I will build payment processor, payment gateway, card payment crypto payment processor

S
smierick
S
smierick
Smierick

About this gig

Are you still Struggling with failed payments, limited payment options, complicated checkout flows, or a payment system that does not fit your business? I can build a custom payment solution designed to make transactions simpler, faster, and more reliable.


I develop payment processors and payment gateways for businesses that need card payments, crypto payments, or both. Your solution can be tailored to your business model, customer journey, and technical requirements.


I can help create a secure payment flow, integrate card payment processing, build crypto payment functionality, connect APIs, configure webhooks, and develop a smooth checkout experience. The goal is simple: give your customers an easy way to pay while giving your business a reliable system for managing transactions.


Whether you are launching a new platform, upgrading an existing checkout, or adding crypto payments, I will build a solution focused on usability, scalability, security, and seamless integration. I focus on building practical payment infrastructure that is ready for real-world use.

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Get to know Smierick

Smierick

Build secure card crypto payment gateways that convert more

  • FromUnited Kingdom
  • Member sinceAug 2026
  • Languages

    English, French, Spanish
I help businesses solve one of their biggest online sales problems: unreliable, complicated, or limited payment processing. I build secure payment processors and gateways that let your customers pay by card or crypto with a smooth checkout experience. Whether you need a custom payment gateway, card payment integration, or crypto payment processor, I create scalable solutions tailored to your business, with clear transaction flows, strong security, and easy integration. Turn more visitors into paying customers with a payment system built around your needs. Payment built for trust and growth.