NMI

Design and maintain billing and invoicing systems, use AI-assisted development tools, lead technical discussions, mentor colleagues, and ensure payment services are secure and scalable. | Requires a bachelor's degree or equivalent, at least five years of complex software development, advanced C# or PHP proficiency, and experience with distributed systems and security compliance. | 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. This role reports to the Engineering Manager. 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. AI-assisted development is core to how we build at NMI. Our engineers work with Claude and Cursor every day, and we expect you to use them fluently: to move faster, to raise quality, and to spend more of your time on the problems that need human judgement. About NMI NMI, a global leader in payment technologies, allows software and sales professionals to deliver payment innovations to their clients without having to build payment expertise in house. 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. Our mission is to use our expertise to enable more payments, in more ways and more places. We provide ISOs, Fintech Innovators and Technologists the freedom to focus on what they do best, liberating them from restricted payment solutions and giving them access to the latest payment technology now and in the future. How We Work - Our Core Values Be a Good Person, It's Simple. We treat everyone fairly and with respect. We lead with kindness, humility and integrity. We take the time to understand each other and our customers. And we serve with care, because customers are never a transaction, and always our focus Align, Trust & Go. We debate openly, listen carefully and challenge thoughtfully. Once we decide, we move forward together - holding ourselves accountable to our commitments, and focusing on what matters most to our customers. That alignment creates momentum. Raise the Bar. Good enough isn't enough. We stay curious, measure everything, stay honest about progress and keep pushing ourselves to think creatively. We drive change, again and again. And leave things better than we found them. When we raise the bar, our customers feel it too. Key Responsibilities: Design, develop, and maintain core billing and invoicing systems using C# and PHP technologies. Use AI-assisted development tools, specifically Claude and Cursor, as a core part of your daily engineering workflow across design, implementation, testing, refactoring, and comprehension of large existing codebases. Remain fully accountable for everything you ship: review AI-generated code with the same rigor you apply to any other contribution, verifying correctness, security, performance, and maintainability before it reaches production. 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. Mentor and support the growth of junior team members, including coaching on effective and safe use of AI development tools. 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, including when working with AI development tools. 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. 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. Minimum 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, with a 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. Hands-on experience building production software with Claude and Cursor, our standard toolset, and a willingness to make them a daily part of how you work. Sound judgment about where AI tooling adds leverage and where it does not, including an understanding of how these tools fail in large, legacy or sparsely documented systems. Preferred Qualifications: Experience with logging systems (such as Logz.io) and optimizing logs. Experience with containerization (e.g. Kubernetes, Docker, etc.). Experience with monitoring and alerting systems (e.g. DataDog, NewRelic, etc.). Experience with CI/CD pipelines, automated testing, and deployment processes. Do you feel like you have a slightly out of the ordinary career path or history? We are open to all walks of life and very willing to hear your story. Please don't feel like this should be a barrier to securing a great career at NMI! We appreciate success can come in all shapes and sizes. Fill in the 'Additional Info' box on our application to tell us more about your path. As well as being a part of something exciting everyday, you will also receive the following 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 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: $115,000—$130,000 USD

Develop and execute integrated marketing strategies and campaigns to drive pipeline and revenue growth for payment gateway products targeting ISOs and vertical markets. | Requires 5-7+ years B2B marketing experience, preferably in payments, fintech, SaaS or enterprise technology, with strong skills in integrated marketing, verticalized marketing, sales collaboration, and digital campaign management. | We're looking for an experienced and driven Integrated Marketing Manager to lead the go-to-market plan and programs for NMI's payment gateway, with a focus on generating pipeline, acquiring new ISO partners and increasing adoption across priority vertical markets. In this role, you'll develop and execute integrated marketing strategies that bring together demand generation, content, digital, channel, sales and product marketing. A key part of the role will also be developing a verticalized marketing approach for markets such as parking, transit, EV charging and healthcare, making NMI's gateway proposition more relevant to the specific needs, use cases and audiences within each market. ISOs will be the primary audience, alongside vertical specific ISVs and software providers. This is both a strategic and hands on role. You'll identify where the biggest opportunities lie, build the marketing strategy and work across teams to turn it into campaigns that deliver measurable pipeline and revenue impact. About NMI NMI, a global leader in payment technologies, allows software and sales professionals to deliver payment innovations to their clients without having to build payment expertise in house. 