceOct 2025
  • Avg. response time1 hour
  • Languages

    English, Arabic, French
Frontend Developer. Building things with React and Tailwind CSS. Aspiring to master Web Accessibility. Lover of clean code, efficient algorithms, and flutter. I break things so I can build them better.