Senior Software Engineer

🕒 2 days ago

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

💵 $115k - $130k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

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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, develop, and maintain core billing and invoicing systems using C# and PHP • Use Claude and Cursor across design, implementation, testing, refactoring, and comprehension of large existing codebases • Review AI-generated code for correctness, security, performance, and maintainability • Own architectural and design decisions for billing system components • Lead technical discussions, participate in code reviews, and drive maintainability and performance best practices • Mentor junior team members, including coaching on effective and safe AI tool usage • Lead improvements to CI/CD pipelines and development processes • Implement monitoring, logging, and alerting systems • Optimize database queries and system architecture for growing merchant and transaction volumes • Implement security measures for sensitive payment and merchant data and ensure PCI DSS compliance • Communicate project status, risks, and technical decisions to technical and non-technical stakeholders • Collaborate with Product Owners, Developers, and QA teams on product releases • Identify, assess, and mitigate software-development-lifecycle risks • Provide feedback and resolutions to escalated support issues • Research and evaluate technologies and methodologies to improve performance and developer productivity

🎯 Requirements

• 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 • 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, including OWASP and PCI • Excellent communication skills and proven ability to mentor others and work across teams • Experience designing and architecting scalable, distributed systems • 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 • Hands-on experience building production software with Claude and Cursor • Sound judgment about appropriate use and limitations of AI tooling • All offers subject to satisfactory background and financial checks • Must have the legal right to be employed in the United States

🏖️ Benefits

• A remote first culture! • Competitive compensation and benefits • Personal growth and advancement opportunities • Flex PTO & dedicated sick time • Health, Dental and Vision Insurance • Life, ADD, Short-term and Long-term Disability insurance • 401k matching up to 4% after two months of service • Flexible Spending Account • Paid Parental Leave • Company volunteer days • Employee referral program • Bonusly colleague recognition • Diversity, Equity & Inclusion initiatives, affinity groups, open forums, and inclusion and belonging surveys