.NET & C# Developer for Sumup Integration

I am looking for a skilled .NET developer proficient in C#, to integrate Sumup online payment system into our website. The primary purpose of this integration is to enable us to accept one-time online card payments.

Key Requirements:
- Integration of Sumup online payment system
- Support for one-time payments only

Ideal Skills and Experience:
- Proficient in .NET and C#
- Experience with payment gateway integrations, particularly Sumup
- Familiarity with working on websites for online transactions