Full-stack Engineer

• Serve as the lead engineer for the Extensions team, balancing hands-on coding with technical leadership.
• Write, review, and maintain high-quality, production-grade code in C# and PHP.
• Define and evolve the architecture of services and applications to ensure scalability, maintainability, and performance.
• Introduce tools, frameworks, and practices to improve developer experience and productivity.
• Advocate for “you build it, you run it” culture and ensure team owns end-to-end lifecycle of software.
• Mentor and coach engineers, guide planning and estimation, and break down complex technical work.
• Communicate complex technical concepts to varied stakeholders and shape long-term technical strategy with leadership.
• Identify risks and opportunities in technical direction and recommend solutions; influence engineering practices across the organization.

Staff Engineer/Tech Lead, FinTech

Solutions Engineer

• Collaborate with Business Development Managers and Channel Account Managers to assess and qualify customer requirements and scope tailored solutions.
• Recommend tailored solutions, identify opportunities for product extensions, and evaluate feasibility of customer-specific requests requiring development work.
• Proactively identify challenges and propose viable technical solutions.
• Document customer use cases, solution designs, and onboarding plans; deliver architectural diagrams, system workflows, and configuration recommendations.
• Ensure alignment across Sales, Partner Launch Managers, and Customer Account Managers for seamless handover and plan customer training needs.
• Provide tailored demonstrations of the NMI platform and develop bespoke training content for ISVs, ISOs, and partners.
• Support Sales in responding to RFPs and coordinate with Product, Engineering, and Security; raise and track product enhancement requests and relay feedback to Product.
• Stay current on product updates, maintain partner technical enablement, and represent NMI at industry events.

Solutions Engineer, Fintech/Payments

Manager

• As a key member of the NMI Payments Operations team, the Payments Partner Launch Manager (PPLM) is responsible for initiating partner setup and delivering comprehensive training to ensure a seamless launch for newly signed payments partners. This role focuses on creating an exceptional partner experience, ensuring partners are fully equipped to implement and maximize NMI’s Payments and Gateway solutions.
• The PPLM drives partner adoption of NMI’s solutions and technology, accelerating time to launch and enabling long-term success. Acting as both an operational and go-to-market consultant, the PPLM is skilled in hands-on demonstrations of NMI systems and adept at providing sales enablement tools, training, and resources. This role also focuses on teaching value-based and solution-based selling strategies to showcase the benefits of NMI’s flexible, modular products.
• Roles & Responsibilities
• Onboarding and successfully launching new NMI partners.
• Enable partners to quickly realize the value of NMI solutions, driving engagement, accelerating time to revenue, and ensuring an exceptional experience.
• Demonstrate expertise in the NMI Gateway, partner and merchant portals, and the NMI Payments solution.
• Deliver impactful training sessions and engaging product demos that expand partner knowledge and strengthen mindshare.
• Manage a portfolio of partner onboarding(s) to successful outcomes, optimizing speed to revenue, portfolio growth, and time to value.
• Continuously review and refine internal processes, enablement strategies, and customer experience tactics to improve partner satisfaction.
• Stay current and knowledgeable on all NMI products, software, and services.
• Maintain accurate and timely records for reporting sales and account management activities via written, oral, and system-based tools.
• Perform additional responsibilities and duties as required to support business needs.

