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Staff Software Engineer

NMI

$120,000 - $140,000
Dec 12, 2025
Remote, US
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NMI is looking to solve the problem of enabling efficient integrations and a cohesive platform experience for partners through the design and implementation of partner-facing systems.

Requirements

  • Strong hands-on experience with .NET Framework / C-Sharp (preferred) and/or PHP, building backend services and APIs.
  • Experience working with Microsoft SQL Server or other relational databases, including schema design and performance tuning.
  • Hands-on experience designing, deploying, and operating cloud-based solutions on AWS.
  • Experience contributing to distributed systems, with consideration for performance, reliability, and maintainability.
  • Solid understanding of the Software Development Life Cycle (SDLC) and agile development practices.
  • Working knowledge of secure coding practices and compliance-aware development (e.g., OWASP, PCI, SOC 2, HIPAA).
  • Understanding of networking fundamentals such as HTTPS, DNS, and SSL/TLS.

Responsibilities

  • Contribute to the technical design and implementation of partner-facing systems across Partner Activation and Partner Administration.
  • Design and build scalable, secure, and maintainable services using established architectural patterns and best practices.
  • Collaborate across teams to deliver cohesive partner onboarding and administration experiences.
  • Translate business and product requirements into practical technical solutions.
  • Write, review, and maintain high-quality code with a focus on reliability and long-term maintainability.
  • Identify technical risks and improvement opportunities within owned systems and raise them proactively.
  • Support production systems by improving testing, observability, and operational readiness.

Other

  • Bachelor's degree in Computer Science, Information Technology, or equivalent practical experience.
  • 6–8+ years of experience developing complex software applications in a commercial environment.
  • Strong problem-solving and communication skills.
  • Experience working effectively with remote and cross-functional teams.
  • Ability to debug and enhance existing systems, sometimes with limited documentation.