Xero is seeking a Staff Engineer to solve engineering problems at scale, refactor monoliths into distributed architectures, and influence platform design for millions of users. You will own major code design decisions, mentor others, and help set global engineering standards while collaborating with product, design, and operations. The role focuses on CI/CD maturation, TDD practices, and building a resilient stack with C#, .NET, React, AWS, and Kubernetes, in a hybrid California context.