Software Developer

Paying.co; Las Vegas (NV); On-site; USD 100,000 - 140,000; Full time

Job summary

Paying.co seeks a skilled software engineer to design, build, and maintain payment software that runs on payment terminals, mobile devices, and back-office systems. You will work across the full stack, from low-level terminal integrations to the web tooling that supports them.

Join a small team where your work ships fast and stays in production for a long time, using C#, .NET MAUI, jQuery, and JavaScript to integrate with payment processors and certification environments.

Qualifications

• Experience designing and building payment software.
• Proficiency with C# and .NET for backend services.
• Experience with cross-platform mobile/terminal apps using .NET MAUI.
• Familiarity with web tooling (jQuery, JavaScript).
• Experience integrating with payment processors and EMV kernels.

Responsibilities

• Design, build, and maintain payment software across terminals, mobile devices, and back-office systems.
• Work across the full stack from low-level terminal integrations to web tooling that supports them.
• Collaborate with a small team to ship features quickly and maintain production stability.

Skills

C#

.NET MAUI

JavaScript

jQuery

Payment integrations

EMV kernels

Certification environments

Tools

jQuery

JavaScript

Job description

About The Role

Design, build, and maintain payment software that runs on payment terminals, mobile devices, and back-office systems. You'll work across the full stack — from low-level terminal integrations to the web tooling that supports them — on a small team where your work ships fast and stays in production a long time.

About The Role

Design, build, and maintain payment software that runs on payment terminals, mobile devices, and back-office systems. You'll work across the full stack — from low-level terminal integrations to the web tooling that supports them — on a small team where your work ships fast and stays in production a long time.

What you'll work in

• C# and the .NET ecosystem for backend services and tooling
• .NET MAUI for cross-platform mobile and terminal applications
• jQuery and modern JavaScript for web tools and admin portals
• Integration with payment processors, EMV kernels, and certification environments

C# .NET MAUI jQuery