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Senior Software Engineer (PHP) at NMI | All Remote Jobs

NMI

Senior Software Engineer (PHP)

Canada · remote · CAD 95000-120000 annual

Role overview

NMI is looking for an experienced Senior Software Engineer (Full-Stack) to join our Fee Navigator team, part of our Account Management & Signup Tools value stream. FeeNavigator is a platform that automates merchant statement analysis and proposal generation — ingesting a processing statement in virtually any format, classifying every fee, computing markup and potential savings, and producing a signable proposal in seconds. It replaces work that previously took analysts hours per statement, and it sits at the heart of how our partners win and retain merchants.

This role is ideal for a seasoned engineer who can navigate complex systems, enjoys solving genuinely hard engineering challenges, and operates with a high degree of autonomy within a collaborative, agile team.

What will I be doing?

In this role, you’ll contribute across the full software development lifecycle — from planning and design through implementation, code review, testing, and deployment. You’ll work within a cross-functional team alongside Product and fellow engineers to deliver high-quality, secure software that powers our fee-analysis and proposal platform.

Key duties:

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

Apply on source siteListed via Himalayas

Skills & Experience
Required
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
Preferred
Strong experience with Laravel or similar modern PHP frameworks
Experience with the Vue ecosystem (Quasar, Pinia, Vite)
Experience with containerization technologies (Docker)
Experience with caching technologies (Redis, Memcached)
Experience with AWS services (ECS, ECR, S3, SQS)
Experience working with logging & monitoring systems (e.g., Sentry, New Relic)
Understanding of cloud-native or SaaS architectures (scalability, resilience, multitenancy)
Exposure to Python and ML-adjacent services (Flask, Pandas, scikit-learn)
Experience integrating AI capabilities into applications, or building workflows that incorporate them

As well as being a part of something exciting everyday, you will also receive the following benefits:
Competitive salary + bonus
A remote first culture!
Flex PTO
Health, Dental and Vision Insurance
13 Paid Holidays
Company volunteer days
What we do!
NMI enables our partners with choice, and challenges the one-size-fits-all approach to payments. You've probably used NMI in the last 24 hours without even realizing it. We’re the platform that powers success for innovative tech created by SMBs, entrepreneurs and fintech startups. We’re creative problem solvers who help visionaries smash through boundaries and think beyond what’s possible so they can think about what’s next. But we’re not just built for the tech savvy. We democratize the latest payments technology so that everyone can realize the benefits of easy payments across the full spectrum of commerce. We’re all about enabling more payments in more ways and more places.
We believe that having a diverse group of employees strengthens both our work and our workplace. We’re focused on making NMI more diverse and welcoming with initiatives like having a dedicated Diversity, Equity & Inclusion action group, diversity goals for hiring, anonymized resume screening, affinity groups such as our Women's network and LGBTQ+ Network, open forums for discussions on diversity and social justice, and measuring inclusion and belonging as part of our 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: