Senior Software Engineer, PHP

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🕒 June 16

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NMI

WebsiteLinkedInAll Job Openings

201 - 500 employees

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

NMI is a leading global embedded payments enablement platform that provides a comprehensive, all-in-one solution for accepting and managing payments. Their platform is designed to support a variety of payment methods, including online, in-person, mobile, and self-service transactions. NMI offers flexible and feature-rich payment gateways, merchant relationship management solutions, and fraud defense tools. Serving independent sales organizations, banks, software developers, and payment facilitators, NMI helps its partners grow by simplifying the complexities of payment processing and offering a scalable and unified payments experience. With over 20 years of experience, NMI connects over 237,000 devices and processes over $200 billion in payment volumes annually. Their innovative approach and focus on flexibility and modularity make them a strategic partner in the evolving fintech landscape.

📋 Description

• Design, build, and enhance features within FeeNavigator using PHP/Laravel and Vue • Develop efficient database queries and optimize MySQL performance as needed • Own the quality of your work end-to-end through developer-led testing — writing unit, integration, and end-to-end tests, and validating your own changes through to production • Improve the health of a large, established codebase by refactoring complex areas and decomposing high-complexity components into maintainable, well-structured code • Document critical business logic, application workflows, and key architectural decisions • Collaborate with Product Managers to refine requirements and contribute to technical solution design • Participate in code reviews to maintain high engineering standards and share best practices • Work with SRE to ensure software is observable, resilient, secure, and production-ready • Diagnose and resolve incidents, defects, and performance bottlenecks in collaboration with cross-functional teams • Contribute to continuous improvement of development processes, tooling, and engineering practices

🎯 Requirements

• Bachelor’s degree in Computer Science or equivalent experience • 5+ years of experience developing complex applications • Fluency in PHP and modern development practices • Strong understanding of object-oriented programming and design patterns • Experience with relational databases such as MySQL (schema design, query optimization) • Experience with modern frontend development (JavaScript/TypeScript, Vue, npm, basic CSS/SCSS) • Comfort working in large, established codebases — able to navigate unfamiliar systems, untangle complexity, and make sound changes with limited guidance • Familiarity with secure coding principles • Experience with Git and CI/CD workflows • Experience contributing across the full SDLC • Effective use of AI-assisted development tools, with the judgment to know where they add value and the discipline to review and validate their output • Ability to work both independently and collaboratively.

🏖️ Benefits

• Competitive salary + bonus • A remote first culture! • Flex PTO • Health, Dental and Vision Insurance • 13 Paid Holidays • Company volunteer days