Senior Software Engineer (Fully Remote)

NMI; United States; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Health coverage

Remote-first culture

Flex PTO

401k match

Parental leave

Life/disability insurance

Job summary

NMI is seeking a software engineer to help build core billing systems using C# and PHP. You will work across the SDLC and leverage AI-assisted development tools such as Claude and Cursor to ship robust billing features.

This remote-first role offers flex PTO, comprehensive health coverage, a 401k match, parental leave, and life/disability insurance. Ideal candidates have 5+ years of experience with C# and PHP and a strong focus on secure, scalable payment technology.

Qualifications

• 5+ years C#/PHP, database tuning, and PCI security.
• Experience with AI-assisted development and mentorship.

Responsibilities

• Build core billing systems with C# and PHP.
• Use Claude and Cursor daily across the SDLC.

Skills

C#

PHP

database tuning

PCI security

AI-assisted development

mentorship

Job description

• Build core billing systems with C# and PHP.
• Use Claude and Cursor daily across the SDLC.

Requirements:

• 5+ years C#/PHP, database tuning, and PCI security.
• Experience with AI-assisted development and mentorship.
• Remote-first culture, flex PTO, and health coverage.
• 401k match, parental leave, and life/disability insurance.

NMI

Global leader in payment technologies, NMI lets software and sales professionals deliver payment innovations. The company values kindness, integrity, and continuous improvement, and supports a remote-first culture.