Partner Launch Manager, Payments/Acquiring

Backend Engineer

• NMI is looking for a passionate Senior Software Engineer to join our Development team as a result of NMI’s continued growth and investment in the underlying systems.
• As a senior developer with strong experience in C# and/or PHP, you will join a team of industry-leading experts that are talented, ambitious and want to drive the continued development of our payment processing services. Our developers are responsible for software services and deliverables that support the processing of billions of transactions for hundreds of thousands of merchants every year. These applications have to be efficient, reliable, redundant, secure, highly-available and scalable. A background in the development of accounting or billing systems is preferred for this specific role.
• Key Responsibilities: Design, develop, and maintain core billing and invoicing systems using C# and PHP technologies; Take ownership of architectural and design decisions for billing system components; Lead technical discussions, participate in code reviews, and drive best practices in maintainability and performance; Actively mentor and support the growth of junior team members; Lead improvements to CI/CD pipelines and development processes; Implement monitoring, logging, and alerting systems to proactively identify and resolve issues; Optimize database queries and system architecture to handle growing merchant and transaction volumes; Implement robust security measures to protect sensitive payment and merchant data and ensure compliance with PCI DSS standards; Communicate project status, risks, and technical decisions effectively to both technical and non-technical stakeholders; Collaborate closely with Product Owners, Developers, and QA teams to ensure successful product releases; Proactively identify, assess, and mitigate risks, including security risks, throughout the software development lifecycle; Provide feedback and resolutions to escalated support issues; Research and evaluate new technologies and methodologies to improve system performance and developer productivity
• Skills and experience: Bachelor’s degree in Computer Science or equivalent experience; Minimum of 5 years of experience developing complex software applications in a collaborative, agile environment; Advanced proficiency in C# and/or PHP, with strong understanding of object-oriented design principles and design patterns; Advanced experience with database design, optimization, and performance tuning; Strong knowledge of security and compliance best practices (e.g. OWASP, PCI); Excellent communication skills, with a proven ability to mentor others, contribute to a strong team culture, and work with others across teams to move projects forward; Experience designing and architecting scalable, distributed systems with consideration for performance, reliability, and maintainability; Ability to translate complex business requirements into technical solutions; Proven track record of code reviews and maintaining code quality standards; Proven ability to understand, debug, and enhance complex existing systems with limited documentation and evolving requirements; Experience with logging systems (such as Logz.io) and optimizing logs preferred; Experience with containerization (e.g. Kubernetes, Docker, etc.) preferred; Experience with monitoring and alerting systems (e.g. DataDog, NewRelic, etc.) preferred; Experience with CI/CD pipelines, automated testing, and deployment processes preferred

Senior Software Engineer, C#/PHP

• Lead a high-performing PHP development team, fostering a culture of collaboration, innovation, and continuous learning.
• Mentor engineers, conduct code reviews, and guide the adoption of best practices in software engineering.
• Partner with cross-functional teams to translate business requirements into robust technical solutions.
• Define and evolve the architecture of PHP-based services and applications to ensure scalability, maintainability, and performance.
• Establish and enforce coding standards, design principles, and architectural guidelines.
• Drive the adoption of modern frameworks, tools, and methodologies.
• Lead the design, development, and deployment of mission-critical PHP applications and platform components.
• Ensure high-quality, maintainable code through peer reviews, automated testing, and CI/CD pipelines.
• Collaborate with DevOps/SRE teams to optimize application reliability and performance.
• Work with SRE to maintain and improve system uptime, scalability, and latency targets.
• Drive performance analysis, tuning, and optimization efforts.
• Implement and uphold security best practices for PHP applications and supporting infrastructure.
• Advocate for process improvements, automation, and modern engineering practices.
• Stay informed on emerging trends in PHP, backend development, cloud services, and DevOps tooling.
• Lead proof-of-concept initiatives for new technologies and frameworks.

Staff Engineer (Tech Lead)

People Operations

• Support global workforce across US, Canada, UK, South Africa and Australia in employee relations, culture initiatives, and benefits administration
• Serve as trusted business partner to department heads ensuring consistent People practices across locations
• Remote-first with East Coast US timezone; collaborate across UK, Canada, and US
• Manage employee relations processes globally including investigations, disciplinary matters, and policy interpretation
• Develop culture and engagement initiatives; organize volunteering week; team events
• Support performance management processes and provide training to supervisors
• Manage benefits administration across multiple countries, with focus on US open enrollment
• Partner with benefits vendors; maintain data integrity

Staff Engineer/Tech Lead, FinTech

Solutions Engineer, Fintech/Payments

Partner Launch Manager, Payments/Acquiring

Senior Software Engineer, C#/PHP

Staff Engineer (Tech Lead)

People Partner, Employee Relations Specialist