Principal Backend Engineer, Payments Platform

Our Purpose

At Xero, we're here to help you supercharge your business. We do this by automating routine tasks, surfacing actionable insights and connecting businesses with the right data, advisors and apps. When that happens, we're not only making life better for small business, we'll be building a stronger economy that can change the world.

The Opportunity : Define the Future of Money Movement

Xero reimagined accounting software. Now, we're reimagining the flow of money itself. We're making a critical, multi-year investment in our Payments Platform organization —the engine that will power payments across all of Xero's ecosystem.

As a Principal Engineer on the Payments Platform, you'll shape the technical vision and architecture for how millions of small businesses move money globally. You will set the direction for building scalable, reliable, resilient, and performant systems, while remaining hands-on to elevate engineering quality across teams. This is a rare opportunity to combine strategic, multi-year technical leadership with practical, execution-focused impact on a platform central to Xero's future.

This role is based in San Mateo, CA, with hybrid as the preferred arrangement. We're also open to considering West Coast remote candidates.

What You'll Bring

• 12+ years of software engineering experience , including extensive experience designing and operating large-scale distributed systems in production.
• Proven track record as a Principal / Architect-level technical leader driving cross-org initiatives and influencing technical direction at scale.
• Deep expertise in building scalable, reliable, resilient, and performant systems , with firsthand experience in operational excellence (monitoring, on-call, incident response, observability).
• Strong proficiency in at least one modern backend stack (e.g., C#, Java, Golang, C++) and with cloud-native platforms (AWS strongly preferred)
• Advanced experience with both SQL and NoSQL databases , and designing data models at scale.
• Demonstrated ability to define multi-year technical strategy , and translate it into practical phases that deliver incremental business value.
• Domain expertise in payments / fintech or other highly regulated, compliance-heavy industries — required.
• Strong collaboration and communication skills, able to influence senior leaders, cross-functional stakeholders, and engineers across multiple teams.
• Mentorship and leadership at scale : proven ability to elevate engineering capability across teams , mentor Staff and Senior engineers, and set org-wide technical standards.
• Hands-on mindset : ability to stay close to the code, dive into technical deep-dives, and guide teams through complex architectural challenges.
• Ability to assess existing systems vs. new builds — recognizing when to leverage what exists, when to extend or evolve it, and when to design net-new systems. Skilled in planning pragmatic migrations, swaps, and transitions to minimize disruption while maximizing value.

What You'll Do

Why Join Xero's Payments Platform?

$224,000 - $302,000 a year

Why Xero?

Diversity of people brings diversity of thought, and we like that. Our human-first culture of respect, fairness, and inclusion is what helps Xeros thrive and work and beyond. Offering very generous paid leave to use however you'd like (plus statutory holidays!), dedicated paid leave to care for your physical and mental wellbeing as well as an Employee Assistance Program to access mental health care for you and your family, employee resource groups, wellbeing programming and allowances, medical, dental, vision, and disability insurance, fertility and family forming financial support, 401k contribution matching, 26 weeks of paid parental leave for primary caregivers, an Employee Share Plan, beautiful offices with snacks and break areas, flexible working, career development and many other benefits that reflect our human value, you'll do the best work of your life at Xero.

Research has shown that women and underrepresented groups are less likely to apply to jobs unless they meet every single competency or experience. If you are excited about this role, but your past experience doesn't align perfectly, we encourage you to apply anyway. You could be just the right person for this role and Xero. If you have any support or access requirements, we encourage you to advise us at time of application and throughout the interview process.

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