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Lead Engineer - Acc Core

Xero · US: San Mateo (1875 South Grant Street) · Remote

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About Xero

Xero online accounting software for your business connects you to your bank, accountant, bookkeeper, and other business apps. Start a free trial today. Backed by Accel.

About the role

Xero’s ledger is the source of truth for millions of businesses, and every product we ship is built on top of it. We are rebuilding this integrity layer for the next 20 years, and we are standing up the Vancouver engineering hub around it from day one. As Lead Engineer, you will make the architectural decisions that set the course for the platform and the team, and you will see those decisions reach every customer who depends on Xero to get their numbers right. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • You set the standard for your team in AI-assisted development, operational excellence, and flexible architecture
  • A track record delivering highly available, distributed backend systems and designing high-throughput services under production constraints
  • Depth in system architecture, API design, and both SQL and NoSQL databases
  • Proficiency in a modern backend stack such as C#, Java, Go, or C++, plus cloud-native platforms like AWS
  • You demonstrate strong ability in breaking down complex problems into clear, actionable solutions while driving agile execution to deliver results
More about this role

Team: Accounting Core

About the Role

Xero’s ledger is the source of truth for millions of businesses, and every product we ship is built on top of it. We are rebuilding this integrity layer for the next 20 years, and we are standing up the Vancouver engineering hub around it from day one. As Lead Engineer, you will make the architectural decisions that set the course for the platform and the team, and you will see those decisions reach every customer who depends on Xero to get their numbers right.

Correctness at scale. Accounting data has to be consistent, auditable, and immutable. There is no “close enough,” and every change to the ledger has to preserve that guarantee across regions and regulations.

Evolving a mature system. We are adding real-time expectations to a platform that millions of businesses depend on daily. That means strengthening service boundaries and clarifying data contracts without compromising reliability.

Durable, high-throughput services. We use durable execution (for example, Temporal) to keep long-running financial workflows accurate and recoverable under load.

AI-ready data. We are structuring accounting data so it can power AI-native experiences while...

Read the full posting on Xero's site ↗

Engineering

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