As a Staff Software Engineer at NMI, you will serve as a highly experienced individual contributor, operating beyond a single team while maintaining close involvement in hands-on delivery. This role requires strong technical judgment, a collaborative mindset, and a dedication to building reliable, secure, and maintainable software systems.

You will work across the Partner Activation and Partner Administration teams, focusing on the design and implementation of partner-facing systems. These systems are crucial for enabling efficient integrations and ensuring a cohesive platform experience. Collaboration with Engineering Managers, Product Managers, Designers, and fellow engineers is essential to translate business needs into high-quality technical solutions.

This position emphasizes hands-on engineering, thoughtful technical decision-making, and cross-team collaboration to significantly improve partner onboarding, administration processes, and long-term platform health.

Key Responsibilities

• Contribute to the technical design and implementation of partner-facing systems across Partner Activation and Partner Administration teams.
• Design and build scalable, secure, and maintainable services utilizing established architectural patterns and best practices.
• Collaborate across functional teams to deliver cohesive partner onboarding and administration experiences.
• Translate complex business and product requirements into practical, actionable technical solutions.
• Write, review, and maintain high-quality code, prioritizing reliability and long-term maintainability.
• Proactively identify and raise technical risks and opportunities for improvement within owned systems.
• Support production systems by enhancing testing protocols, observability, and overall operational readiness.
• Mentor junior and mid-level engineers through comprehensive code reviews, pairing sessions, and technical guidance.

Skills and Experience

• 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 hands-on experience building backend services and APIs using .NET Framework / C# (preferred) and/or PHP.
• Experience working with Microsoft SQL Server or other relational databases, including expertise in schema design and performance tuning.
• Hands-on experience designing, deploying, and operating cloud-based solutions on AWS.
• Experience contributing to distributed systems, with careful 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.
• Experience participating effectively in code reviews and maintaining high quality standards.
• Ability to debug and enhance existing systems, even with limited documentation.
• Strong problem-solving and communication skills.
• Experience working effectively with remote and cross-functional teams.

Nice to Have

• Experience with Docker, Kubernetes, CI/CD pipelines, and automated testing.
• Familiarity with monitoring and logging tools (e.g., Datadog, New Relic, Logz.io).
• Experience modernizing legacy systems.
• Background in payments, fintech, or other high-availability systems.

As well as being a part of something exciting everyday, you will also receive the following benefits:

• Annual salary of $120,000 - $140,000 + bonus
• A remote first culture!
• Flex PTO
• Health, Dental and Vision Insurance
• 13 Paid Holidays
• Company volunteer days

What We Do

NMI empowers our partners with choice, challenging the traditional one-size-fits-all approach to payments. You have likely used NMI recently without realizing it. We are the platform that drives success for innovative technology created by SMBs, entrepreneurs, and fintech startups. We are creative problem solvers who help visionaries break boundaries and think beyond what is possible, enabling them to focus on what is next. We democratize the latest payments technology so that everyone can realize the benefits of easy payments across the full spectrum of commerce. We are dedicated to enabling more payments in more ways and more places.

We believe that a diverse group of employees strengthens both our work and our workplace. We are focused on making NMI more diverse and welcoming through initiatives such as a dedicated Diversity, Equity & Inclusion action group, diversity goals for hiring, anonymized resume screening, affinity groups (like our Women's network and LGBTQ+ Network), open forums for discussions on diversity and social justice, and measuring inclusion and belonging via regular employee engagement surveys.

Equal Opportunity

NMI is committed to providing equal employment opportunity for all persons regardless of race, color, religion, sex, age, marital status, national origin, sexual orientation or sexual identity, genetic information, citizen status (except those that do not have the legal right to be employed in the United States), disability, military service, service member, veteran status, or any other basis protected by applicable law.

Please be aware that all offers of employment are made subject to receipt of satisfactory background and financial checks.

Attention job applicants: Please note that in compliance with the data protection regulations within your jurisdiction, any personal information submitted with your job application may be collected and used by NMI for the purpose of recruitment and employment-related activities. By submitting your application, you acknowledge and provide explicit consent to the processing of your personal information as described in our privacy policy found on our website. For more information on how we process your information, please read our privacy policy here: https://www.nmi.com/legal/privacy-policy/

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