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. Our mission is to use our expertise to enable more payments, in more ways and more places. We provide ISOs, Fintech Innovators and Technologists the freedom to focus on what they do best, liberating them from restricted payment solutions and giving them access to the latest payment technology now and in the future. How We Work - Our Core Values • Be a Good Person, It's Simple. We treat everyone fairly and with respect. We lead with kindness, humility and integrity. We take the time to understand each other and our customers. And we serve with care, because customers are never a transaction, and always our focus • Align, Trust & Go. We debate openly, listen carefully and challenge thoughtfully. Once we decide, we move forward together - holding ourselves accountable to our commitments, and focusing on what matters most to our customers. That alignment creates momentum. • Raise the Bar. Good enough isn't enough. We stay curious, measure everything, stay honest about progress and keep pushing ourselves to think creatively. We drive change, again and again. And leave things better than we found them. When we raise the bar, our customers feel it too. About the Team The NMI marketing team is a group of smart, collaborative people in a fast moving environment. Self-starters who love solving problems, learning continuously and building creative, data driven campaigns will thrive here. Key Responsibilities: • Own the integrated marketing strategy and plan for NMI's core payment gateway, aligned to pipeline and revenue goals. • Develop and execute multi-channel campaigns to acquire new ISO partners, drive gateway adoption and support cross-sell and upsell opportunities. • Develop verticalized marketing strategies for priority markets, using market, customer and competitive insight to tailor positioning, messaging and campaigns to specific industry needs. • Build a strong understanding of ISO and ISV audiences, their buying journeys, challenges and decision drivers. • Partner with product marketing and content teams to develop compelling messaging, thought leadership, customer stories, campaign content and sales enablement. • Work closely with demand generation to define target audiences, campaign journeys, lead follow-up and conversion strategies. • Collaborate with sales, channel and other marketing teams to ensure programs are aligned to commercial priorities and effectively executed. • Manage campaigns from planning through execution, reporting and optimization, ensuring activity stays on track, on budget and on brand. • Track performance against agreed KPIs and use insights to continuously improve targeting, messaging, channel mix and campaign effectiveness. Essential Skills and Experience: • 5-7+ years of B2B marketing experience, ideally in payments, fintech, SaaS, or enterprise technology. • A marketing or related business degree or equivalent. • Proven experience developing and executing integrated marketing strategies and campaigns that contribute to pipeline and revenue growth. • Experience with verticalized marketing, including developing market-specific positioning, messaging and go-to-market programs. • Strong understanding of B2B partner or channel-led business models. Experience marketing to ISOs, ISVs, PayFacs or other payments audiences is highly desirable. • Experience working closely with sales and demand generation teams on lead management, account targeting, sales enablement and pipeline acceleration. • Experience collaborating with and managing agency partners. • Strong digital marketing, campaign management and performance measurement skills, including marketing automation (Salesforce, Hubspot, Pardot, ZoomInfo), SEM, SEO, PPC, display, programmatic, etc, as well as analytics (GA4). • Exceptional project management, communication and stakeholder alignment skills. • Creativity, curiosity, initiative and a strong commercial mindset. Do you feel like you have a slightly out of the ordinary career path or history? We are open to all walks of life and very willing to hear your story. Please don't feel like this should be a barrier to securing a great career at NMI! We appreciate success can come in all shapes and sizes. Fill in the 'Additional Info' box on our application to tell us more about your path. As well as being a part of something exciting everyday, you will also receive the following 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 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/ This is a remote role with an annual US base salary range of $100,000 – $120,000 USD. This salary range will be narrowed during the interview process based on experience, qualification, and location. #LI-Remote

