Staff Software Engineer jobs in United States
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NMI · 1 day ago

Staff Software Engineer

NMI is a company that empowers partners with innovative payment solutions. As a Staff Software Engineer, you will contribute to the design and implementation of partner-facing systems, working collaboratively across teams to enhance partner onboarding and administration processes.

Financial Services

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
Mentor junior and mid-level engineers through code reviews, pairing, and technical guidance

Qualification

.NET Framework / C#Cloud-based solutions on AWSMicrosoft SQL ServerDistributed systemsSecure coding practicesSoftware Development Life CycleCode reviewsAgile development practicesProblem-solving skillsCommunication skills

Required

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 with .NET Framework / C# (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
Experience participating in code reviews and maintaining quality standards
Ability to debug and enhance existing systems, sometimes with limited documentation
Strong problem-solving and communication skills
Experience working effectively with remote and cross-functional teams

Preferred

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

Benefits

A remote first culture!
Flex PTO
Health, Dental and Vision Insurance
13 Paid Holidays
Company volunteer days

Company

NMI

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NMI is a global leader in embedded payments, powering more than $200 billion in payment volumes every year.

Funding

Current Stage
Growth Stage

Leadership Team

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Kyle Pexton
CFO
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Scott Hart, CFA
Chief Financial Officer
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Company data provided by crunchbase