Senior Software Engineer (C#)

NMI(4 days ago)

RemoteFull TimeSenior$62,500 - $85,000Core Gateway

About this role

NMI is seeking an experienced Senior Software Engineer to develop and maintain their primary payment gateway platforms, ensuring reliable, secure, and high-performance transaction processing. The role involves designing backend systems, guiding architectural decisions, and mentoring other engineers in a high-volume, security-sensitive environment.

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Required Skills

C#
PHP
SQL
Security
Cloud

About NMI

nmi.com

NMI is a payments technology company that provides a secure, white‑label payment gateway and processing solutions. Its platform enables ecommerce, mobile, in‑person, and embedded payments for ISOs, SaaS providers, and merchants, helping partners grow revenue through integrated payment capabilities. NMI emphasizes seamless integrations and a smooth, secure transaction experience for businesses embedding payment processing into their products and services.

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