Lead infrastructure security architecture across AWS and on-premises environments and embed security into engineering workflows. | Significant experience in security engineering, cloud security, AWS expertise, leadership of complex initiatives, and knowledge of hybrid infrastructure and security automation. | We are seeking a Senior Staff Information Security Engineer to help shape and advance security across our hybrid technology estate. Our environment spans AWS and on-premises infrastructure hosted in colocation facilities. You will provide senior technical leadership across both environments, defining secure architecture patterns, building scalable controls, and partnering with Engineering, Product, SRE, and Infrastructure teams to reduce risk without creating unnecessary barriers to delivery. This is a senior individual-contributor role. You will remain hands-on while acting as a trusted technical authority for complex security architecture and engineering decisions. You will lead initiatives that cross teams and technologies, address systemic security challenges, and improve how security is designed and implemented across the organisation. The role is primarily remote, with occasional in-person responsibilities at our Bristol, UK office and, where necessary, our colocation facilities. What you'll do: Lead Infrastructure Security Architecture Define and evolve security architecture across AWS and our colocation estate. Establish secure reference architectures, engineering standards, and reusable control patterns. Provide technical leadership for major infrastructure, platform, and product initiatives. Identify systemic risks and lead practical, sustainable programmes to address them. Strengthen Cloud and Hybrid Security Design and improve security across cloud accounts, networks, identities, workloads, and shared services. Establish effective controls for identity and access management, segmentation, encryption, secrets, logging, monitoring, and workload protection. Develop preventative guardrails through infrastructure-as-code, policy-as-code, automation, and cloud-native security services. Improve consistency across the enterprise including cloud, on-premises infrastructure, and the connectivity between them. Partner with Engineering and Product Engage early in the design of new products, platforms, services, and integrations. Lead threat modelling, security architecture reviews, and technical risk assessments. Translate security risks into clear, practical engineering recommendations. Help teams adopt secure-by-design principles through reusable patterns, tooling, and documentation. Build, Automate, and Apply AI Design and implement security tooling, integrations, and automated controls. Embed security capabilities into infrastructure provisioning, engineering workflows, and CI/CD pipelines. Use AI-assisted tooling to improve scripting, detection development, alert analysis, vulnerability triage, threat modelling, and technical documentation. Validate AI-generated outputs and ensure AI tools are used with appropriate controls for confidentiality, accuracy, access, and human oversight. Improve Risk Reduction and Resilience Provide technical direction for vulnerability and exposure management across AWS and on-premises infrastructure. Identify recurring patterns across incidents, penetration tests, vulnerabilities, and control assessments. Act as a senior technical escalation point during significant security incidents. Ensure investigations and lessons learned result in durable architectural and engineering improvements. Provide Senior Technical Leadership Lead complex security initiatives spanning multiple teams and planning cycles. Mentor security engineers and provide guidance to engineers in adjacent teams. Raise the standard of security architecture, automation, documentation, and technical decision-making. Communicate security risks and recommendations clearly to technical teams, product leaders, and senior stakeholders. What you'll bring: Significant experience in security engineering, infrastructure security, cloud security, security architecture, or platform engineering. Deep, hands-on experience securing AWS environments. Strong knowledge of AWS identity and access management, network architecture, account governance, encryption, logging, monitoring, secrets management, and workload protection. Experience designing or securing on-premises, data-centre, or colocation-hosted infrastructure. Strong knowledge of enterprise networking, segmentation, firewalls, secure remote access, privileged administration, and hybrid connectivity. Experience with infrastructure-as-code, CI/CD security, containerised environments, and cloud-native platforms. Demonstrated experience designing and implementing automated security controls and engineering solutions. Proficiency with scripting or software development using Python, Go, or a comparable language. Practical experience using AI-assisted tooling to improve security engineering and operational workflows. Experience leading complex initiatives across multiple engineering, infrastructure, or product teams. Strong knowledge of security architecture, threat modelling, vulnerability management, detection, and incident response. The ability to operate independently, navigate ambiguity, and influence decisions across technical and leadership audiences. Desirable experience: An advanced AWS certification in security, architecture, networking, or cloud engineering. Experience in fintech, payments, SaaS, or another regulated technology environment. Experience securing large or complex AWS multi-account estates. Experience with Kubernetes, container security, software supply-chain security, and policy-as-code. Experience with technologies such as CNAPP, CSPM, SIEM, EDR, DLP, WAF, vulnerability-management, network-security, or secrets-management platforms. Familiarity with PCI DSS, SOC 2, GDPR, NIST, or ISO 27001. Experience supporting significant security incidents, penetration tests, audits, or customer security assessments 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: https://www.nmi.com/legal/privacy-policy/ #LI-Remote Salary range, depending on experience: $145,000—$165,000 USD