NMI Logo

NMI

Senior Software Engineer (C#/PHP)

Posted 2 Days Ago
Remote
Hiring Remotely in US
90K-127K Annually
Senior level
Remote
Hiring Remotely in US
90K-127K Annually
Senior level
The Senior Software Engineer will design, develop, and maintain billing systems, lead architectural decisions, mentor junior developers, and ensure best practices in software development, focusing on reliability, security, and performance.
The summary above was generated by AI

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

As well as being a part of something exciting everyday, you will also receive the following benefits:

  • Annual salary of $90,000 - $127,000 + 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: https://www.nmi.com/legal/privacy-policy/

#LI-Remote



Salary range, depending on experience:
$90,000$127,000 USD

Top Skills

C#
Ci/Cd
Datadog
Docker
Kubernetes
Logz.Io
Newrelic
PHP

Similar Jobs

An Hour Ago
Easy Apply
Remote
United States
Easy Apply
125K-150K
Senior level
125K-150K
Senior level
AdTech • Cloud • Digital Media • Marketing Tech • Analytics • Consulting
Lead the implementation of Adobe Customer Journey Analytics for clients, providing strategic direction, managing client relationships, and mentoring team members within a consultative approach.
Top Skills: Adobe AnalyticsAdobe Customer Journey AnalyticsAdobe Experience PlatformAdobe TargetAWSAzure)Cloud Data Platforms (GcpCustomer Data Platforms (SegmentData Visualization Tools (Data StudioPower Bi)TableauTealium Tag Management SystemTealium)
An Hour Ago
In-Office or Remote
Westwood, MA, USA
150K-200K
Senior level
150K-200K
Senior level
HR Tech • Information Technology • Software
The Senior Software Engineer will design and implement software features for a web application, develop databases and APIs in Azure, and mentor junior engineers while collaborating with product teams.
Top Skills: .NetAngularAWSAzureNode.js
An Hour Ago
Remote or Hybrid
United States
140K-180K Annually
Senior level
140K-180K Annually
Senior level
Agency • Digital Media • eCommerce • Professional Services • Software • Analytics • Consulting
Lead the delivery of complex digital solutions across technical projects, managing teams and client relationships, while integrating cloud and data technologies.
Top Skills: AdobeAWSAzureConfluenceDatabricksDrupalJIRAMs ProjectSmartsheetSnowflake

What you need to know about the Boston Tech Scene

Boston is a powerhouse for technology innovation thanks to world-class research universities like MIT and Harvard and a robust pipeline of venture capital investment. Host to the first telephone call and one of the first general-purpose computers ever put into use, Boston is now a hub for biotechnology, robotics and artificial intelligence — though it’s also home to several B2B software giants. So it’s no surprise that the city consistently ranks among the greatest startup ecosystems in the world.

Key Facts About Boston Tech

  • Number of Tech Workers: 269,000; 9.4% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Thermo Fisher Scientific, Toast, Klaviyo, HubSpot, DraftKings
  • Key Industries: Artificial intelligence, biotechnology, robotics, software, aerospace
  • Funding Landscape: $15.7 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Summit Partners, Volition Capital, Bain Capital Ventures, MassVentures, Highland Capital Partners
  • Research Centers and Universities: MIT, Harvard University, Boston College, Tufts University, Boston University, Northeastern University, Smithsonian Astrophysical Observatory, National Bureau of Economic Research, Broad Institute, Lowell Center for Space Science & Technology, National Emerging Infectious Diseases Laboratories

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account