NMI
Payments
SeniorSoftwareEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Software Engineer at NMI. Skills: Backend development, Mobile SDK development, Payment solutions. Design SDKs. Develop SDKs”
Industry & Context.
Problem-solving; Anticipate issues; Proactively address issues
Out-of-hours on-call rota
What They're Looking For.
Must Have
5 years of experience, Bachelor's degree in Computer Science, Equivalent experience
Nice to Have
C# proficiency preferred, Advanced proficiency in Java preferred
What You'll Do.
Design backend components
Develop backend components
Maintain backend components
Lead architectural discussions
Lead design discussions
Collaborate with Product
Collaborate with Operations
Mentor junior engineers
Mentor mid-level engineers
Participate in CI/CD evolution
Participate in deployment automation
Ensure code adherence
Ensure system adherence
Investigate performance issues
Resolve performance issues
Contribute to initiatives
How You'll Work.
Team & Collaboration
Cross-team initiatives; Product collaboration; QA collaboration; Operations collaboration
Communication Scope
Explain technical concepts
Process & Methodology
Agile methodologies
Full Job Description
NMI is a leading provider of payment gateway solutions, specializing in card-present solutions and payment processing. Our innovative technologies empower businesses to securely accept payments and optimize transaction processes. With a focus on reliability, security, and innovation, we continuously push the boundaries of what's possible in the payments industry. We are seeking an experienced Software Engineer to join our Payments Processing group. This group focuses on developing and maintaining world-class payment solutions, including PIN pad and card reader integration and processor/acquirer connectivity. The ideal candidate: The ideal candidate is a highly skilled software engineer with deep expertise in one or more of the following domains: Backend development (C#/.NET) Mobile SDK development for Android (Java/Kotlin) or iOS (Objective-C/Swift) You don’t need to be an expert in all these areas, but you should bring senior-level technical depth and design experience in at least one, combined with the ability and curiosity to work across the stack when needed. As a Senior Engineer, you will play a key role in designing, developing, and maintaining SDKs and backend components that enable secure, performant, and seamless payment transactions. You will be expected to take ownership of complex problems, influence architectural decisions, and contribute to improving our CI/CD, testing, and deployment processes. You’ll also provide mentorship, participate in design discussions, and help ensure that our systems and SDKs meet the highest standards of security, reliability, performance, and maintainability. Key Responsibilities: Design, develop, and maintain secure, scalable, high-quality SDKs and backend services used in payment device integrations. Lead architectural and design discussions across backend and mobile platforms. Write and review well-structured, maintainable, and efficient code. Collaborate closely with Product, QA, and Operations to ensure successful feat
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